diff --git a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrVisitor.kt b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrVisitor.kt
index 9747a804c9b..fc87d1eb13b 100644
--- a/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrVisitor.kt
+++ b/compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrVisitor.kt
@@ -499,7 +499,7 @@ internal class Fir2IrVisitor(
             ) {
                 backingField = createBackingField(
                     property, IrDeclarationOrigin.PROPERTY_BACKING_FIELD, descriptor,
-                    property.visibility, property.name, property.isVal, initializer, type
+                    Visibilities.PRIVATE, property.name, property.isVal, initializer, type
                 )
             } else if (delegate != null) {
                 backingField = createBackingField(
diff --git a/compiler/testData/ir/irText/classes/annotationClasses.fir.txt b/compiler/testData/ir/irText/classes/annotationClasses.fir.txt
index 8bb28c89c49..bc52d873aca 100644
--- a/compiler/testData/ir/irText/classes/annotationClasses.fir.txt
+++ b/compiler/testData/ir/irText/classes/annotationClasses.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/annotationClasses.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.Int) returnType:<root>.Test1 [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.Int
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test1.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Int
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/annotationClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-x>' type=<root>.Test1 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -34,7 +34,7 @@ FILE fqName:<root> fileName:/annotationClasses.kt
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=0
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test2.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.Int
@@ -42,7 +42,7 @@ FILE fqName:<root> fileName:/annotationClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-x>' type=<root>.Test2 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -62,7 +62,7 @@ FILE fqName:<root> fileName:/annotationClasses.kt
     CONSTRUCTOR visibility:public <> (x:<root>.Test1) returnType:<root>.Test3 [primary]
       VALUE_PARAMETER name:x index:0 type:<root>.Test1
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:<root>.Test1 visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:<root>.Test1 visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: <root>.Test1 declared in <root>.Test3.<init>' type=<root>.Test1 origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:<root>.Test1
@@ -70,7 +70,7 @@ FILE fqName:<root> fileName:/annotationClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test3
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): <root>.Test1 declared in <root>.Test3'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:<root>.Test1 visibility:public [final]' type=<root>.Test1 origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:<root>.Test1 visibility:private [final]' type=<root>.Test1 origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-x>' type=<root>.Test3 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -90,7 +90,7 @@ FILE fqName:<root> fileName:/annotationClasses.kt
     CONSTRUCTOR visibility:public <> (xs:kotlin.IntArray) returnType:<root>.Test4 [primary]
       VALUE_PARAMETER name:xs index:0 type:kotlin.IntArray
     PROPERTY name:xs visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'xs: kotlin.IntArray declared in <root>.Test4.<init>' type=kotlin.IntArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-xs> visibility:public modality:FINAL <> ($this:<root>.Test4) returnType:kotlin.Int
@@ -98,7 +98,7 @@ FILE fqName:<root> fileName:/annotationClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test4
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-xs> (): kotlin.Int declared in <root>.Test4'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test4 declared in <root>.Test4.<get-xs>' type=<root>.Test4 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -113,3 +113,4 @@ FILE fqName:<root> fileName:/annotationClasses.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.fir.txt b/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.fir.txt
index baaac503d4d..32d862d87e5 100644
--- a/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.fir.txt
+++ b/compiler/testData/ir/irText/classes/argumentReorderingInDelegatingConstructorCall.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/argumentReorderingInDelegatingConstructorCall.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Base modality:OPEN visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Base.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Base) returnType:kotlin.Int
@@ -16,10 +16,10 @@ FILE fqName:<root> fileName:/argumentReorderingInDelegatingConstructorCall.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Base
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Base'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Base declared in <root>.Base.<get-x>' type=<root>.Base origin=null
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.Int declared in <root>.Base.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.Base) returnType:kotlin.Int
@@ -27,7 +27,7 @@ FILE fqName:<root> fileName:/argumentReorderingInDelegatingConstructorCall.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Base
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.Base'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Base declared in <root>.Base.<get-y>' type=<root>.Base origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -94,3 +94,4 @@ FILE fqName:<root> fileName:/argumentReorderingInDelegatingConstructorCall.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/classMembers.fir.txt b/compiler/testData/ir/irText/classes/classMembers.fir.txt
index 13866fffbaa..d825088d977 100644
--- a/compiler/testData/ir/irText/classes/classMembers.fir.txt
+++ b/compiler/testData/ir/irText/classes/classMembers.fir.txt
@@ -11,7 +11,7 @@ FILE fqName:<root> fileName:/classMembers.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.Int declared in <root>.C.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -19,10 +19,10 @@ FILE fqName:<root> fileName:/classMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-y>' type=<root>.C origin=null
     PROPERTY name:z visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'z: kotlin.Int declared in <root>.C.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-z> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -30,14 +30,14 @@ FILE fqName:<root> fileName:/classMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-z> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-z>' type=<root>.C origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-z> visibility:public modality:FINAL <> ($this:<root>.C, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:z visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<set-z>' type=<root>.C origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.C.<set-z>' type=kotlin.Int origin=null
     CONSTRUCTOR visibility:public <> () returnType:<root>.C
@@ -47,7 +47,7 @@ FILE fqName:<root> fileName:/classMembers.kt
           y: CONST Int type=kotlin.Int value=0
           z: CONST Int type=kotlin.Int value=0
     PROPERTY name:property visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:property type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:property type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=0
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-property> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -55,7 +55,7 @@ FILE fqName:<root> fileName:/classMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-property> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:property type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:property type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-property>' type=<root>.C origin=null
     PROPERTY name:propertyWithGet visibility:public modality:FINAL [val]
       FUN name:<get-propertyWithGet> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -173,3 +173,4 @@ FILE fqName:<root> fileName:/classMembers.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/classes.fir.txt b/compiler/testData/ir/irText/classes/classes.fir.txt
index 7c68ba5526e..538b048fc29 100644
--- a/compiler/testData/ir/irText/classes/classes.fir.txt
+++ b/compiler/testData/ir/irText/classes/classes.fir.txt
@@ -97,3 +97,4 @@ FILE fqName:<root> fileName:/classes.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Enum
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum
+
diff --git a/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.txt b/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.txt
index c1efbb73984..11187f6d5e1 100644
--- a/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.txt
+++ b/compiler/testData/ir/irText/classes/dataClassWithArrayMembers.fir.txt
@@ -15,7 +15,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test1 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:stringArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:stringArray type:kotlin.Array<kotlin.String> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:stringArray type:kotlin.Array<kotlin.String> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'stringArray: kotlin.Array<kotlin.String> declared in <root>.Test1.<init>' type=kotlin.Array<kotlin.String> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-stringArray> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Array<kotlin.String>
@@ -23,10 +23,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-stringArray> (): kotlin.Array<kotlin.String> declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:stringArray type:kotlin.Array<kotlin.String> visibility:public [final]' type=kotlin.Array<kotlin.String> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:stringArray type:kotlin.Array<kotlin.String> visibility:private [final]' type=kotlin.Array<kotlin.String> origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-stringArray>' type=<root>.Test1 origin=null
     PROPERTY name:charArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:charArray type:kotlin.CharArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:charArray type:kotlin.CharArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'charArray: kotlin.CharArray declared in <root>.Test1.<init>' type=kotlin.CharArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-charArray> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.CharArray
@@ -34,10 +34,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-charArray> (): kotlin.CharArray declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:charArray type:kotlin.CharArray visibility:public [final]' type=kotlin.CharArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:charArray type:kotlin.CharArray visibility:private [final]' type=kotlin.CharArray origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-charArray>' type=<root>.Test1 origin=null
     PROPERTY name:booleanArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:booleanArray type:kotlin.BooleanArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:booleanArray type:kotlin.BooleanArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'booleanArray: kotlin.BooleanArray declared in <root>.Test1.<init>' type=kotlin.BooleanArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-booleanArray> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.BooleanArray
@@ -45,10 +45,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-booleanArray> (): kotlin.BooleanArray declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:booleanArray type:kotlin.BooleanArray visibility:public [final]' type=kotlin.BooleanArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:booleanArray type:kotlin.BooleanArray visibility:private [final]' type=kotlin.BooleanArray origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-booleanArray>' type=<root>.Test1 origin=null
     PROPERTY name:byteArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:byteArray type:kotlin.ByteArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:byteArray type:kotlin.ByteArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'byteArray: kotlin.ByteArray declared in <root>.Test1.<init>' type=kotlin.ByteArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-byteArray> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.ByteArray
@@ -56,10 +56,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-byteArray> (): kotlin.ByteArray declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:byteArray type:kotlin.ByteArray visibility:public [final]' type=kotlin.ByteArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:byteArray type:kotlin.ByteArray visibility:private [final]' type=kotlin.ByteArray origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-byteArray>' type=<root>.Test1 origin=null
     PROPERTY name:shortArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:shortArray type:kotlin.ShortArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:shortArray type:kotlin.ShortArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'shortArray: kotlin.ShortArray declared in <root>.Test1.<init>' type=kotlin.ShortArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-shortArray> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.ShortArray
@@ -67,10 +67,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-shortArray> (): kotlin.ShortArray declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:shortArray type:kotlin.ShortArray visibility:public [final]' type=kotlin.ShortArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:shortArray type:kotlin.ShortArray visibility:private [final]' type=kotlin.ShortArray origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-shortArray>' type=<root>.Test1 origin=null
     PROPERTY name:intArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:intArray type:kotlin.IntArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:intArray type:kotlin.IntArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'intArray: kotlin.IntArray declared in <root>.Test1.<init>' type=kotlin.IntArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-intArray> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.IntArray
@@ -78,10 +78,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-intArray> (): kotlin.IntArray declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:intArray type:kotlin.IntArray visibility:public [final]' type=kotlin.IntArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:intArray type:kotlin.IntArray visibility:private [final]' type=kotlin.IntArray origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-intArray>' type=<root>.Test1 origin=null
     PROPERTY name:longArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:longArray type:kotlin.LongArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:longArray type:kotlin.LongArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'longArray: kotlin.LongArray declared in <root>.Test1.<init>' type=kotlin.LongArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-longArray> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.LongArray
@@ -89,10 +89,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-longArray> (): kotlin.LongArray declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:longArray type:kotlin.LongArray visibility:public [final]' type=kotlin.LongArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:longArray type:kotlin.LongArray visibility:private [final]' type=kotlin.LongArray origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-longArray>' type=<root>.Test1 origin=null
     PROPERTY name:floatArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:floatArray type:kotlin.FloatArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:floatArray type:kotlin.FloatArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'floatArray: kotlin.FloatArray declared in <root>.Test1.<init>' type=kotlin.FloatArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-floatArray> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.FloatArray
@@ -100,10 +100,10 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-floatArray> (): kotlin.FloatArray declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:floatArray type:kotlin.FloatArray visibility:public [final]' type=kotlin.FloatArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:floatArray type:kotlin.FloatArray visibility:private [final]' type=kotlin.FloatArray origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-floatArray>' type=<root>.Test1 origin=null
     PROPERTY name:doubleArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:doubleArray type:kotlin.DoubleArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:doubleArray type:kotlin.DoubleArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'doubleArray: kotlin.DoubleArray declared in <root>.Test1.<init>' type=kotlin.DoubleArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-doubleArray> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.DoubleArray
@@ -111,7 +111,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-doubleArray> (): kotlin.DoubleArray declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:doubleArray type:kotlin.DoubleArray visibility:public [final]' type=kotlin.DoubleArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:doubleArray type:kotlin.DoubleArray visibility:private [final]' type=kotlin.DoubleArray origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-doubleArray>' type=<root>.Test1 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Array<kotlin.String>
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
@@ -228,7 +228,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test2 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:genericArray visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:genericArray type:kotlin.Array<T of <root>.Test2> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:genericArray type:kotlin.Array<T of <root>.Test2> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'genericArray: kotlin.Array<T of <uninitialized parent>> declared in <root>.Test2.<init>' type=kotlin.Array<T of <uninitialized parent>> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-genericArray> visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.Array<T of <root>.Test2>
@@ -236,7 +236,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-genericArray> (): kotlin.Array<T of <root>.Test2> declared in <root>.Test2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:genericArray type:kotlin.Array<T of <root>.Test2> visibility:public [final]' type=kotlin.Array<T of <root>.Test2> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:genericArray type:kotlin.Array<T of <root>.Test2> visibility:private [final]' type=kotlin.Array<T of <root>.Test2> origin=null
               receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-genericArray>' type=<root>.Test2 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.Array<T of <root>.Test2>
       $this: VALUE_PARAMETER name:<this> type:<root>.Test2
@@ -272,7 +272,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test3 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:anyArrayN visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:anyArrayN type:kotlin.Array<kotlin.Any>? visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:anyArrayN type:kotlin.Array<kotlin.Any>? visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'anyArrayN: kotlin.Array<kotlin.Any>? declared in <root>.Test3.<init>' type=kotlin.Array<kotlin.Any>? origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-anyArrayN> visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Array<kotlin.Any>?
@@ -280,7 +280,7 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test3
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-anyArrayN> (): kotlin.Array<kotlin.Any>? declared in <root>.Test3'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anyArrayN type:kotlin.Array<kotlin.Any>? visibility:public [final]' type=kotlin.Array<kotlin.Any>? origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anyArrayN type:kotlin.Array<kotlin.Any>? visibility:private [final]' type=kotlin.Array<kotlin.Any>? origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-anyArrayN>' type=<root>.Test3 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Array<kotlin.Any>?
       $this: VALUE_PARAMETER name:<this> type:<root>.Test3
@@ -308,3 +308,4 @@ FILE fqName:<root> fileName:/dataClassWithArrayMembers.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/dataClasses.fir.txt b/compiler/testData/ir/irText/classes/dataClasses.fir.txt
index c6d057591e8..bcda136293e 100644
--- a/compiler/testData/ir/irText/classes/dataClasses.fir.txt
+++ b/compiler/testData/ir/irText/classes/dataClasses.fir.txt
@@ -9,7 +9,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test1 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test1.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Int
@@ -17,10 +17,10 @@ FILE fqName:<root> fileName:/dataClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-x>' type=<root>.Test1 origin=null
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.String declared in <root>.Test1.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.String
@@ -28,10 +28,10 @@ FILE fqName:<root> fileName:/dataClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.String declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-y>' type=<root>.Test1 origin=null
     PROPERTY name:z visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Any visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Any visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'z: kotlin.Any declared in <root>.Test1.<init>' type=kotlin.Any origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-z> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Any
@@ -39,7 +39,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-z> (): kotlin.Any declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Any visibility:public [final]' type=kotlin.Any origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-z>' type=<root>.Test1 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Int
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
@@ -95,7 +95,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test2 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any? visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any? visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Any? declared in <root>.Test2.<init>' type=kotlin.Any? origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.Any?
@@ -103,7 +103,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Any? declared in <root>.Test2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any? visibility:public [final]' type=kotlin.Any? origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any? visibility:private [final]' type=kotlin.Any? origin=null
               receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-x>' type=<root>.Test2 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.Any?
       $this: VALUE_PARAMETER name:<this> type:<root>.Test2
@@ -142,7 +142,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test3 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:d visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:d type:kotlin.Double visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:d type:kotlin.Double visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'd: kotlin.Double declared in <root>.Test3.<init>' type=kotlin.Double origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-d> visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Double
@@ -150,10 +150,10 @@ FILE fqName:<root> fileName:/dataClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test3
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-d> (): kotlin.Double declared in <root>.Test3'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:d type:kotlin.Double visibility:public [final]' type=kotlin.Double origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:d type:kotlin.Double visibility:private [final]' type=kotlin.Double origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-d>' type=<root>.Test3 origin=null
     PROPERTY name:dn visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:dn type:kotlin.Double? visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:dn type:kotlin.Double? visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'dn: kotlin.Double? declared in <root>.Test3.<init>' type=kotlin.Double? origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-dn> visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Double?
@@ -161,10 +161,10 @@ FILE fqName:<root> fileName:/dataClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test3
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-dn> (): kotlin.Double? declared in <root>.Test3'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:dn type:kotlin.Double? visibility:public [final]' type=kotlin.Double? origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:dn type:kotlin.Double? visibility:private [final]' type=kotlin.Double? origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-dn>' type=<root>.Test3 origin=null
     PROPERTY name:f visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:f type:kotlin.Float visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:f type:kotlin.Float visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'f: kotlin.Float declared in <root>.Test3.<init>' type=kotlin.Float origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-f> visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Float
@@ -172,10 +172,10 @@ FILE fqName:<root> fileName:/dataClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test3
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-f> (): kotlin.Float declared in <root>.Test3'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:f type:kotlin.Float visibility:public [final]' type=kotlin.Float origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:f type:kotlin.Float visibility:private [final]' type=kotlin.Float origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-f>' type=<root>.Test3 origin=null
     PROPERTY name:df visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:df type:kotlin.Float? visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:df type:kotlin.Float? visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'df: kotlin.Float? declared in <root>.Test3.<init>' type=kotlin.Float? origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-df> visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Float?
@@ -183,7 +183,7 @@ FILE fqName:<root> fileName:/dataClasses.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test3
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-df> (): kotlin.Float? declared in <root>.Test3'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:df type:kotlin.Float? visibility:public [final]' type=kotlin.Float? origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:df type:kotlin.Float? visibility:private [final]' type=kotlin.Float? origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-df>' type=<root>.Test3 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Double
       $this: VALUE_PARAMETER name:<this> type:<root>.Test3
@@ -241,3 +241,4 @@ FILE fqName:<root> fileName:/dataClasses.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.txt b/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.txt
index d7dfd83f161..54f475d5874 100644
--- a/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.txt
+++ b/compiler/testData/ir/irText/classes/dataClassesGeneric.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test1 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test1 visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test1 visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: T of <uninitialized parent> declared in <root>.Test1.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:T of <root>.Test1
@@ -16,7 +16,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): T of <root>.Test1 declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test1 visibility:public [final]' type=T of <root>.Test1 origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test1 visibility:private [final]' type=T of <root>.Test1 origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-x>' type=<root>.Test1 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:T of <root>.Test1
       $this: VALUE_PARAMETER name:<this> type:<root>.Test1
@@ -53,7 +53,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test2 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test2 visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test2 visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: T of <uninitialized parent> declared in <root>.Test2.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:T of <root>.Test2
@@ -61,7 +61,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): T of <root>.Test2 declared in <root>.Test2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test2 visibility:public [final]' type=T of <root>.Test2 origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test2 visibility:private [final]' type=T of <root>.Test2 origin=null
               receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-x>' type=<root>.Test2 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:T of <root>.Test2
       $this: VALUE_PARAMETER name:<this> type:<root>.Test2
@@ -98,7 +98,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test3 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<T of <root>.Test3> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<T of <root>.Test3> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.collections.List<T of <uninitialized parent>> declared in <root>.Test3.<init>' type=kotlin.collections.List<T of <uninitialized parent>> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.collections.List<T of <root>.Test3>
@@ -106,7 +106,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test3
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.collections.List<T of <root>.Test3> declared in <root>.Test3'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<T of <root>.Test3> visibility:public [final]' type=kotlin.collections.List<T of <root>.Test3> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<T of <root>.Test3> visibility:private [final]' type=kotlin.collections.List<T of <root>.Test3> origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-x>' type=<root>.Test3 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.collections.List<T of <root>.Test3>
       $this: VALUE_PARAMETER name:<this> type:<root>.Test3
@@ -142,7 +142,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test4 modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<kotlin.String> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<kotlin.String> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.collections.List<kotlin.String> declared in <root>.Test4.<init>' type=kotlin.collections.List<kotlin.String> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test4) returnType:kotlin.collections.List<kotlin.String>
@@ -150,7 +150,7 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test4
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.collections.List<kotlin.String> declared in <root>.Test4'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<kotlin.String> visibility:public [final]' type=kotlin.collections.List<kotlin.String> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.collections.List<kotlin.String> visibility:private [final]' type=kotlin.collections.List<kotlin.String> origin=null
               receiver: GET_VAR '<this>: <root>.Test4 declared in <root>.Test4.<get-x>' type=<root>.Test4 origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test4) returnType:kotlin.collections.List<kotlin.String>
       $this: VALUE_PARAMETER name:<this> type:<root>.Test4
@@ -178,3 +178,4 @@ FILE fqName:<root> fileName:/dataClassesGeneric.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt b/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt
index 047199e9e72..8b15b1c5919 100644
--- a/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt
+++ b/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt
@@ -108,7 +108,7 @@ FILE fqName:<root> fileName:/delegatedImplementation.kt
                 DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
                 INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IOther]'
             PROPERTY name:x visibility:public modality:FINAL [val]
-              FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+              FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
                 EXPRESSION_BODY
                   GET_VAR 'x0: kotlin.String declared in <root>.otherImpl' type=kotlin.String origin=null
               FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.otherImpl.<no name provided>) returnType:kotlin.String
@@ -116,10 +116,10 @@ FILE fqName:<root> fileName:/delegatedImplementation.kt
                 $this: VALUE_PARAMETER name:<this> type:<root>.otherImpl.<no name provided>
                 BLOCK_BODY
                   RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.otherImpl.<no name provided>'
-                    GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+                    GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
                       receiver: GET_VAR '<this>: <root>.otherImpl.<no name provided> declared in <root>.otherImpl.<no name provided>.<get-x>' type=<root>.otherImpl.<no name provided> origin=null
             PROPERTY name:y visibility:public modality:FINAL [var]
-              FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public
+              FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private
                 EXPRESSION_BODY
                   GET_VAR 'y0: kotlin.Int declared in <root>.otherImpl' type=kotlin.Int origin=null
               FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.otherImpl.<no name provided>) returnType:kotlin.Int
@@ -127,14 +127,14 @@ FILE fqName:<root> fileName:/delegatedImplementation.kt
                 $this: VALUE_PARAMETER name:<this> type:<root>.otherImpl.<no name provided>
                 BLOCK_BODY
                   RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.otherImpl.<no name provided>'
-                    GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+                    GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private' type=kotlin.Int origin=null
                       receiver: GET_VAR '<this>: <root>.otherImpl.<no name provided> declared in <root>.otherImpl.<no name provided>.<get-y>' type=<root>.otherImpl.<no name provided> origin=null
               FUN DEFAULT_PROPERTY_ACCESSOR name:<set-y> visibility:public modality:FINAL <> ($this:<root>.otherImpl.<no name provided>, <set-?>:kotlin.Int) returnType:kotlin.Unit
                 correspondingProperty: PROPERTY name:y visibility:public modality:FINAL [var]
                 $this: VALUE_PARAMETER name:<this> type:<root>.otherImpl.<no name provided>
                 VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
                 BLOCK_BODY
-                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                     receiver: GET_VAR '<this>: <root>.otherImpl.<no name provided> declared in <root>.otherImpl.<no name provided>.<set-y>' type=<root>.otherImpl.<no name provided> origin=null
                     value: GET_VAR '<set-?>: kotlin.Int declared in <root>.otherImpl.<no name provided>.<set-y>' type=kotlin.Int origin=null
             PROPERTY name:z1 visibility:public modality:FINAL [val]
@@ -225,3 +225,4 @@ FILE fqName:<root> fileName:/delegatedImplementation.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.fir.txt b/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.fir.txt
index aa68c390f33..b2db4fe1bf7 100644
--- a/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.fir.txt
+++ b/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.fir.txt
@@ -69,3 +69,4 @@ FILE fqName:<root> fileName:/delegatedImplementationWithExplicitOverride.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.fir.txt b/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.fir.txt
index 5c236d2928c..2773bbe92db 100644
--- a/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.fir.txt
+++ b/compiler/testData/ir/irText/classes/delegatingConstructorCallToTypeAliasConstructor.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/delegatingConstructorCallToTypeAliasConstructor.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Cell modality:OPEN visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: T of <uninitialized parent> declared in <root>.Cell.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.Cell) returnType:T of <root>.Cell
@@ -16,7 +16,7 @@ FILE fqName:<root> fileName:/delegatingConstructorCallToTypeAliasConstructor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Cell
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): T of <root>.Cell declared in <root>.Cell'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:public [final]' type=T of <root>.Cell origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:private [final]' type=T of <root>.Cell origin=null
               receiver: GET_VAR '<this>: <root>.Cell declared in <root>.Cell.<get-value>' type=<root>.Cell origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -73,3 +73,4 @@ FILE fqName:<root> fileName:/delegatingConstructorCallToTypeAliasConstructor.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.fir.txt b/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.fir.txt
index 70f3c932fe1..3299bdc18d8 100644
--- a/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.fir.txt
+++ b/compiler/testData/ir/irText/classes/delegatingConstructorCallsInSecondaryConstructors.fir.txt
@@ -46,3 +46,4 @@ FILE fqName:<root> fileName:/delegatingConstructorCallsInSecondaryConstructors.k
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/enum.fir.txt b/compiler/testData/ir/irText/classes/enum.fir.txt
index c83b225d676..60a8df5eac0 100644
--- a/compiler/testData/ir/irText/classes/enum.fir.txt
+++ b/compiler/testData/ir/irText/classes/enum.fir.txt
@@ -75,7 +75,7 @@ FILE fqName:<root> fileName:/enum.kt
           <E>: <none>
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:TestEnum2 modality:FINAL visibility:public superTypes:[kotlin.Enum]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.TestEnum2.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestEnum2) returnType:kotlin.Int
@@ -83,7 +83,7 @@ FILE fqName:<root> fileName:/enum.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestEnum2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestEnum2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestEnum2 declared in <root>.TestEnum2.<get-x>' type=<root>.TestEnum2 origin=null
     CLASS ENUM_ENTRY name:TEST1 modality:FINAL visibility:public superTypes:[<root>.TestEnum2]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestEnum2.TEST1
@@ -258,7 +258,7 @@ FILE fqName:<root> fileName:/enum.kt
           <E>: <none>
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:TestEnum4 modality:FINAL visibility:public superTypes:[kotlin.Enum]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.TestEnum4.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestEnum4) returnType:kotlin.Int
@@ -266,7 +266,7 @@ FILE fqName:<root> fileName:/enum.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestEnum4
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestEnum4'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestEnum4 declared in <root>.TestEnum4.<get-x>' type=<root>.TestEnum4 origin=null
     CLASS ENUM_ENTRY name:TEST1 modality:FINAL visibility:public superTypes:[<root>.TestEnum4]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestEnum4.TEST1
@@ -310,17 +310,17 @@ FILE fqName:<root> fileName:/enum.kt
             x: CONST Int type=kotlin.Int value=2
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_ENTRY name:TEST2 modality:FINAL visibility:public superTypes:[<root>.TestEnum4]'
       PROPERTY name:z visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:private [final]
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-z> visibility:public modality:FINAL <> ($this:<root>.TestEnum4.TEST2) returnType:kotlin.Int
           correspondingProperty: PROPERTY name:z visibility:public modality:FINAL [val]
           $this: VALUE_PARAMETER name:<this> type:<root>.TestEnum4.TEST2
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-z> (): kotlin.Int declared in <root>.TestEnum4.TEST2'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
                 receiver: GET_VAR '<this>: <root>.TestEnum4.TEST2 declared in <root>.TestEnum4.TEST2.<get-z>' type=<root>.TestEnum4.TEST2 origin=null
       ANONYMOUS_INITIALIZER isStatic=false
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:public [final]' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:kotlin.Int visibility:private [final]' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.TestEnum4.TEST2 declared in <root>.TestEnum4.TEST2' type=<root>.TestEnum4.TEST2 origin=null
             value: CALL 'public final fun <get-x> (): kotlin.Int declared in <root>.TestEnum4' type=kotlin.Int origin=null
               $this: GET_VAR '<this>: <root>.TestEnum4 declared in <root>.TestEnum4' type=<root>.TestEnum4 origin=null
@@ -386,7 +386,7 @@ FILE fqName:<root> fileName:/enum.kt
           <E>: <none>
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:TestEnum5 modality:FINAL visibility:public superTypes:[kotlin.Enum]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.TestEnum5.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestEnum5) returnType:kotlin.Int
@@ -394,7 +394,7 @@ FILE fqName:<root> fileName:/enum.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestEnum5
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestEnum5'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestEnum5 declared in <root>.TestEnum5.<get-x>' type=<root>.TestEnum5 origin=null
     CLASS ENUM_ENTRY name:TEST1 modality:FINAL visibility:public superTypes:[kotlin.Any]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestEnum5.TEST1
@@ -494,3 +494,4 @@ FILE fqName:<root> fileName:/enum.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Enum
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum
+
diff --git a/compiler/testData/ir/irText/classes/enumClassModality.fir.txt b/compiler/testData/ir/irText/classes/enumClassModality.fir.txt
index 1a5fe4b0236..244ac4be490 100644
--- a/compiler/testData/ir/irText/classes/enumClassModality.fir.txt
+++ b/compiler/testData/ir/irText/classes/enumClassModality.fir.txt
@@ -56,7 +56,7 @@ FILE fqName:<root> fileName:/enumClassModality.kt
           <E>: <none>
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:TestFinalEnum2 modality:FINAL visibility:public superTypes:[kotlin.Enum]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.TestFinalEnum2.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestFinalEnum2) returnType:kotlin.Int
@@ -64,7 +64,7 @@ FILE fqName:<root> fileName:/enumClassModality.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestFinalEnum2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestFinalEnum2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestFinalEnum2 declared in <root>.TestFinalEnum2.<get-x>' type=<root>.TestFinalEnum2 origin=null
     CLASS ENUM_ENTRY name:X1 modality:FINAL visibility:public superTypes:[<root>.TestFinalEnum2]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestFinalEnum2.X1
@@ -387,3 +387,4 @@ FILE fqName:<root> fileName:/enumClassModality.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.fir.txt b/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.fir.txt
index b39f262536c..3a680cb16a9 100644
--- a/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.fir.txt
+++ b/compiler/testData/ir/irText/classes/enumWithSecondaryCtor.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
           <E>: <none>
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:Test0 modality:FINAL visibility:public superTypes:[kotlin.Enum]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test0.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test0) returnType:kotlin.Int
@@ -16,7 +16,7 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test0
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test0'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test0 declared in <root>.Test0.<get-x>' type=<root>.Test0 origin=null
     CLASS ENUM_ENTRY name:ZERO modality:FINAL visibility:public superTypes:[kotlin.Any]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Test0.ZERO
@@ -72,7 +72,7 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
           <E>: <none>
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:Test1 modality:FINAL visibility:public superTypes:[kotlin.Enum]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test1.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Int
@@ -80,7 +80,7 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-x>' type=<root>.Test1 origin=null
     CLASS ENUM_ENTRY name:ZERO modality:FINAL visibility:public superTypes:[kotlin.Any]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Test1.ZERO
@@ -165,7 +165,7 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
           <E>: <none>
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:Test2 modality:FINAL visibility:public superTypes:[kotlin.Enum]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test2.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.Int
@@ -173,7 +173,7 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-x>' type=<root>.Test2 origin=null
     CLASS ENUM_ENTRY name:ZERO modality:FINAL visibility:public superTypes:[kotlin.Any]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Test2.ZERO
@@ -261,3 +261,4 @@ FILE fqName:<root> fileName:/enumWithSecondaryCtor.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Enum
       $this: VALUE_PARAMETER name:<this> type:kotlin.Enum
+
diff --git a/compiler/testData/ir/irText/classes/initBlock.fir.txt b/compiler/testData/ir/irText/classes/initBlock.fir.txt
index d19ba40abf8..270495c308a 100644
--- a/compiler/testData/ir/irText/classes/initBlock.fir.txt
+++ b/compiler/testData/ir/irText/classes/initBlock.fir.txt
@@ -29,7 +29,7 @@ FILE fqName:<root> fileName:/initBlock.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test2 modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test2.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.Int
@@ -37,7 +37,7 @@ FILE fqName:<root> fileName:/initBlock.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-x>' type=<root>.Test2 origin=null
     ANONYMOUS_INITIALIZER isStatic=false
       BLOCK_BODY
@@ -150,3 +150,4 @@ FILE fqName:<root> fileName:/initBlock.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/initVar.fir.txt b/compiler/testData/ir/irText/classes/initVar.fir.txt
index 01fe14e5b02..feb1873f76f 100644
--- a/compiler/testData/ir/irText/classes/initVar.fir.txt
+++ b/compiler/testData/ir/irText/classes/initVar.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/initVar.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestInitVarFromParameter modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.TestInitVarFromParameter.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarFromParameter) returnType:kotlin.Int
@@ -15,14 +15,14 @@ FILE fqName:<root> fileName:/initVar.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarFromParameter
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitVarFromParameter'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestInitVarFromParameter declared in <root>.TestInitVarFromParameter.<get-x>' type=<root>.TestInitVarFromParameter origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarFromParameter, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarFromParameter
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.TestInitVarFromParameter declared in <root>.TestInitVarFromParameter.<set-x>' type=<root>.TestInitVarFromParameter origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.TestInitVarFromParameter.<set-x>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -45,7 +45,7 @@ FILE fqName:<root> fileName:/initVar.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestInitVarInClass modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=0
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarInClass) returnType:kotlin.Int
@@ -53,14 +53,14 @@ FILE fqName:<root> fileName:/initVar.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarInClass
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitVarInClass'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestInitVarInClass declared in <root>.TestInitVarInClass.<get-x>' type=<root>.TestInitVarInClass origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarInClass, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarInClass
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.TestInitVarInClass declared in <root>.TestInitVarInClass.<set-x>' type=<root>.TestInitVarInClass origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.TestInitVarInClass.<set-x>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -83,25 +83,25 @@ FILE fqName:<root> fileName:/initVar.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestInitVarInInitBlock modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarInInitBlock) returnType:kotlin.Int
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarInInitBlock
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitVarInInitBlock'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestInitVarInInitBlock declared in <root>.TestInitVarInInitBlock.<get-x>' type=<root>.TestInitVarInInitBlock origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarInInitBlock, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarInInitBlock
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.TestInitVarInInitBlock declared in <root>.TestInitVarInInitBlock.<set-x>' type=<root>.TestInitVarInInitBlock origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.TestInitVarInInitBlock.<set-x>' type=kotlin.Int origin=null
     ANONYMOUS_INITIALIZER isStatic=false
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
           receiver: GET_VAR '<this>: <root>.TestInitVarInInitBlock declared in <root>.TestInitVarInInitBlock' type=<root>.TestInitVarInInitBlock origin=null
           value: CONST Int type=kotlin.Int value=0
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -124,7 +124,7 @@ FILE fqName:<root> fileName:/initVar.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestInitVarWithCustomSetter modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=0
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarWithCustomSetter) returnType:kotlin.Int
@@ -132,14 +132,14 @@ FILE fqName:<root> fileName:/initVar.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarWithCustomSetter
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitVarWithCustomSetter'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestInitVarWithCustomSetter declared in <root>.TestInitVarWithCustomSetter.<get-x>' type=<root>.TestInitVarWithCustomSetter origin=null
       FUN name:<set-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarWithCustomSetter, value:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarWithCustomSetter
         VALUE_PARAMETER name:value index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.TestInitVarWithCustomSetter declared in <root>.TestInitVarWithCustomSetter' type=<root>.TestInitVarWithCustomSetter origin=null
             value: GET_VAR 'value: kotlin.Int declared in <root>.TestInitVarWithCustomSetter.<set-x>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -158,25 +158,25 @@ FILE fqName:<root> fileName:/initVar.kt
   CLASS CLASS name:TestInitVarWithCustomSetterWithExplicitCtor modality:FINAL visibility:public superTypes:[kotlin.Any]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestInitVarWithCustomSetterWithExplicitCtor
     PROPERTY name:x visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarWithCustomSetterWithExplicitCtor) returnType:kotlin.Int
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarWithCustomSetterWithExplicitCtor
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitVarWithCustomSetterWithExplicitCtor'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestInitVarWithCustomSetterWithExplicitCtor declared in <root>.TestInitVarWithCustomSetterWithExplicitCtor.<get-x>' type=<root>.TestInitVarWithCustomSetterWithExplicitCtor origin=null
       FUN name:<set-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarWithCustomSetterWithExplicitCtor, value:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarWithCustomSetterWithExplicitCtor
         VALUE_PARAMETER name:value index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.TestInitVarWithCustomSetterWithExplicitCtor declared in <root>.TestInitVarWithCustomSetterWithExplicitCtor' type=<root>.TestInitVarWithCustomSetterWithExplicitCtor origin=null
             value: GET_VAR 'value: kotlin.Int declared in <root>.TestInitVarWithCustomSetterWithExplicitCtor.<set-x>' type=kotlin.Int origin=null
     ANONYMOUS_INITIALIZER isStatic=false
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
           receiver: GET_VAR '<this>: <root>.TestInitVarWithCustomSetterWithExplicitCtor declared in <root>.TestInitVarWithCustomSetterWithExplicitCtor' type=<root>.TestInitVarWithCustomSetterWithExplicitCtor origin=null
           value: CONST Int type=kotlin.Int value=0
     CONSTRUCTOR visibility:public <> () returnType:<root>.TestInitVarWithCustomSetterWithExplicitCtor
@@ -199,25 +199,25 @@ FILE fqName:<root> fileName:/initVar.kt
   CLASS CLASS name:TestInitVarWithCustomSetterInCtor modality:FINAL visibility:public superTypes:[kotlin.Any]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestInitVarWithCustomSetterInCtor
     PROPERTY name:x visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarWithCustomSetterInCtor) returnType:kotlin.Int
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarWithCustomSetterInCtor
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitVarWithCustomSetterInCtor'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestInitVarWithCustomSetterInCtor declared in <root>.TestInitVarWithCustomSetterInCtor.<get-x>' type=<root>.TestInitVarWithCustomSetterInCtor origin=null
       FUN name:<set-x> visibility:public modality:FINAL <> ($this:<root>.TestInitVarWithCustomSetterInCtor, value:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitVarWithCustomSetterInCtor
         VALUE_PARAMETER name:value index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.TestInitVarWithCustomSetterInCtor declared in <root>.TestInitVarWithCustomSetterInCtor' type=<root>.TestInitVarWithCustomSetterInCtor origin=null
             value: GET_VAR 'value: kotlin.Int declared in <root>.TestInitVarWithCustomSetterInCtor.<set-x>' type=kotlin.Int origin=null
     CONSTRUCTOR visibility:public <> () returnType:<root>.TestInitVarWithCustomSetterInCtor
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
           receiver: GET_VAR '<this>: <root>.TestInitVarWithCustomSetterInCtor declared in <root>.TestInitVarWithCustomSetterInCtor' type=<root>.TestInitVarWithCustomSetterInCtor origin=null
           value: CONST Int type=kotlin.Int value=42
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
@@ -235,3 +235,4 @@ FILE fqName:<root> fileName:/initVar.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/inlineClass.fir.txt b/compiler/testData/ir/irText/classes/inlineClass.fir.txt
index 2fab84cc6da..380c71af01b 100644
--- a/compiler/testData/ir/irText/classes/inlineClass.fir.txt
+++ b/compiler/testData/ir/irText/classes/inlineClass.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/inlineClass.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test modality:FINAL visibility:public [inline] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test) returnType:kotlin.Int
@@ -15,7 +15,7 @@ FILE fqName:<root> fileName:/inlineClass.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.<get-x>' type=<root>.Test origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -30,3 +30,4 @@ FILE fqName:<root> fileName:/inlineClass.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/innerClass.fir.txt b/compiler/testData/ir/irText/classes/innerClass.fir.txt
index 118ed38cfec..bbd04992775 100644
--- a/compiler/testData/ir/irText/classes/innerClass.fir.txt
+++ b/compiler/testData/ir/irText/classes/innerClass.fir.txt
@@ -56,3 +56,4 @@ FILE fqName:<root> fileName:/innerClass.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.fir.txt b/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.fir.txt
index 1fc83e0446a..5ee77aa2006 100644
--- a/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.fir.txt
+++ b/compiler/testData/ir/irText/classes/innerClassWithDelegatingConstructor.fir.txt
@@ -13,7 +13,7 @@ FILE fqName:<root> fileName:/innerClassWithDelegatingConstructor.kt
           DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Inner modality:FINAL visibility:public [inner] superTypes:[kotlin.Any]'
       PROPERTY name:x visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
           EXPRESSION_BODY
             GET_VAR 'x: kotlin.Int declared in <root>.Outer.Inner.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Outer.Inner) returnType:kotlin.Int
@@ -21,7 +21,7 @@ FILE fqName:<root> fileName:/innerClassWithDelegatingConstructor.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Outer.Inner
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Outer.Inner'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
                 receiver: GET_VAR '<this>: <root>.Outer.Inner declared in <root>.Outer.Inner.<get-x>' type=<root>.Outer.Inner origin=null
       CONSTRUCTOR visibility:public <> () returnType:<root>.Outer.Inner
         BLOCK_BODY
@@ -53,3 +53,4 @@ FILE fqName:<root> fileName:/innerClassWithDelegatingConstructor.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt
index bb07a4c258b..463b898f73b 100644
--- a/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt
+++ b/compiler/testData/ir/irText/classes/lambdaInDataClassDefaultParameter.fir.txt
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:A modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:runA visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:runA type:kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:runA type:kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'runA: kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> declared in <root>.A.<init>' type=kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-runA> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit>
@@ -20,7 +20,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-runA> (): kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:runA type:kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> visibility:public [final]' type=kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:runA type:kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> visibility:private [final]' type=kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit> origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-runA>' type=<root>.A origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Function2<<root>.A, kotlin.String, kotlin.Unit>
       $this: VALUE_PARAMETER name:<this> type:<root>.A
@@ -65,7 +65,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:B modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Any declared in <root>.B.<init>' type=kotlin.Any origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.B) returnType:kotlin.Any
@@ -73,7 +73,7 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.B
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Any declared in <root>.B'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any visibility:public [final]' type=kotlin.Any origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
               receiver: GET_VAR '<this>: <root>.B declared in <root>.B.<get-x>' type=<root>.B origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.B) returnType:kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:<root>.B
@@ -101,3 +101,4 @@ FILE fqName:<root> fileName:/lambdaInDataClassDefaultParameter.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/localClasses.fir.txt b/compiler/testData/ir/irText/classes/localClasses.fir.txt
index e22e0a594da..2e48e7c1fe3 100644
--- a/compiler/testData/ir/irText/classes/localClasses.fir.txt
+++ b/compiler/testData/ir/irText/classes/localClasses.fir.txt
@@ -11,3 +11,4 @@ FILE fqName:<root> fileName:/localClasses.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.outer.LocalClass
           BLOCK_BODY
       ERROR_CALL 'Unresolved reference: <Unresolved name: foo>#' type=IrErrorType
+
diff --git a/compiler/testData/ir/irText/classes/objectLiteralExpressions.fir.txt b/compiler/testData/ir/irText/classes/objectLiteralExpressions.fir.txt
index adbcb065cbf..79e9a09245e 100644
--- a/compiler/testData/ir/irText/classes/objectLiteralExpressions.fir.txt
+++ b/compiler/testData/ir/irText/classes/objectLiteralExpressions.fir.txt
@@ -17,7 +17,7 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Any visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Any visibility:private [final,static]
       EXPRESSION_BODY
         BLOCK type=<root>.test1.<no name provided> origin=OBJECT_LITERAL
           CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
@@ -31,9 +31,9 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Any declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Any visibility:public [final,static]' type=kotlin.Any origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Any visibility:private [final,static]' type=kotlin.Any origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:<root>.IFoo visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:<root>.IFoo visibility:private [final,static]
       EXPRESSION_BODY
         BLOCK type=<root>.test2.<no name provided> origin=OBJECT_LITERAL
           CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.IFoo]
@@ -52,7 +52,7 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): <root>.IFoo declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:<root>.IFoo visibility:public [final,static]' type=<root>.IFoo origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:<root>.IFoo visibility:private [final,static]' type=<root>.IFoo origin=null
   CLASS CLASS name:Outer modality:FINAL visibility:public superTypes:[kotlin.Any]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Outer
     CONSTRUCTOR visibility:public <> () returnType:<root>.Outer [primary]
@@ -129,3 +129,4 @@ FILE fqName:<root> fileName:/objectLiteralExpressions.kt
                 CALL 'public final fun println (message: kotlin.Any?): kotlin.Unit [inline] declared in kotlin.io' type=kotlin.Unit origin=null
                   message: CONST String type=kotlin.String value="foo"
           CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.test4.<no name provided>' type=<root>.test4.<no name provided> origin=null
+
diff --git a/compiler/testData/ir/irText/classes/objectWithInitializers.fir.txt b/compiler/testData/ir/irText/classes/objectWithInitializers.fir.txt
index 098a45dbe60..5ab4d7abcdf 100644
--- a/compiler/testData/ir/irText/classes/objectWithInitializers.fir.txt
+++ b/compiler/testData/ir/irText/classes/objectWithInitializers.fir.txt
@@ -25,7 +25,7 @@ FILE fqName:<root> fileName:/objectWithInitializers.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.Base'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:Test modality:FINAL visibility:public superTypes:[<root>.Base]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=1
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test) returnType:kotlin.Int
@@ -33,20 +33,20 @@ FILE fqName:<root> fileName:/objectWithInitializers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.<get-x>' type=<root>.Test origin=null
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.Test) returnType:kotlin.Int
         correspondingProperty: PROPERTY name:y visibility:public modality:FINAL [val]
         $this: VALUE_PARAMETER name:<this> type:<root>.Test
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.Test'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.<get-y>' type=<root>.Test origin=null
     ANONYMOUS_INITIALIZER isStatic=false
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Unit origin=null
           receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test' type=<root>.Test origin=null
           value: CALL 'public final fun <get-x> (): kotlin.Int declared in <root>.Test' type=kotlin.Int origin=null
             $this: GET_VAR '<this>: <root>.Test declared in <root>.Test' type=<root>.Test origin=null
@@ -63,3 +63,4 @@ FILE fqName:<root> fileName:/objectWithInitializers.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/outerClassAccess.fir.txt b/compiler/testData/ir/irText/classes/outerClassAccess.fir.txt
index 32a562b8564..ac49d1213c8 100644
--- a/compiler/testData/ir/irText/classes/outerClassAccess.fir.txt
+++ b/compiler/testData/ir/irText/classes/outerClassAccess.fir.txt
@@ -77,3 +77,4 @@ FILE fqName:<root> fileName:/outerClassAccess.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.fir.txt b/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.fir.txt
index 6fef13d5a54..132e46121ea 100644
--- a/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.fir.txt
+++ b/compiler/testData/ir/irText/classes/primaryConstructorWithSuperConstructorCall.fir.txt
@@ -65,7 +65,7 @@ FILE fqName:<root> fileName:/primaryConstructorWithSuperConstructorCall.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.Base'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestWithDelegatingConstructor modality:FINAL visibility:public superTypes:[<root>.Base]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.TestWithDelegatingConstructor.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestWithDelegatingConstructor) returnType:kotlin.Int
@@ -73,10 +73,10 @@ FILE fqName:<root> fileName:/primaryConstructorWithSuperConstructorCall.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestWithDelegatingConstructor
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestWithDelegatingConstructor'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestWithDelegatingConstructor declared in <root>.TestWithDelegatingConstructor.<get-x>' type=<root>.TestWithDelegatingConstructor origin=null
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.Int declared in <root>.TestWithDelegatingConstructor.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.TestWithDelegatingConstructor) returnType:kotlin.Int
@@ -84,7 +84,7 @@ FILE fqName:<root> fileName:/primaryConstructorWithSuperConstructorCall.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestWithDelegatingConstructor
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.TestWithDelegatingConstructor'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestWithDelegatingConstructor declared in <root>.TestWithDelegatingConstructor.<get-y>' type=<root>.TestWithDelegatingConstructor origin=null
     CONSTRUCTOR visibility:public <> (x:kotlin.Int) returnType:<root>.TestWithDelegatingConstructor
       VALUE_PARAMETER name:x index:0 type:kotlin.Int
@@ -105,3 +105,4 @@ FILE fqName:<root> fileName:/primaryConstructorWithSuperConstructorCall.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/qualifiedSuperCalls.fir.txt b/compiler/testData/ir/irText/classes/qualifiedSuperCalls.fir.txt
index 28fe8e8f5eb..2a719bd8fb6 100644
--- a/compiler/testData/ir/irText/classes/qualifiedSuperCalls.fir.txt
+++ b/compiler/testData/ir/irText/classes/qualifiedSuperCalls.fir.txt
@@ -86,3 +86,4 @@ FILE fqName:<root> fileName:/qualifiedSuperCalls.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/sealedClasses.fir.txt b/compiler/testData/ir/irText/classes/sealedClasses.fir.txt
index 1381ffc6e24..8083d1c6450 100644
--- a/compiler/testData/ir/irText/classes/sealedClasses.fir.txt
+++ b/compiler/testData/ir/irText/classes/sealedClasses.fir.txt
@@ -13,7 +13,7 @@ FILE fqName:<root> fileName:/sealedClasses.kt
           DELEGATING_CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.Expr'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Const modality:FINAL visibility:public superTypes:[<root>.Expr]'
       PROPERTY name:number visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:number type:kotlin.Double visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:number type:kotlin.Double visibility:private [final]
           EXPRESSION_BODY
             GET_VAR 'number: kotlin.Double declared in <root>.Expr.Const.<init>' type=kotlin.Double origin=INITIALIZE_PROPERTY_FROM_PARAMETER
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-number> visibility:public modality:FINAL <> ($this:<root>.Expr.Const) returnType:kotlin.Double
@@ -21,7 +21,7 @@ FILE fqName:<root> fileName:/sealedClasses.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Expr.Const
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-number> (): kotlin.Double declared in <root>.Expr.Const'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:number type:kotlin.Double visibility:public [final]' type=kotlin.Double origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:number type:kotlin.Double visibility:private [final]' type=kotlin.Double origin=null
                 receiver: GET_VAR '<this>: <root>.Expr.Const declared in <root>.Expr.Const.<get-number>' type=<root>.Expr.Const origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
         overridden:
@@ -45,7 +45,7 @@ FILE fqName:<root> fileName:/sealedClasses.kt
           DELEGATING_CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.Expr'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Sum modality:FINAL visibility:public superTypes:[<root>.Expr]'
       PROPERTY name:e1 visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:e1 type:<root>.Expr visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:e1 type:<root>.Expr visibility:private [final]
           EXPRESSION_BODY
             GET_VAR 'e1: <root>.Expr declared in <root>.Expr.Sum.<init>' type=<root>.Expr origin=INITIALIZE_PROPERTY_FROM_PARAMETER
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-e1> visibility:public modality:FINAL <> ($this:<root>.Expr.Sum) returnType:<root>.Expr
@@ -53,10 +53,10 @@ FILE fqName:<root> fileName:/sealedClasses.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Expr.Sum
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-e1> (): <root>.Expr declared in <root>.Expr.Sum'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:e1 type:<root>.Expr visibility:public [final]' type=<root>.Expr origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:e1 type:<root>.Expr visibility:private [final]' type=<root>.Expr origin=null
                 receiver: GET_VAR '<this>: <root>.Expr.Sum declared in <root>.Expr.Sum.<get-e1>' type=<root>.Expr.Sum origin=null
       PROPERTY name:e2 visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:e2 type:<root>.Expr visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:e2 type:<root>.Expr visibility:private [final]
           EXPRESSION_BODY
             GET_VAR 'e2: <root>.Expr declared in <root>.Expr.Sum.<init>' type=<root>.Expr origin=INITIALIZE_PROPERTY_FROM_PARAMETER
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-e2> visibility:public modality:FINAL <> ($this:<root>.Expr.Sum) returnType:<root>.Expr
@@ -64,7 +64,7 @@ FILE fqName:<root> fileName:/sealedClasses.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Expr.Sum
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-e2> (): <root>.Expr declared in <root>.Expr.Sum'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:e2 type:<root>.Expr visibility:public [final]' type=<root>.Expr origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:e2 type:<root>.Expr visibility:private [final]' type=<root>.Expr origin=null
                 receiver: GET_VAR '<this>: <root>.Expr.Sum declared in <root>.Expr.Sum.<get-e2>' type=<root>.Expr.Sum origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
         overridden:
@@ -111,3 +111,4 @@ FILE fqName:<root> fileName:/sealedClasses.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.fir.txt b/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.fir.txt
index af9bbd5306f..50b9123a104 100644
--- a/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.fir.txt
+++ b/compiler/testData/ir/irText/classes/secondaryConstructorWithInitializersFromClassBody.fir.txt
@@ -21,7 +21,7 @@ FILE fqName:<root> fileName:/secondaryConstructorWithInitializersFromClassBody.k
   CLASS CLASS name:TestProperty modality:FINAL visibility:public superTypes:[<root>.Base]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestProperty
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=0
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestProperty) returnType:kotlin.Int
@@ -29,7 +29,7 @@ FILE fqName:<root> fileName:/secondaryConstructorWithInitializersFromClassBody.k
         $this: VALUE_PARAMETER name:<this> type:<root>.TestProperty
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestProperty'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestProperty declared in <root>.TestProperty.<get-x>' type=<root>.TestProperty origin=null
     CONSTRUCTOR visibility:public <> () returnType:<root>.TestProperty
       BLOCK_BODY
@@ -51,17 +51,17 @@ FILE fqName:<root> fileName:/secondaryConstructorWithInitializersFromClassBody.k
   CLASS CLASS name:TestInitBlock modality:FINAL visibility:public superTypes:[<root>.Base]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.TestInitBlock
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestInitBlock) returnType:kotlin.Int
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [val]
         $this: VALUE_PARAMETER name:<this> type:<root>.TestInitBlock
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestInitBlock'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestInitBlock declared in <root>.TestInitBlock.<get-x>' type=<root>.TestInitBlock origin=null
     ANONYMOUS_INITIALIZER isStatic=false
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Unit origin=null
           receiver: GET_VAR '<this>: <root>.TestInitBlock declared in <root>.TestInitBlock' type=<root>.TestInitBlock origin=null
           value: CONST Int type=kotlin.Int value=0
     CONSTRUCTOR visibility:public <> () returnType:<root>.TestInitBlock
@@ -90,3 +90,4 @@ FILE fqName:<root> fileName:/secondaryConstructorWithInitializersFromClassBody.k
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/classes/superCalls.fir.txt b/compiler/testData/ir/irText/classes/superCalls.fir.txt
index 0711980c363..6a9dce1b6f5 100644
--- a/compiler/testData/ir/irText/classes/superCalls.fir.txt
+++ b/compiler/testData/ir/irText/classes/superCalls.fir.txt
@@ -9,7 +9,7 @@ FILE fqName:<root> fileName:/superCalls.kt
       $this: VALUE_PARAMETER name:<this> type:<root>.Base
       BLOCK_BODY
     PROPERTY name:bar visibility:public modality:OPEN [val]
-      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           CONST String type=kotlin.String value=""
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-bar> visibility:public modality:OPEN <> ($this:<root>.Base) returnType:kotlin.String
@@ -17,7 +17,7 @@ FILE fqName:<root> fileName:/superCalls.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Base
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public open fun <get-bar> (): kotlin.String declared in <root>.Base'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.Base declared in <root>.Base.<get-bar>' type=<root>.Base origin=null
     FUN name:hashCode visibility:public modality:OPEN <> ($this:<root>.Base) returnType:kotlin.Int
       $this: VALUE_PARAMETER name:<this> type:<root>.Base
@@ -66,3 +66,4 @@ FILE fqName:<root> fileName:/superCalls.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/declarations/annotations/annotationsInAnnotationArguments.fir.txt b/compiler/testData/ir/irText/declarations/annotations/annotationsInAnnotationArguments.fir.txt
index 32f1b3b5416..8b332913225 100644
--- a/compiler/testData/ir/irText/declarations/annotations/annotationsInAnnotationArguments.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/annotationsInAnnotationArguments.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/annotationsInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.Int) returnType:<root>.A1 [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.Int
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.A1.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.A1) returnType:kotlin.Int
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/annotationsInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.A1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A1 declared in <root>.A1.<get-x>' type=<root>.A1 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -32,7 +32,7 @@ FILE fqName:<root> fileName:/annotationsInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (a:<root>.A1) returnType:<root>.A2 [primary]
       VALUE_PARAMETER name:a index:0 type:<root>.A1
     PROPERTY name:a visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:a type:<root>.A1 visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:a type:<root>.A1 visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'a: <root>.A1 declared in <root>.A2.<init>' type=<root>.A1 origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-a> visibility:public modality:FINAL <> ($this:<root>.A2) returnType:<root>.A1
@@ -40,7 +40,7 @@ FILE fqName:<root> fileName:/annotationsInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-a> (): <root>.A1 declared in <root>.A2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:a type:<root>.A1 visibility:public [final]' type=<root>.A1 origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:a type:<root>.A1 visibility:private [final]' type=<root>.A1 origin=null
               receiver: GET_VAR '<this>: <root>.A2 declared in <root>.A2.<get-a>' type=<root>.A2 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -60,7 +60,7 @@ FILE fqName:<root> fileName:/annotationsInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (xs:kotlin.Array<<root>.A1>) returnType:<root>.AA [primary]
       VALUE_PARAMETER name:xs index:0 type:kotlin.Array<<root>.A1>
     PROPERTY name:xs visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Array<<root>.A1> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Array<<root>.A1> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'xs: kotlin.Array<<root>.A1> declared in <root>.AA.<init>' type=kotlin.Array<<root>.A1> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-xs> visibility:public modality:FINAL <> ($this:<root>.AA) returnType:kotlin.Array<<root>.A1>
@@ -68,7 +68,7 @@ FILE fqName:<root> fileName:/annotationsInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.AA
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-xs> (): kotlin.Array<<root>.A1> declared in <root>.AA'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Array<<root>.A1> visibility:public [final]' type=kotlin.Array<<root>.A1> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Array<<root>.A1> visibility:private [final]' type=kotlin.Array<<root>.A1> origin=null
               receiver: GET_VAR '<this>: <root>.AA declared in <root>.AA.<get-xs>' type=<root>.AA origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/annotationsWithDefaultParameterValues.fir.txt b/compiler/testData/ir/irText/declarations/annotations/annotationsWithDefaultParameterValues.fir.txt
index 5c2c92b47d2..64a55f0107d 100644
--- a/compiler/testData/ir/irText/declarations/annotations/annotationsWithDefaultParameterValues.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/annotationsWithDefaultParameterValues.fir.txt
@@ -9,7 +9,7 @@ FILE fqName:<root> fileName:/annotationsWithDefaultParameterValues.kt
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=42
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.A.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.String
@@ -17,10 +17,10 @@ FILE fqName:<root> fileName:/annotationsWithDefaultParameterValues.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-x>' type=<root>.A origin=null
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.Int declared in <root>.A.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
@@ -28,7 +28,7 @@ FILE fqName:<root> fileName:/annotationsWithDefaultParameterValues.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-y>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/annotationsWithVarargParameters.fir.txt b/compiler/testData/ir/irText/declarations/annotations/annotationsWithVarargParameters.fir.txt
index bd763bd45a2..9131f90e9a7 100644
--- a/compiler/testData/ir/irText/declarations/annotations/annotationsWithVarargParameters.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/annotationsWithVarargParameters.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/annotationsWithVarargParameters.kt
     CONSTRUCTOR visibility:public <> (xs:kotlin.Array<kotlin.String>) returnType:<root>.A [primary]
       VALUE_PARAMETER name:xs index:0 type:kotlin.Array<kotlin.String>
     PROPERTY name:xs visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'xs: kotlin.Array<kotlin.String> declared in <root>.A.<init>' type=kotlin.Array<kotlin.String> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-xs> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/annotationsWithVarargParameters.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-xs> (): kotlin.String declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-xs>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/arrayInAnnotationArguments.fir.txt b/compiler/testData/ir/irText/declarations/annotations/arrayInAnnotationArguments.fir.txt
index 5c70eb36be7..cf9e9fd2761 100644
--- a/compiler/testData/ir/irText/declarations/annotations/arrayInAnnotationArguments.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/arrayInAnnotationArguments.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/arrayInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.IntArray) returnType:<root>.TestAnnWithIntArray [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.IntArray
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.IntArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.IntArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.IntArray declared in <root>.TestAnnWithIntArray.<init>' type=kotlin.IntArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnnWithIntArray) returnType:kotlin.IntArray
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/arrayInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnnWithIntArray
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.IntArray declared in <root>.TestAnnWithIntArray'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.IntArray visibility:public [final]' type=kotlin.IntArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.IntArray visibility:private [final]' type=kotlin.IntArray origin=null
               receiver: GET_VAR '<this>: <root>.TestAnnWithIntArray declared in <root>.TestAnnWithIntArray.<get-x>' type=<root>.TestAnnWithIntArray origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -32,7 +32,7 @@ FILE fqName:<root> fileName:/arrayInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.Array<kotlin.String>) returnType:<root>.TestAnnWithStringArray [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.Array<kotlin.String>
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Array<kotlin.String> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Array<kotlin.String> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Array<kotlin.String> declared in <root>.TestAnnWithStringArray.<init>' type=kotlin.Array<kotlin.String> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnnWithStringArray) returnType:kotlin.Array<kotlin.String>
@@ -40,7 +40,7 @@ FILE fqName:<root> fileName:/arrayInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnnWithStringArray
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Array<kotlin.String> declared in <root>.TestAnnWithStringArray'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Array<kotlin.String> visibility:public [final]' type=kotlin.Array<kotlin.String> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Array<kotlin.String> visibility:private [final]' type=kotlin.Array<kotlin.String> origin=null
               receiver: GET_VAR '<this>: <root>.TestAnnWithStringArray declared in <root>.TestAnnWithStringArray.<get-x>' type=<root>.TestAnnWithStringArray origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/classLiteralInAnnotation.fir.txt b/compiler/testData/ir/irText/declarations/annotations/classLiteralInAnnotation.fir.txt
index c71eb8851ef..36b0382c634 100644
--- a/compiler/testData/ir/irText/declarations/annotations/classLiteralInAnnotation.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/classLiteralInAnnotation.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/classLiteralInAnnotation.kt
     CONSTRUCTOR visibility:public <> (klass:kotlin.reflect.KClass<*>) returnType:<root>.A [primary]
       VALUE_PARAMETER name:klass index:0 type:kotlin.reflect.KClass<*>
     PROPERTY name:klass visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:klass type:kotlin.reflect.KClass<*> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:klass type:kotlin.reflect.KClass<*> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'klass: kotlin.reflect.KClass<*> declared in <root>.A.<init>' type=kotlin.reflect.KClass<*> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-klass> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.reflect.KClass<*>
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/classLiteralInAnnotation.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-klass> (): kotlin.reflect.KClass<*> declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:klass type:kotlin.reflect.KClass<*> visibility:public [final]' type=kotlin.reflect.KClass<*> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:klass type:kotlin.reflect.KClass<*> visibility:private [final]' type=kotlin.reflect.KClass<*> origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-klass>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/classesWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/classesWithAnnotations.fir.txt
index ade34aaeb01..880bf88b36b 100644
--- a/compiler/testData/ir/irText/declarations/annotations/classesWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/classesWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/classesWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.TestAnn.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/classesWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/constExpressionsInAnnotationArguments.fir.txt b/compiler/testData/ir/irText/declarations/annotations/constExpressionsInAnnotationArguments.fir.txt
index 102e3b00f7e..fa1e1cc9b63 100644
--- a/compiler/testData/ir/irText/declarations/annotations/constExpressionsInAnnotationArguments.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/constExpressionsInAnnotationArguments.fir.txt
@@ -1,19 +1,19 @@
 FILE fqName:<root> fileName:/constExpressionsInAnnotationArguments.kt
   PROPERTY name:ONE visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:ONE type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:ONE type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-ONE> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:ONE visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-ONE> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ONE type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ONE type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   CLASS ANNOTATION_CLASS name:A modality:FINAL visibility:public superTypes:[kotlin.Annotation]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.A
     CONSTRUCTOR visibility:public <> (x:kotlin.Int) returnType:<root>.A [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.Int
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.A.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
@@ -21,7 +21,7 @@ FILE fqName:<root> fileName:/constExpressionsInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-x>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/constructorsWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/constructorsWithAnnotations.fir.txt
index 45501893d6d..19cc9d647aa 100644
--- a/compiler/testData/ir/irText/declarations/annotations/constructorsWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/constructorsWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/constructorsWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.Int) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.Int
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.TestAnn.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.Int
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/constructorsWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/delegatedPropertyAccessorsWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/delegatedPropertyAccessorsWithAnnotations.fir.txt
index 1bb07b47d5e..b1026a086eb 100644
--- a/compiler/testData/ir/irText/declarations/annotations/delegatedPropertyAccessorsWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/delegatedPropertyAccessorsWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/delegatedPropertyAccessorsWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.A [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.A.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/delegatedPropertyAccessorsWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-x>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -35,7 +35,7 @@ FILE fqName:<root> fileName:/delegatedPropertyAccessorsWithAnnotations.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Cell modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.Int declared in <root>.Cell.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.Cell) returnType:kotlin.Int
@@ -43,14 +43,14 @@ FILE fqName:<root> fileName:/delegatedPropertyAccessorsWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Cell
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.Int declared in <root>.Cell'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Cell declared in <root>.Cell.<get-value>' type=<root>.Cell origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-value> visibility:public modality:FINAL <> ($this:<root>.Cell, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:value visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.Cell
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Cell declared in <root>.Cell.<set-value>' type=<root>.Cell origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.Cell.<set-value>' type=kotlin.Int origin=null
     FUN name:getValue visibility:public modality:FINAL <> ($this:<root>.Cell, thisRef:kotlin.Any?, kProp:kotlin.Any?) returnType:kotlin.Int
@@ -67,7 +67,7 @@ FILE fqName:<root> fileName:/delegatedPropertyAccessorsWithAnnotations.kt
       VALUE_PARAMETER name:kProp index:1 type:kotlin.Any?
       VALUE_PARAMETER name:newValue index:2 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
           receiver: GET_VAR '<this>: <root>.Cell declared in <root>.Cell' type=<root>.Cell origin=null
           value: GET_VAR 'newValue: kotlin.Int declared in <root>.Cell.setValue' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
diff --git a/compiler/testData/ir/irText/declarations/annotations/enumEntriesWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/enumEntriesWithAnnotations.fir.txt
index f193b7a5e09..011eeb9b6d8 100644
--- a/compiler/testData/ir/irText/declarations/annotations/enumEntriesWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/enumEntriesWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/enumEntriesWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.TestAnn.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/enumEntriesWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -64,7 +64,7 @@ FILE fqName:<root> fileName:/enumEntriesWithAnnotations.kt
           DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_ENTRY name:ENTRY2 modality:FINAL visibility:public superTypes:[kotlin.Any]'
       PROPERTY name:x visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
           EXPRESSION_BODY
             CONST Int type=kotlin.Int value=42
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestEnum.ENTRY2) returnType:kotlin.Int
@@ -72,7 +72,7 @@ FILE fqName:<root> fileName:/enumEntriesWithAnnotations.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.TestEnum.ENTRY2
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestEnum.ENTRY2'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
                 receiver: GET_VAR '<this>: <root>.TestEnum.ENTRY2 declared in <root>.TestEnum.ENTRY2.<get-x>' type=<root>.TestEnum.ENTRY2 origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
         overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/enumsInAnnotationArguments.fir.txt b/compiler/testData/ir/irText/declarations/annotations/enumsInAnnotationArguments.fir.txt
index 98c5a91c614..9d4162c943f 100644
--- a/compiler/testData/ir/irText/declarations/annotations/enumsInAnnotationArguments.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/enumsInAnnotationArguments.fir.txt
@@ -109,7 +109,7 @@ FILE fqName:<root> fileName:/enumsInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (x:<root>.En) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:<root>.En
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:<root>.En visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:<root>.En visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: <root>.En declared in <root>.TestAnn.<init>' type=<root>.En origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:<root>.En
@@ -117,7 +117,7 @@ FILE fqName:<root> fileName:/enumsInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): <root>.En declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:<root>.En visibility:public [final]' type=<root>.En origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:<root>.En visibility:private [final]' type=<root>.En origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/fieldsWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/fieldsWithAnnotations.fir.txt
index 6ad61bb1065..9de7300313b 100644
--- a/compiler/testData/ir/irText/declarations/annotations/fieldsWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/fieldsWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/fieldsWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.TestAnn.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/fieldsWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -30,28 +30,28 @@ FILE fqName:<root> fileName:/fieldsWithAnnotations.kt
   PROPERTY name:testVal visibility:public modality:FINAL [val]
     annotations:
       TestAnn(x = 'testVal.field')
-    FIELD PROPERTY_BACKING_FIELD name:testVal type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testVal type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="a val"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testVal> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:testVal visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testVal> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testVal type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testVal type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:testVar visibility:public modality:FINAL [var]
     annotations:
       TestAnn(x = 'testVar.field')
-    FIELD PROPERTY_BACKING_FIELD name:testVar type:kotlin.String visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:testVar type:kotlin.String visibility:private [static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="a var"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testVar> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:testVar visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testVar> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testVar type:kotlin.String visibility:public [static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testVar type:kotlin.String visibility:private [static]' type=kotlin.String origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-testVar> visibility:public modality:FINAL <> (<set-?>:kotlin.String) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:testVar visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.String
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testVar type:kotlin.String visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testVar type:kotlin.String visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.String declared in <root>.<set-testVar>' type=kotlin.String origin=null
diff --git a/compiler/testData/ir/irText/declarations/annotations/fileAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/fileAnnotations.fir.txt
index 4a492374710..900785fc3c1 100644
--- a/compiler/testData/ir/irText/declarations/annotations/fileAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/fileAnnotations.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:test fileName:/fileAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:test.A [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in test.A.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:test.A) returnType:kotlin.String
@@ -16,7 +16,7 @@ FILE fqName:test fileName:/fileAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:test.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in test.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: test.A declared in test.A.<get-x>' type=test.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/functionsWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/functionsWithAnnotations.fir.txt
index 488271e8129..8001c205c0a 100644
--- a/compiler/testData/ir/irText/declarations/annotations/functionsWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/functionsWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/functionsWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.Int) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.Int
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.TestAnn.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.Int
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/functionsWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/localDelegatedPropertiesWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/localDelegatedPropertiesWithAnnotations.fir.txt
index 15009a26ef1..da8516abac6 100644
--- a/compiler/testData/ir/irText/declarations/annotations/localDelegatedPropertiesWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/localDelegatedPropertiesWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/localDelegatedPropertiesWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.A [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.A.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/localDelegatedPropertiesWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-x>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/primaryConstructorParameterWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/primaryConstructorParameterWithAnnotations.fir.txt
index 9395bfcbb10..6a115fd05d4 100644
--- a/compiler/testData/ir/irText/declarations/annotations/primaryConstructorParameterWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/primaryConstructorParameterWithAnnotations.fir.txt
@@ -25,7 +25,7 @@ FILE fqName:<root> fileName:/primaryConstructorParameterWithAnnotations.kt
     PROPERTY name:x visibility:public modality:FINAL [val]
       annotations:
         Ann
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test) returnType:kotlin.Int
@@ -33,7 +33,7 @@ FILE fqName:<root> fileName:/primaryConstructorParameterWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.<get-x>' type=<root>.Test origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/propertiesWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/propertiesWithAnnotations.fir.txt
index cafa4942b7a..7e5ef498990 100644
--- a/compiler/testData/ir/irText/declarations/annotations/propertiesWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/propertiesWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/propertiesWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.TestAnn.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/propertiesWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -30,11 +30,12 @@ FILE fqName:<root> fileName:/propertiesWithAnnotations.kt
   PROPERTY name:testVal visibility:public modality:FINAL [val]
     annotations:
       TestAnn(x = 'testVal.property')
-    FIELD PROPERTY_BACKING_FIELD name:testVal type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testVal type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value=""
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testVal> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:testVal visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testVal> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testVal type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testVal type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
+
diff --git a/compiler/testData/ir/irText/declarations/annotations/propertyAccessorsFromClassHeaderWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/propertyAccessorsFromClassHeaderWithAnnotations.fir.txt
index ac33c8a3213..48ea613d5a7 100644
--- a/compiler/testData/ir/irText/declarations/annotations/propertyAccessorsFromClassHeaderWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/propertyAccessorsFromClassHeaderWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/propertyAccessorsFromClassHeaderWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.A [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.A.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/propertyAccessorsFromClassHeaderWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-x>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -38,7 +38,7 @@ FILE fqName:<root> fileName:/propertyAccessorsFromClassHeaderWithAnnotations.kt
     PROPERTY name:x visibility:public modality:FINAL [val]
       annotations:
         A(x = 'C.x.get')
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.C.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -46,13 +46,13 @@ FILE fqName:<root> fileName:/propertyAccessorsFromClassHeaderWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-x>' type=<root>.C origin=null
     PROPERTY name:y visibility:public modality:FINAL [var]
       annotations:
         A(x = 'C.y.get')
         A(x = 'C.y.set')
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.Int declared in <root>.C.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -60,14 +60,14 @@ FILE fqName:<root> fileName:/propertyAccessorsFromClassHeaderWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-y>' type=<root>.C origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-y> visibility:public modality:FINAL <> ($this:<root>.C, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:y visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<set-y>' type=<root>.C origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.C.<set-y>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
diff --git a/compiler/testData/ir/irText/declarations/annotations/propertyAccessorsWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/propertyAccessorsWithAnnotations.fir.txt
index e54dbf7327b..9bc4dac3b4f 100644
--- a/compiler/testData/ir/irText/declarations/annotations/propertyAccessorsWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/propertyAccessorsWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/propertyAccessorsWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.TestAnn.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/propertyAccessorsWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -46,29 +46,29 @@ FILE fqName:<root> fileName:/propertyAccessorsWithAnnotations.kt
   PROPERTY name:test3 visibility:public modality:FINAL [val]
     annotations:
       TestAnn(x = 'test3.get')
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value=""
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test3> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test4 visibility:public modality:FINAL [var]
     annotations:
       TestAnn(x = 'test4.get')
       TestAnn(x = 'test4.set')
-    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:private [static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value=""
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test4> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test4> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:public [static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:private [static]' type=kotlin.String origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-test4> visibility:public modality:FINAL <> (<set-?>:kotlin.String) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.String
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.String declared in <root>.<set-test4>' type=kotlin.String origin=null
diff --git a/compiler/testData/ir/irText/declarations/annotations/propertySetterParameterWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/propertySetterParameterWithAnnotations.fir.txt
index e67711c4bed..f4aefd6bfc1 100644
--- a/compiler/testData/ir/irText/declarations/annotations/propertySetterParameterWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/propertySetterParameterWithAnnotations.fir.txt
@@ -18,19 +18,19 @@ FILE fqName:<root> fileName:/propertySetterParameterWithAnnotations.kt
   PROPERTY name:p visibility:public modality:FINAL [var]
     annotations:
       AnnParam
-    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-p> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-p> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-p> visibility:public modality:FINAL <> (<set-?>:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.Int declared in <root>.<set-p>' type=kotlin.Int origin=null
   CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.C
@@ -42,7 +42,7 @@ FILE fqName:<root> fileName:/propertySetterParameterWithAnnotations.kt
     PROPERTY name:p visibility:public modality:FINAL [var]
       annotations:
         AnnParam
-      FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'p: kotlin.Int declared in <root>.C.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-p> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -50,14 +50,14 @@ FILE fqName:<root> fileName:/propertySetterParameterWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-p> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-p>' type=<root>.C origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-p> visibility:public modality:FINAL <> ($this:<root>.C, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<set-p>' type=<root>.C origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.C.<set-p>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
diff --git a/compiler/testData/ir/irText/declarations/annotations/spreadOperatorInAnnotationArguments.fir.txt b/compiler/testData/ir/irText/declarations/annotations/spreadOperatorInAnnotationArguments.fir.txt
index 153f80aeda9..e0ad6d41bb6 100644
--- a/compiler/testData/ir/irText/declarations/annotations/spreadOperatorInAnnotationArguments.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/spreadOperatorInAnnotationArguments.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/spreadOperatorInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (xs:kotlin.Array<kotlin.String>) returnType:<root>.A [primary]
       VALUE_PARAMETER name:xs index:0 type:kotlin.Array<kotlin.String>
     PROPERTY name:xs visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'xs: kotlin.Array<kotlin.String> declared in <root>.A.<init>' type=kotlin.Array<kotlin.String> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-xs> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/spreadOperatorInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-xs> (): kotlin.String declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-xs>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/typeAliasesWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/typeAliasesWithAnnotations.fir.txt
index 63078c2b633..9601a24c19b 100644
--- a/compiler/testData/ir/irText/declarations/annotations/typeAliasesWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/typeAliasesWithAnnotations.fir.txt
@@ -6,7 +6,7 @@ FILE fqName:<root> fileName:/typeAliasesWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.TestAnn.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.String
@@ -14,7 +14,7 @@ FILE fqName:<root> fileName:/typeAliasesWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/valueParametersWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/valueParametersWithAnnotations.fir.txt
index 0145237071c..9ace4a7eb41 100644
--- a/compiler/testData/ir/irText/declarations/annotations/valueParametersWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/valueParametersWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/valueParametersWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.TestAnn.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/valueParametersWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -38,7 +38,7 @@ FILE fqName:<root> fileName:/valueParametersWithAnnotations.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestClassConstructor1 modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:xx visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.TestClassConstructor1.<init>' type=kotlin.Int origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-xx> visibility:public modality:FINAL <> ($this:<root>.TestClassConstructor1) returnType:kotlin.Int
@@ -46,7 +46,7 @@ FILE fqName:<root> fileName:/valueParametersWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestClassConstructor1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-xx> (): kotlin.Int declared in <root>.TestClassConstructor1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestClassConstructor1 declared in <root>.TestClassConstructor1.<get-xx>' type=<root>.TestClassConstructor1 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/varargsInAnnotationArguments.fir.txt b/compiler/testData/ir/irText/declarations/annotations/varargsInAnnotationArguments.fir.txt
index 2710a1b64ab..1e8a05d2cd5 100644
--- a/compiler/testData/ir/irText/declarations/annotations/varargsInAnnotationArguments.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/varargsInAnnotationArguments.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/varargsInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (xs:kotlin.IntArray) returnType:<root>.A1 [primary]
       VALUE_PARAMETER name:xs index:0 type:kotlin.IntArray
     PROPERTY name:xs visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'xs: kotlin.IntArray declared in <root>.A1.<init>' type=kotlin.IntArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-xs> visibility:public modality:FINAL <> ($this:<root>.A1) returnType:kotlin.Int
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/varargsInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-xs> (): kotlin.Int declared in <root>.A1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A1 declared in <root>.A1.<get-xs>' type=<root>.A1 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -32,7 +32,7 @@ FILE fqName:<root> fileName:/varargsInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (xs:kotlin.Array<kotlin.String>) returnType:<root>.A2 [primary]
       VALUE_PARAMETER name:xs index:0 type:kotlin.Array<kotlin.String>
     PROPERTY name:xs visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'xs: kotlin.Array<kotlin.String> declared in <root>.A2.<init>' type=kotlin.Array<kotlin.String> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-xs> visibility:public modality:FINAL <> ($this:<root>.A2) returnType:kotlin.String
@@ -40,7 +40,7 @@ FILE fqName:<root> fileName:/varargsInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-xs> (): kotlin.String declared in <root>.A2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.A2 declared in <root>.A2.<get-xs>' type=<root>.A2 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -60,7 +60,7 @@ FILE fqName:<root> fileName:/varargsInAnnotationArguments.kt
     CONSTRUCTOR visibility:public <> (xs:kotlin.Array<<root>.A1>) returnType:<root>.AA [primary]
       VALUE_PARAMETER name:xs index:0 type:kotlin.Array<<root>.A1>
     PROPERTY name:xs visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:xs type:<root>.A1 visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:xs type:<root>.A1 visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'xs: kotlin.Array<<root>.A1> declared in <root>.AA.<init>' type=kotlin.Array<<root>.A1> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-xs> visibility:public modality:FINAL <> ($this:<root>.AA) returnType:<root>.A1
@@ -68,7 +68,7 @@ FILE fqName:<root> fileName:/varargsInAnnotationArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.AA
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-xs> (): <root>.A1 declared in <root>.AA'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:<root>.A1 visibility:public [final]' type=<root>.A1 origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xs type:<root>.A1 visibility:private [final]' type=<root>.A1 origin=null
               receiver: GET_VAR '<this>: <root>.AA declared in <root>.AA.<get-xs>' type=<root>.AA origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/annotations/variablesWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/annotations/variablesWithAnnotations.fir.txt
index ae96faead18..f043025b329 100644
--- a/compiler/testData/ir/irText/declarations/annotations/variablesWithAnnotations.fir.txt
+++ b/compiler/testData/ir/irText/declarations/annotations/variablesWithAnnotations.fir.txt
@@ -4,7 +4,7 @@ FILE fqName:<root> fileName:/variablesWithAnnotations.kt
     CONSTRUCTOR visibility:public <> (x:kotlin.String) returnType:<root>.TestAnn [primary]
       VALUE_PARAMETER name:x index:0 type:kotlin.String
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String declared in <root>.TestAnn.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestAnn) returnType:kotlin.String
@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/variablesWithAnnotations.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestAnn
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String declared in <root>.TestAnn'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.TestAnn declared in <root>.TestAnn.<get-x>' type=<root>.TestAnn origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/catchParameterInTopLevelProperty.fir.txt b/compiler/testData/ir/irText/declarations/catchParameterInTopLevelProperty.fir.txt
index c30aaef4353..19ea776ac1a 100644
--- a/compiler/testData/ir/irText/declarations/catchParameterInTopLevelProperty.fir.txt
+++ b/compiler/testData/ir/irText/declarations/catchParameterInTopLevelProperty.fir.txt
@@ -1,6 +1,6 @@
 FILE fqName:<root> fileName:/catchParameterInTopLevelProperty.kt
   PROPERTY name:test visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Unit visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Unit visibility:private [final,static]
       EXPRESSION_BODY
         TRY type=kotlin.Unit
           try: BLOCK type=kotlin.Unit origin=null
@@ -11,4 +11,5 @@ FILE fqName:<root> fileName:/catchParameterInTopLevelProperty.kt
       correspondingProperty: PROPERTY name:test visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test> (): kotlin.Unit declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Unit visibility:public [final,static]' type=kotlin.Unit origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Unit visibility:private [final,static]' type=kotlin.Unit origin=null
+
diff --git a/compiler/testData/ir/irText/declarations/constValInitializers.fir.txt b/compiler/testData/ir/irText/declarations/constValInitializers.fir.txt
index 44ba8e1e373..1e4326b3168 100644
--- a/compiler/testData/ir/irText/declarations/constValInitializers.fir.txt
+++ b/compiler/testData/ir/irText/declarations/constValInitializers.fir.txt
@@ -1,24 +1,24 @@
 FILE fqName:<root> fileName:/constValInitializers.kt
   PROPERTY name:I0 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:I0 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:I0 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-I0> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:I0 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-I0> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:I0 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:I0 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:I1 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:I1 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:I1 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-I1> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:I1 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-I1> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:I1 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:I1 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:I2 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:I2 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:I2 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun plus (other: kotlin.Int): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
           $this: CALL 'public final fun plus (other: kotlin.Int): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
@@ -29,18 +29,18 @@ FILE fqName:<root> fileName:/constValInitializers.kt
       correspondingProperty: PROPERTY name:I2 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-I2> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:I2 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:I2 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:STR1 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:STR1 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:STR1 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="String1"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-STR1> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:STR1 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-STR1> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:STR1 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:STR1 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:STR2 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:STR2 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:STR2 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun plus (other: kotlin.Any?): kotlin.String declared in kotlin.String' type=kotlin.String origin=null
           $this: CONST String type=kotlin.String value="String"
@@ -49,9 +49,9 @@ FILE fqName:<root> fileName:/constValInitializers.kt
       correspondingProperty: PROPERTY name:STR2 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-STR2> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:STR2 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:STR2 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:STR3 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:STR3 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:STR3 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun plus (other: kotlin.Any?): kotlin.String declared in kotlin.String' type=kotlin.String origin=null
           $this: CALL 'public final fun <get-STR1> (): kotlin.String declared in <root>' type=kotlin.String origin=null
@@ -60,9 +60,9 @@ FILE fqName:<root> fileName:/constValInitializers.kt
       correspondingProperty: PROPERTY name:STR3 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-STR3> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:STR3 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:STR3 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:STR4 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:STR4 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:STR4 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         STRING_CONCATENATION type=kotlin.String
           CALL 'public final fun <get-STR1> (): kotlin.String declared in <root>' type=kotlin.String origin=null
@@ -71,4 +71,5 @@ FILE fqName:<root> fileName:/constValInitializers.kt
       correspondingProperty: PROPERTY name:STR4 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-STR4> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:STR4 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:STR4 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
+
diff --git a/compiler/testData/ir/irText/declarations/fakeOverrides.fir.txt b/compiler/testData/ir/irText/declarations/fakeOverrides.fir.txt
index 0c74333481f..069985e45af 100644
--- a/compiler/testData/ir/irText/declarations/fakeOverrides.fir.txt
+++ b/compiler/testData/ir/irText/declarations/fakeOverrides.fir.txt
@@ -68,7 +68,7 @@ FILE fqName:<root> fileName:/fakeOverrides.kt
           <T>: <none>
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test1 modality:FINAL visibility:public superTypes:[<root>.CFoo<kotlin.String>; <root>.IFooStr; <root>.IBar]'
     PROPERTY name:bar visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=42
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-bar> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:kotlin.Int
@@ -76,7 +76,7 @@ FILE fqName:<root> fileName:/fakeOverrides.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-bar> (): kotlin.Int declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-bar>' type=<root>.Test1 origin=null
     FUN FAKE_OVERRIDE name:foo visibility:public modality:FINAL <> ($this:<root>.CFoo, x:kotlin.String) returnType:kotlin.Unit
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/fileWithAnnotations.fir.txt b/compiler/testData/ir/irText/declarations/fileWithAnnotations.fir.txt
deleted file mode 100644
index 6186187ff64..00000000000
--- a/compiler/testData/ir/irText/declarations/fileWithAnnotations.fir.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-FILE fqName:<root> fileName:/fileWithAnnotations.kt
-  annotations:
-    JvmName(name = 'FileWithAnnotations')
-  FUN name:foo visibility:public modality:FINAL <> () returnType:kotlin.Unit
-    BLOCK_BODY
-  PROPERTY name:bar visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final,static]
-      EXPRESSION_BODY
-        CONST Int type=kotlin.Int value=42
-    FUN DEFAULT_PROPERTY_ACCESSOR name:<get-bar> visibility:public modality:FINAL <> () returnType:kotlin.Int
-      correspondingProperty: PROPERTY name:bar visibility:public modality:FINAL [val]
-      BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun <get-bar> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
diff --git a/compiler/testData/ir/irText/declarations/fileWithAnnotations.kt b/compiler/testData/ir/irText/declarations/fileWithAnnotations.kt
index 9a773aa6858..c806d38d131 100644
--- a/compiler/testData/ir/irText/declarations/fileWithAnnotations.kt
+++ b/compiler/testData/ir/irText/declarations/fileWithAnnotations.kt
@@ -1,4 +1,5 @@
 // WITH_RUNTIME
+// FIR_IDENTICAL
 @file:JvmName("FileWithAnnotations")
 
 fun foo() {}
diff --git a/compiler/testData/ir/irText/declarations/kt29833.fir.txt b/compiler/testData/ir/irText/declarations/kt29833.fir.txt
index aa0ba8a8566..14cfbdb56b3 100644
--- a/compiler/testData/ir/irText/declarations/kt29833.fir.txt
+++ b/compiler/testData/ir/irText/declarations/kt29833.fir.txt
@@ -6,7 +6,7 @@ FILE fqName:interop fileName:/Definitions.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:Definitions modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:KT_CONSTANT visibility:public modality:FINAL [const,val]
-      FIELD PROPERTY_BACKING_FIELD name:KT_CONSTANT type:kotlin.String? visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:KT_CONSTANT type:kotlin.String? visibility:private [final]
         EXPRESSION_BODY
           GET_FIELD 'FIELD IR_EXTERNAL_JAVA_DECLARATION_STUB name:CONSTANT type:kotlin.String? visibility:public [final,static]' type=kotlin.String? origin=GET_PROPERTY
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-KT_CONSTANT> visibility:public modality:FINAL <> ($this:interop.Definitions) returnType:kotlin.String?
@@ -14,10 +14,10 @@ FILE fqName:interop fileName:/Definitions.kt
         $this: VALUE_PARAMETER name:<this> type:interop.Definitions
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-KT_CONSTANT> (): kotlin.String? declared in interop.Definitions'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:KT_CONSTANT type:kotlin.String? visibility:public [final]' type=kotlin.String? origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:KT_CONSTANT type:kotlin.String? visibility:private [final]' type=kotlin.String? origin=null
               receiver: GET_VAR '<this>: interop.Definitions declared in interop.Definitions.<get-KT_CONSTANT>' type=interop.Definitions origin=null
     PROPERTY name:ktValue visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:ktValue type:kotlin.String? visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:ktValue type:kotlin.String? visibility:private [final]
         EXPRESSION_BODY
           GET_FIELD 'FIELD IR_EXTERNAL_JAVA_DECLARATION_STUB name:CONSTANT type:kotlin.String? visibility:public [final,static]' type=kotlin.String? origin=GET_PROPERTY
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-ktValue> visibility:public modality:FINAL <> ($this:interop.Definitions) returnType:kotlin.String?
@@ -25,7 +25,7 @@ FILE fqName:interop fileName:/Definitions.kt
         $this: VALUE_PARAMETER name:<this> type:interop.Definitions
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-ktValue> (): kotlin.String? declared in interop.Definitions'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ktValue type:kotlin.String? visibility:public [final]' type=kotlin.String? origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ktValue type:kotlin.String? visibility:private [final]' type=kotlin.String? origin=null
               receiver: GET_VAR '<this>: interop.Definitions declared in interop.Definitions.<get-ktValue>' type=interop.Definitions origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/localClassWithOverrides.fir.txt b/compiler/testData/ir/irText/declarations/localClassWithOverrides.fir.txt
index f0faa2ec558..53d6d9d8412 100644
--- a/compiler/testData/ir/irText/declarations/localClassWithOverrides.fir.txt
+++ b/compiler/testData/ir/irText/declarations/localClassWithOverrides.fir.txt
@@ -31,7 +31,7 @@ FILE fqName:<root> fileName:/localClassWithOverrides.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.outer.Local
           BLOCK_BODY
         PROPERTY name:aval visibility:public modality:FINAL [val]
-          FIELD PROPERTY_BACKING_FIELD name:aval type:kotlin.Int visibility:public [final]
+          FIELD PROPERTY_BACKING_FIELD name:aval type:kotlin.Int visibility:private [final]
             EXPRESSION_BODY
               CONST Int type=kotlin.Int value=1
           FUN DEFAULT_PROPERTY_ACCESSOR name:<get-aval> visibility:public modality:FINAL <> ($this:<root>.outer.Local) returnType:kotlin.Int
@@ -39,10 +39,10 @@ FILE fqName:<root> fileName:/localClassWithOverrides.kt
             $this: VALUE_PARAMETER name:<this> type:<root>.outer.Local
             BLOCK_BODY
               RETURN type=kotlin.Nothing from='public final fun <get-aval> (): kotlin.Int declared in <root>.outer.Local'
-                GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:aval type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+                GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:aval type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
                   receiver: GET_VAR '<this>: <root>.outer.Local declared in <root>.outer.Local.<get-aval>' type=<root>.outer.Local origin=null
         PROPERTY name:avar visibility:public modality:FINAL [var]
-          FIELD PROPERTY_BACKING_FIELD name:avar type:kotlin.Int visibility:public
+          FIELD PROPERTY_BACKING_FIELD name:avar type:kotlin.Int visibility:private
             EXPRESSION_BODY
               CONST Int type=kotlin.Int value=2
           FUN DEFAULT_PROPERTY_ACCESSOR name:<get-avar> visibility:public modality:FINAL <> ($this:<root>.outer.Local) returnType:kotlin.Int
@@ -50,13 +50,13 @@ FILE fqName:<root> fileName:/localClassWithOverrides.kt
             $this: VALUE_PARAMETER name:<this> type:<root>.outer.Local
             BLOCK_BODY
               RETURN type=kotlin.Nothing from='public final fun <get-avar> (): kotlin.Int declared in <root>.outer.Local'
-                GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:avar type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+                GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:avar type:kotlin.Int visibility:private' type=kotlin.Int origin=null
                   receiver: GET_VAR '<this>: <root>.outer.Local declared in <root>.outer.Local.<get-avar>' type=<root>.outer.Local origin=null
           FUN DEFAULT_PROPERTY_ACCESSOR name:<set-avar> visibility:public modality:FINAL <> ($this:<root>.outer.Local, <set-?>:kotlin.Int) returnType:kotlin.Unit
             correspondingProperty: PROPERTY name:avar visibility:public modality:FINAL [var]
             $this: VALUE_PARAMETER name:<this> type:<root>.outer.Local
             VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
             BLOCK_BODY
-              SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:avar type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+              SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:avar type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                 receiver: GET_VAR '<this>: <root>.outer.Local declared in <root>.outer.Local.<set-avar>' type=<root>.outer.Local origin=null
                 value: GET_VAR '<set-?>: kotlin.Int declared in <root>.outer.Local.<set-avar>' type=kotlin.Int origin=null
diff --git a/compiler/testData/ir/irText/declarations/packageLevelProperties.fir.txt b/compiler/testData/ir/irText/declarations/packageLevelProperties.fir.txt
index 32c2c13eabb..1e64f5bf6c5 100644
--- a/compiler/testData/ir/irText/declarations/packageLevelProperties.fir.txt
+++ b/compiler/testData/ir/irText/declarations/packageLevelProperties.fir.txt
@@ -1,13 +1,13 @@
 FILE fqName:<root> fileName:/packageLevelProperties.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
     FUN name:<get-test2> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
@@ -15,49 +15,49 @@ FILE fqName:<root> fileName:/packageLevelProperties.kt
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Int declared in <root>'
           CONST Int type=kotlin.Int value=0
   PROPERTY name:test3 visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test3> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-test3> visibility:public modality:FINAL <> (<set-?>:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.Int declared in <root>.<set-test3>' type=kotlin.Int origin=null
   PROPERTY name:test4 visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test4> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test4> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN name:<set-test4> visibility:public modality:FINAL <> (value:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:value index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR 'value: kotlin.Int declared in <root>.<set-test4>' type=kotlin.Int origin=null
   PROPERTY name:test5 visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test5> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test5 visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test5> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN name:<set-test5> visibility:private modality:FINAL <> (value:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:test5 visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:value index:0 type:kotlin.Int
   PROPERTY name:test6 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN name:<get-test6> visibility:public modality:FINAL <> () returnType:kotlin.Int
diff --git a/compiler/testData/ir/irText/declarations/parameters/constructor.fir.txt b/compiler/testData/ir/irText/declarations/parameters/constructor.fir.txt
index 4948971d123..8824edf0955 100644
--- a/compiler/testData/ir/irText/declarations/parameters/constructor.fir.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/constructor.fir.txt
@@ -10,7 +10,7 @@ FILE fqName:<root> fileName:/constructor.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test1 modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:T1 of <root>.Test1 visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:T1 of <root>.Test1 visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: T1 of <uninitialized parent> declared in <root>.Test1.<init>' type=T1 of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:T1 of <root>.Test1
@@ -18,10 +18,10 @@ FILE fqName:<root> fileName:/constructor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): T1 of <root>.Test1 declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T1 of <root>.Test1 visibility:public [final]' type=T1 of <root>.Test1 origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T1 of <root>.Test1 visibility:private [final]' type=T1 of <root>.Test1 origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-x>' type=<root>.Test1 origin=null
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:T2 of <root>.Test1 visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:T2 of <root>.Test1 visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: T2 of <uninitialized parent> declared in <root>.Test1.<init>' type=T2 of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:T2 of <root>.Test1
@@ -29,7 +29,7 @@ FILE fqName:<root> fileName:/constructor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): T2 of <root>.Test1 declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:T2 of <root>.Test1 visibility:public [final]' type=T2 of <root>.Test1 origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:T2 of <root>.Test1 visibility:private [final]' type=T2 of <root>.Test1 origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-y>' type=<root>.Test1 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -53,7 +53,7 @@ FILE fqName:<root> fileName:/constructor.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test2 modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.String declared in <root>.Test2.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.Test2) returnType:kotlin.String
@@ -61,7 +61,7 @@ FILE fqName:<root> fileName:/constructor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test2
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.String declared in <root>.Test2'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.Test2 declared in <root>.Test2.<get-y>' type=<root>.Test2 origin=null
     CLASS CLASS name:TestInner modality:FINAL visibility:public [inner] superTypes:[kotlin.Any]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Test2.TestInner
@@ -72,7 +72,7 @@ FILE fqName:<root> fileName:/constructor.kt
           DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestInner modality:FINAL visibility:public [inner] superTypes:[kotlin.Any]'
       PROPERTY name:z visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:z type:Z of <root>.Test2.TestInner visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:z type:Z of <root>.Test2.TestInner visibility:private [final]
           EXPRESSION_BODY
             GET_VAR 'z: Z of <uninitialized parent> declared in <root>.Test2.TestInner.<init>' type=Z of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-z> visibility:public modality:FINAL <> ($this:<root>.Test2.TestInner) returnType:Z of <root>.Test2.TestInner
@@ -80,7 +80,7 @@ FILE fqName:<root> fileName:/constructor.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Test2.TestInner
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-z> (): Z of <root>.Test2.TestInner declared in <root>.Test2.TestInner'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:Z of <root>.Test2.TestInner visibility:public [final]' type=Z of <root>.Test2.TestInner origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:z type:Z of <root>.Test2.TestInner visibility:private [final]' type=Z of <root>.Test2.TestInner origin=null
                 receiver: GET_VAR '<this>: <root>.Test2.TestInner declared in <root>.Test2.TestInner.<get-z>' type=<root>.Test2.TestInner origin=null
       CONSTRUCTOR visibility:public <> (z:Z of <uninitialized parent>, i:kotlin.Int) returnType:<root>.Test2.TestInner<Z of <uninitialized parent>>
         VALUE_PARAMETER name:z index:0 type:Z of <uninitialized parent>
@@ -126,7 +126,7 @@ FILE fqName:<root> fileName:/constructor.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test3 modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test3.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.Int
@@ -134,10 +134,10 @@ FILE fqName:<root> fileName:/constructor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test3
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test3'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-x>' type=<root>.Test3 origin=null
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.String declared in <root>.Test3.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.Test3) returnType:kotlin.String
@@ -145,7 +145,7 @@ FILE fqName:<root> fileName:/constructor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test3
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.String declared in <root>.Test3'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.Test3 declared in <root>.Test3.<get-y>' type=<root>.Test3 origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -169,7 +169,7 @@ FILE fqName:<root> fileName:/constructor.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test4 modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Test4.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test4) returnType:kotlin.Int
@@ -177,7 +177,7 @@ FILE fqName:<root> fileName:/constructor.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test4
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test4'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Test4 declared in <root>.Test4.<get-x>' type=<root>.Test4 origin=null
     CONSTRUCTOR visibility:public <> (x:kotlin.Int, y:kotlin.Int) returnType:<root>.Test4<T of <uninitialized parent>>
       VALUE_PARAMETER name:x index:0 type:kotlin.Int
diff --git a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.txt b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.txt
index f32d8dd56df..2d318084866 100644
--- a/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/dataClassMembers.fir.txt
@@ -11,7 +11,7 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: T of <uninitialized parent> declared in <root>.Test.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test) returnType:T of <root>.Test
@@ -19,10 +19,10 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): T of <root>.Test declared in <root>.Test'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test visibility:public [final]' type=T of <root>.Test origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Test visibility:private [final]' type=T of <root>.Test origin=null
               receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.<get-x>' type=<root>.Test origin=null
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.String declared in <root>.Test.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.Test) returnType:kotlin.String
@@ -30,7 +30,7 @@ FILE fqName:<root> fileName:/dataClassMembers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.String declared in <root>.Test'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.<get-y>' type=<root>.Test origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.Test) returnType:T of <root>.Test
       $this: VALUE_PARAMETER name:<this> type:<root>.Test
diff --git a/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.fir.txt b/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.fir.txt
index 80a21bf8a1d..17811bd71ab 100644
--- a/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.fir.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/defaultPropertyAccessors.fir.txt
@@ -1,27 +1,27 @@
 FILE fqName:<root> fileName:/defaultPropertyAccessors.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=42
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=42
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-test2> visibility:public modality:FINAL <> (<set-?>:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.Int declared in <root>.<set-test2>' type=kotlin.Int origin=null
   CLASS CLASS name:Host modality:FINAL visibility:public superTypes:[kotlin.Any]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Host
@@ -30,7 +30,7 @@ FILE fqName:<root> fileName:/defaultPropertyAccessors.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Host modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:testMember1 visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:testMember1 type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:testMember1 type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=42
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testMember1> visibility:public modality:FINAL <> ($this:<root>.Host) returnType:kotlin.Int
@@ -38,10 +38,10 @@ FILE fqName:<root> fileName:/defaultPropertyAccessors.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Host
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-testMember1> (): kotlin.Int declared in <root>.Host'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testMember1 type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testMember1 type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Host declared in <root>.Host.<get-testMember1>' type=<root>.Host origin=null
     PROPERTY name:testMember2 visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:testMember2 type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:testMember2 type:kotlin.Int visibility:private
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=42
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testMember2> visibility:public modality:FINAL <> ($this:<root>.Host) returnType:kotlin.Int
@@ -49,14 +49,14 @@ FILE fqName:<root> fileName:/defaultPropertyAccessors.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Host
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-testMember2> (): kotlin.Int declared in <root>.Host'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testMember2 type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testMember2 type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Host declared in <root>.Host.<get-testMember2>' type=<root>.Host origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-testMember2> visibility:public modality:FINAL <> ($this:<root>.Host, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:testMember2 visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.Host
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testMember2 type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testMember2 type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Host declared in <root>.Host.<set-testMember2>' type=<root>.Host origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.Host.<set-testMember2>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -84,7 +84,7 @@ FILE fqName:<root> fileName:/defaultPropertyAccessors.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:InPrimaryCtor modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:testInPrimaryCtor1 visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor1 type:T of <root>.InPrimaryCtor visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor1 type:T of <root>.InPrimaryCtor visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'testInPrimaryCtor1: T of <uninitialized parent> declared in <root>.InPrimaryCtor.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testInPrimaryCtor1> visibility:public modality:FINAL <> ($this:<root>.InPrimaryCtor) returnType:T of <root>.InPrimaryCtor
@@ -92,10 +92,10 @@ FILE fqName:<root> fileName:/defaultPropertyAccessors.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.InPrimaryCtor
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-testInPrimaryCtor1> (): T of <root>.InPrimaryCtor declared in <root>.InPrimaryCtor'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor1 type:T of <root>.InPrimaryCtor visibility:public [final]' type=T of <root>.InPrimaryCtor origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor1 type:T of <root>.InPrimaryCtor visibility:private [final]' type=T of <root>.InPrimaryCtor origin=null
               receiver: GET_VAR '<this>: <root>.InPrimaryCtor declared in <root>.InPrimaryCtor.<get-testInPrimaryCtor1>' type=<root>.InPrimaryCtor origin=null
     PROPERTY name:testInPrimaryCtor2 visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor2 type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor2 type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'testInPrimaryCtor2: kotlin.Int declared in <root>.InPrimaryCtor.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testInPrimaryCtor2> visibility:public modality:FINAL <> ($this:<root>.InPrimaryCtor) returnType:kotlin.Int
@@ -103,14 +103,14 @@ FILE fqName:<root> fileName:/defaultPropertyAccessors.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.InPrimaryCtor
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-testInPrimaryCtor2> (): kotlin.Int declared in <root>.InPrimaryCtor'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor2 type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor2 type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.InPrimaryCtor declared in <root>.InPrimaryCtor.<get-testInPrimaryCtor2>' type=<root>.InPrimaryCtor origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-testInPrimaryCtor2> visibility:public modality:FINAL <> ($this:<root>.InPrimaryCtor, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:testInPrimaryCtor2 visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.InPrimaryCtor
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor2 type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testInPrimaryCtor2 type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.InPrimaryCtor declared in <root>.InPrimaryCtor.<set-testInPrimaryCtor2>' type=<root>.InPrimaryCtor origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.InPrimaryCtor.<set-testInPrimaryCtor2>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
diff --git a/compiler/testData/ir/irText/declarations/parameters/lambdas.fir.txt b/compiler/testData/ir/irText/declarations/parameters/lambdas.fir.txt
index 4afe887efde..54112a2a5f9 100644
--- a/compiler/testData/ir/irText/declarations/parameters/lambdas.fir.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/lambdas.fir.txt
@@ -1,6 +1,6 @@
 FILE fqName:<root> fileName:/lambdas.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function1<kotlin.String, kotlin.String> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function1<kotlin.String, kotlin.String> visibility:private [final,static]
       EXPRESSION_BODY
         FUN_EXPR type=kotlin.Function1<kotlin.String, kotlin.String> origin=LAMBDA
           FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> (it:kotlin.String) returnType:kotlin.String
@@ -11,9 +11,9 @@ FILE fqName:<root> fileName:/lambdas.kt
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Function1<kotlin.String, kotlin.String> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function1<kotlin.String, kotlin.String> visibility:public [final,static]' type=kotlin.Function1<kotlin.String, kotlin.String> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function1<kotlin.String, kotlin.String> visibility:private [final,static]' type=kotlin.Function1<kotlin.String, kotlin.String> origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function2<kotlin.Any, kotlin.Any, kotlin.Any> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function2<kotlin.Any, kotlin.Any, kotlin.Any> visibility:private [final,static]
       EXPRESSION_BODY
         FUN_EXPR type=kotlin.Function0<IrErrorType> origin=LAMBDA
           FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:IrErrorType
@@ -23,9 +23,9 @@ FILE fqName:<root> fileName:/lambdas.kt
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Function2<kotlin.Any, kotlin.Any, kotlin.Any> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function2<kotlin.Any, kotlin.Any, kotlin.Any> visibility:public [final,static]' type=kotlin.Function2<kotlin.Any, kotlin.Any, kotlin.Any> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function2<kotlin.Any, kotlin.Any, kotlin.Any> visibility:private [final,static]' type=kotlin.Function2<kotlin.Any, kotlin.Any, kotlin.Any> origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> visibility:private [final,static]
       EXPRESSION_BODY
         FUN_EXPR type=kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> origin=LAMBDA
           FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> (i:kotlin.Int, j:kotlin.Int) returnType:kotlin.Unit
@@ -37,9 +37,9 @@ FILE fqName:<root> fileName:/lambdas.kt
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> visibility:public [final,static]' type=kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> visibility:private [final,static]' type=kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> origin=null
   PROPERTY name:test4 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> visibility:private [final,static]
       EXPRESSION_BODY
         FUN_EXPR type=kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> origin=LAMBDA
           FUN name:<no name provided> visibility:local modality:FINAL <> (i:kotlin.Int, j:kotlin.Int) returnType:kotlin.Unit
@@ -50,4 +50,5 @@ FILE fqName:<root> fileName:/lambdas.kt
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test4> (): kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> visibility:public [final,static]' type=kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> visibility:private [final,static]' type=kotlin.Function2<kotlin.Int, kotlin.Int, kotlin.Unit> origin=null
+
diff --git a/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.fir.txt b/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.fir.txt
deleted file mode 100644
index d38e761d9da..00000000000
--- a/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.fir.txt
+++ /dev/null
@@ -1,34 +0,0 @@
-FILE fqName:<root> fileName:/primaryCtorDefaultArguments.kt
-  CLASS CLASS name:Test modality:FINAL visibility:public superTypes:[kotlin.Any]
-    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Test
-    CONSTRUCTOR visibility:public <> (x:kotlin.Int) returnType:<root>.Test [primary]
-      VALUE_PARAMETER name:x index:0 type:kotlin.Int
-        EXPRESSION_BODY
-          CONST Int type=kotlin.Int value=0
-      BLOCK_BODY
-        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test modality:FINAL visibility:public superTypes:[kotlin.Any]'
-    PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
-        EXPRESSION_BODY
-          GET_VAR 'x: kotlin.Int declared in <root>.Test.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
-      FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Test) returnType:kotlin.Int
-        correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [val]
-        $this: VALUE_PARAMETER name:<this> type:<root>.Test
-        BLOCK_BODY
-          RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Test'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
-              receiver: GET_VAR '<this>: <root>.Test declared in <root>.Test.<get-x>' type=<root>.Test origin=null
-    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
-      overridden:
-        public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
-    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int
-      overridden:
-        public open fun hashCode (): kotlin.Int declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String
-      overridden:
-        public open fun toString (): kotlin.String declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
diff --git a/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.kt b/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.kt
index 600e99d57f9..7fd8f93c318 100644
--- a/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.kt
+++ b/compiler/testData/ir/irText/declarations/primaryCtorDefaultArguments.kt
@@ -1 +1,2 @@
+// FIR_IDENTICAL
 class Test(val x: Int = 0)
\ No newline at end of file
diff --git a/compiler/testData/ir/irText/declarations/primaryCtorProperties.fir.txt b/compiler/testData/ir/irText/declarations/primaryCtorProperties.fir.txt
deleted file mode 100644
index 20d10f76b20..00000000000
--- a/compiler/testData/ir/irText/declarations/primaryCtorProperties.fir.txt
+++ /dev/null
@@ -1,52 +0,0 @@
-FILE fqName:<root> fileName:/primaryCtorProperties.kt
-  CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]
-    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.C
-    CONSTRUCTOR visibility:public <> (test1:kotlin.Int, test2:kotlin.Int) returnType:<root>.C [primary]
-      VALUE_PARAMETER name:test1 index:0 type:kotlin.Int
-      VALUE_PARAMETER name:test2 index:1 type:kotlin.Int
-      BLOCK_BODY
-        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]'
-    PROPERTY name:test1 visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final]
-        EXPRESSION_BODY
-          GET_VAR 'test1: kotlin.Int declared in <root>.C.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
-      FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
-        correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
-        $this: VALUE_PARAMETER name:<this> type:<root>.C
-        BLOCK_BODY
-          RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
-              receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-test1>' type=<root>.C origin=null
-    PROPERTY name:test2 visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public
-        EXPRESSION_BODY
-          GET_VAR 'test2: kotlin.Int declared in <root>.C.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
-      FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
-        correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [var]
-        $this: VALUE_PARAMETER name:<this> type:<root>.C
-        BLOCK_BODY
-          RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public' type=kotlin.Int origin=null
-              receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-test2>' type=<root>.C origin=null
-      FUN DEFAULT_PROPERTY_ACCESSOR name:<set-test2> visibility:public modality:FINAL <> ($this:<root>.C, <set-?>:kotlin.Int) returnType:kotlin.Unit
-        correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [var]
-        $this: VALUE_PARAMETER name:<this> type:<root>.C
-        VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
-        BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
-            receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<set-test2>' type=<root>.C origin=null
-            value: GET_VAR '<set-?>: kotlin.Int declared in <root>.C.<set-test2>' type=kotlin.Int origin=null
-    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
-      overridden:
-        public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
-    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int
-      overridden:
-        public open fun hashCode (): kotlin.Int declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String
-      overridden:
-        public open fun toString (): kotlin.String declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
diff --git a/compiler/testData/ir/irText/declarations/primaryCtorProperties.kt b/compiler/testData/ir/irText/declarations/primaryCtorProperties.kt
index 5a322a49d6d..51a8ba43bde 100644
--- a/compiler/testData/ir/irText/declarations/primaryCtorProperties.kt
+++ b/compiler/testData/ir/irText/declarations/primaryCtorProperties.kt
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 class C(
         val test1: Int,
         var test2: Int
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.fir.txt b/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.fir.txt
index 37ae51be392..7c25469feca 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.fir.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/differentReceivers.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/differentReceivers.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:MyClass modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.String declared in <root>.MyClass.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.MyClass) returnType:kotlin.String
@@ -15,7 +15,7 @@ FILE fqName:<root> fileName:/differentReceivers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.MyClass
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.String declared in <root>.MyClass'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.MyClass declared in <root>.MyClass.<get-value>' type=<root>.MyClass origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -74,7 +74,7 @@ FILE fqName:<root> fileName:/differentReceivers.kt
             receiver: CONST Null type=kotlin.Nothing? value=null
             p: PROPERTY_REFERENCE 'public final testK: kotlin.String [delegated,val]' field='FIELD DELEGATE name:testK$delegate type:kotlin.String visibility:private [final,static]' getter=null setter=null type=kotlin.reflect.KProperty<*> origin=null
   PROPERTY name:testOK visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testOK type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testOK type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun plus (other: kotlin.Any?): kotlin.String declared in kotlin.String' type=kotlin.String origin=null
           $this: CALL 'public final fun <get-testO> (): kotlin.String declared in <root>' type=kotlin.String origin=null
@@ -83,4 +83,5 @@ FILE fqName:<root> fileName:/differentReceivers.kt
       correspondingProperty: PROPERTY name:testOK visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testOK> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testOK type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testOK type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
+
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/local.fir.txt b/compiler/testData/ir/irText/declarations/provideDelegate/local.fir.txt
index 579d2cc843e..014109480b2 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/local.fir.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/local.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/local.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Delegate modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.String declared in <root>.Delegate.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.Delegate) returnType:kotlin.String
@@ -15,7 +15,7 @@ FILE fqName:<root> fileName:/local.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Delegate
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.String declared in <root>.Delegate'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.Delegate declared in <root>.Delegate.<get-value>' type=<root>.Delegate origin=null
     FUN name:getValue visibility:public modality:FINAL <> ($this:<root>.Delegate, thisRef:kotlin.Any?, property:kotlin.Any?) returnType:kotlin.String
       $this: VALUE_PARAMETER name:<this> type:<root>.Delegate
@@ -46,7 +46,7 @@ FILE fqName:<root> fileName:/local.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:DelegateProvider modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.String declared in <root>.DelegateProvider.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.DelegateProvider) returnType:kotlin.String
@@ -54,7 +54,7 @@ FILE fqName:<root> fileName:/local.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.DelegateProvider
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.String declared in <root>.DelegateProvider'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.DelegateProvider declared in <root>.DelegateProvider.<get-value>' type=<root>.DelegateProvider origin=null
     FUN name:provideDelegate visibility:public modality:FINAL <> ($this:<root>.DelegateProvider, thisRef:kotlin.Any?, property:kotlin.Any?) returnType:<root>.Delegate
       $this: VALUE_PARAMETER name:<this> type:<root>.DelegateProvider
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.fir.txt b/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.fir.txt
index 99e572c2950..dae45cb5d24 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.fir.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/localDifferentReceivers.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/localDifferentReceivers.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:MyClass modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.String declared in <root>.MyClass.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.MyClass) returnType:kotlin.String
@@ -15,7 +15,7 @@ FILE fqName:<root> fileName:/localDifferentReceivers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.MyClass
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.String declared in <root>.MyClass'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.MyClass declared in <root>.MyClass.<get-value>' type=<root>.MyClass origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.fir.txt b/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.fir.txt
index 0a8f2c5905f..6237f3dd3f6 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.fir.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/memberExtension.fir.txt
@@ -13,7 +13,7 @@ FILE fqName:<root> fileName:/memberExtension.kt
           DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:StringDelegate modality:FINAL visibility:public superTypes:[kotlin.Any]'
       PROPERTY name:s visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String visibility:private [final]
           EXPRESSION_BODY
             GET_VAR 's: kotlin.String declared in <root>.Host.StringDelegate.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-s> visibility:public modality:FINAL <> ($this:<root>.Host.StringDelegate) returnType:kotlin.String
@@ -21,7 +21,7 @@ FILE fqName:<root> fileName:/memberExtension.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Host.StringDelegate
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-s> (): kotlin.String declared in <root>.Host.StringDelegate'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
                 receiver: GET_VAR '<this>: <root>.Host.StringDelegate declared in <root>.Host.StringDelegate.<get-s>' type=<root>.Host.StringDelegate origin=null
       FUN name:getValue visibility:public modality:FINAL <> ($this:<root>.Host.StringDelegate, receiver:kotlin.String, p:kotlin.Any) returnType:kotlin.String
         $this: VALUE_PARAMETER name:<this> type:<root>.Host.StringDelegate
@@ -71,7 +71,7 @@ FILE fqName:<root> fileName:/memberExtension.kt
               GET_VAR '<this>: <root>.Host declared in <root>.Host' type=<root>.Host origin=null
               PROPERTY_REFERENCE 'public final plusK: IrErrorType [delegated,val]' field='FIELD DELEGATE name:plusK$delegate type:<root>.Host.StringDelegate visibility:private [final]' getter=null setter=null type=kotlin.reflect.KProperty<*> origin=null
     PROPERTY name:ok visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:ok type:IrErrorType visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:ok type:IrErrorType visibility:private [final]
         EXPRESSION_BODY
           CALL 'public final fun <get-plusK> (): IrErrorType declared in <root>.Host' type=IrErrorType origin=null
             $this: GET_VAR '<this>: <root>.Host declared in <root>.Host' type=<root>.Host origin=null
@@ -80,7 +80,7 @@ FILE fqName:<root> fileName:/memberExtension.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Host
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-ok> (): IrErrorType declared in <root>.Host'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ok type:IrErrorType visibility:public [final]' type=IrErrorType origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ok type:IrErrorType visibility:private [final]' type=IrErrorType origin=null
               receiver: GET_VAR '<this>: <root>.Host declared in <root>.Host.<get-ok>' type=<root>.Host origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.fir.txt b/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.fir.txt
index 974d142e267..c8c788b3a68 100644
--- a/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.fir.txt
+++ b/compiler/testData/ir/irText/declarations/provideDelegate/topLevel.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/topLevel.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Delegate modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.String declared in <root>.Delegate.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.Delegate) returnType:kotlin.String
@@ -15,7 +15,7 @@ FILE fqName:<root> fileName:/topLevel.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Delegate
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.String declared in <root>.Delegate'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.Delegate declared in <root>.Delegate.<get-value>' type=<root>.Delegate origin=null
     FUN name:getValue visibility:public modality:FINAL <> ($this:<root>.Delegate, thisRef:kotlin.Any?, property:kotlin.Any?) returnType:kotlin.String
       $this: VALUE_PARAMETER name:<this> type:<root>.Delegate
@@ -46,7 +46,7 @@ FILE fqName:<root> fileName:/topLevel.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:DelegateProvider modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.String declared in <root>.DelegateProvider.<init>' type=kotlin.String origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.DelegateProvider) returnType:kotlin.String
@@ -54,7 +54,7 @@ FILE fqName:<root> fileName:/topLevel.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.DelegateProvider
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.String declared in <root>.DelegateProvider'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: <root>.DelegateProvider declared in <root>.DelegateProvider.<get-value>' type=<root>.DelegateProvider origin=null
     FUN name:provideDelegate visibility:public modality:FINAL <> ($this:<root>.DelegateProvider, thisRef:kotlin.Any?, property:kotlin.Any?) returnType:<root>.Delegate
       $this: VALUE_PARAMETER name:<this> type:<root>.DelegateProvider
diff --git a/compiler/testData/ir/irText/errors/unresolvedReference.fir.txt b/compiler/testData/ir/irText/errors/unresolvedReference.fir.txt
index 45f610ba4d1..3330f71e3c3 100644
--- a/compiler/testData/ir/irText/errors/unresolvedReference.fir.txt
+++ b/compiler/testData/ir/irText/errors/unresolvedReference.fir.txt
@@ -1,24 +1,24 @@
 FILE fqName:<root> fileName:/unresolvedReference.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unresolved reference: <Unresolved name: unresolved>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unresolved reference: <Unresolved name: unresolved>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unresolved reference: <Unresolved name: unresolved>#' type=IrErrorType
           CONST Int type=kotlin.Int value=56
@@ -26,9 +26,9 @@ FILE fqName:<root> fileName:/unresolvedReference.kt
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test4 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test4 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test4 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unresolved reference: <Ambiguity: times, [kotlin/Int.times, kotlin/Int.times, kotlin/Int.times, kotlin/Int.times, kotlin/Int.times, kotlin/Int.times]>#' type=IrErrorType
           ERROR_EXPR 'No right operand' type=IrErrorType
@@ -36,4 +36,5 @@ FILE fqName:<root> fileName:/unresolvedReference.kt
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test4> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/arrayAccess.fir.txt b/compiler/testData/ir/irText/expressions/arrayAccess.fir.txt
index e1501f3be08..9fa1dc39f1f 100644
--- a/compiler/testData/ir/irText/expressions/arrayAccess.fir.txt
+++ b/compiler/testData/ir/irText/expressions/arrayAccess.fir.txt
@@ -1,13 +1,13 @@
 FILE fqName:<root> fileName:/arrayAccess.kt
   PROPERTY name:p visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-p> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-p> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   FUN name:foo visibility:public modality:FINAL <> () returnType:kotlin.Int
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='public final fun foo (): kotlin.Int declared in <root>'
diff --git a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.fir.txt b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.fir.txt
index 088909553ca..ae9f8298bd7 100644
--- a/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.fir.txt
+++ b/compiler/testData/ir/irText/expressions/arrayAugmentedAssignment1.fir.txt
@@ -18,7 +18,7 @@ FILE fqName:<root> fileName:/arrayAugmentedAssignment1.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.IntArray visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.IntArray visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.IntArray declared in <root>.C.<init>' type=kotlin.IntArray origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.IntArray
@@ -26,7 +26,7 @@ FILE fqName:<root> fileName:/arrayAugmentedAssignment1.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.IntArray declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.IntArray visibility:public [final]' type=kotlin.IntArray origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.IntArray visibility:private [final]' type=kotlin.IntArray origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-x>' type=<root>.C origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/expressions/assignments.fir.txt b/compiler/testData/ir/irText/expressions/assignments.fir.txt
index 61f46f42ff1..d1fc16faac4 100644
--- a/compiler/testData/ir/irText/expressions/assignments.fir.txt
+++ b/compiler/testData/ir/irText/expressions/assignments.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/assignments.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Ref modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.Ref.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Ref) returnType:kotlin.Int
@@ -15,14 +15,14 @@ FILE fqName:<root> fileName:/assignments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Ref
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Ref'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Ref declared in <root>.Ref.<get-x>' type=<root>.Ref origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-x> visibility:public modality:FINAL <> ($this:<root>.Ref, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.Ref
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Ref declared in <root>.Ref.<set-x>' type=<root>.Ref origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.Ref.<set-x>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -51,6 +51,6 @@ FILE fqName:<root> fileName:/assignments.kt
   FUN name:test2 visibility:public modality:FINAL <> (r:<root>.Ref) returnType:kotlin.Unit
     VALUE_PARAMETER name:r index:0 type:<root>.Ref
     BLOCK_BODY
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
         receiver: GET_VAR 'r: <root>.Ref declared in <root>.test2' type=<root>.Ref origin=null
         value: CONST Int type=kotlin.Int value=0
diff --git a/compiler/testData/ir/irText/expressions/augmentedAssignment1.fir.txt b/compiler/testData/ir/irText/expressions/augmentedAssignment1.fir.txt
index fff46ebdb27..c8154b08939 100644
--- a/compiler/testData/ir/irText/expressions/augmentedAssignment1.fir.txt
+++ b/compiler/testData/ir/irText/expressions/augmentedAssignment1.fir.txt
@@ -1,18 +1,18 @@
 FILE fqName:<root> fileName:/augmentedAssignment1.kt
   PROPERTY name:p visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-p> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-p> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-p> visibility:public modality:FINAL <> (<set-?>:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.Int declared in <root>.<set-p>' type=kotlin.Int origin=null
   FUN name:testVariable visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
@@ -30,13 +30,13 @@ FILE fqName:<root> fileName:/augmentedAssignment1.kt
         CONST Int type=kotlin.Int value=5
   FUN name:testProperty visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
         value: CONST Int type=kotlin.Int value=1
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
         value: CONST Int type=kotlin.Int value=2
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
         value: CONST Int type=kotlin.Int value=3
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
         value: CONST Int type=kotlin.Int value=4
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
         value: CONST Int type=kotlin.Int value=5
diff --git a/compiler/testData/ir/irText/expressions/augmentedAssignment2.fir.txt b/compiler/testData/ir/irText/expressions/augmentedAssignment2.fir.txt
index 166b8899456..2000b7c021a 100644
--- a/compiler/testData/ir/irText/expressions/augmentedAssignment2.fir.txt
+++ b/compiler/testData/ir/irText/expressions/augmentedAssignment2.fir.txt
@@ -39,14 +39,14 @@ FILE fqName:<root> fileName:/augmentedAssignment2.kt
     VALUE_PARAMETER name:s index:0 type:kotlin.String
     BLOCK_BODY
   PROPERTY name:p visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:private [final,static]
       EXPRESSION_BODY
         CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.A' type=<root>.A origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-p> visibility:public modality:FINAL <> () returnType:<root>.A
       correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-p> (): <root>.A declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:public [final,static]' type=<root>.A origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:private [final,static]' type=<root>.A origin=null
   FUN name:testVariable visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
       VAR name:a type:<root>.A [val]
@@ -63,13 +63,13 @@ FILE fqName:<root> fileName:/augmentedAssignment2.kt
         CONST String type=<root>.A value="*="
   FUN name:testProperty visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:public [final,static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:private [final,static]' type=kotlin.Unit origin=null
         value: CONST String type=<root>.A value="+="
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:public [final,static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:private [final,static]' type=kotlin.Unit origin=null
         value: CONST String type=<root>.A value="-="
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:public [final,static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:private [final,static]' type=kotlin.Unit origin=null
         value: CONST String type=<root>.A value="*="
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:public [final,static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:private [final,static]' type=kotlin.Unit origin=null
         value: CONST String type=<root>.A value="/="
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:public [final,static]' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:<root>.A visibility:private [final,static]' type=kotlin.Unit origin=null
         value: CONST String type=<root>.A value="%="
diff --git a/compiler/testData/ir/irText/expressions/boundCallableReferences.fir.txt b/compiler/testData/ir/irText/expressions/boundCallableReferences.fir.txt
index b969e72ca1e..b6a303ec9dd 100644
--- a/compiler/testData/ir/irText/expressions/boundCallableReferences.fir.txt
+++ b/compiler/testData/ir/irText/expressions/boundCallableReferences.fir.txt
@@ -9,7 +9,7 @@ FILE fqName:<root> fileName:/boundCallableReferences.kt
       $this: VALUE_PARAMETER name:<this> type:<root>.A
       BLOCK_BODY
     PROPERTY name:bar visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=0
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-bar> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
@@ -17,7 +17,7 @@ FILE fqName:<root> fileName:/boundCallableReferences.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-bar> (): kotlin.Int declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-bar>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -36,29 +36,30 @@ FILE fqName:<root> fileName:/boundCallableReferences.kt
     $receiver: VALUE_PARAMETER name:<this> type:<root>.A
     BLOCK_BODY
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: R|/A.A|()::<Unresolved name: foo>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
-        PROPERTY_REFERENCE 'public final bar: kotlin.Int [val]' field='FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]' getter='public final fun <get-bar> (): kotlin.Int declared in <root>.A' setter=null type=kotlin.Int origin=null
+        PROPERTY_REFERENCE 'public final bar: kotlin.Int [val]' field='FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]' getter='public final fun <get-bar> (): kotlin.Int declared in <root>.A' setter=null type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: R|/A.A|()::<Unresolved name: qux>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test3> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/callableRefToGenericMember.fir.txt b/compiler/testData/ir/irText/expressions/callableRefToGenericMember.fir.txt
index 089b3344e75..7782fe24b3f 100644
--- a/compiler/testData/ir/irText/expressions/callableRefToGenericMember.fir.txt
+++ b/compiler/testData/ir/irText/expressions/callableRefToGenericMember.fir.txt
@@ -10,7 +10,7 @@ FILE fqName:<root> fileName:/callableRefToGenericMember.kt
       $this: VALUE_PARAMETER name:<this> type:<root>.A
       BLOCK_BODY
     PROPERTY name:bar visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=42
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-bar> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
@@ -18,7 +18,7 @@ FILE fqName:<root> fileName:/callableRefToGenericMember.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-bar> (): kotlin.Int declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-bar>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -34,20 +34,21 @@ FILE fqName:<root> fileName:/callableRefToGenericMember.kt
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: R|/A.A|<R|kotlin/String|>()::<Unresolved name: foo>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
-        PROPERTY_REFERENCE 'public final bar: kotlin.Int [val]' field='FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]' getter='public final fun <get-bar> (): kotlin.Int declared in <root>.A' setter=null type=kotlin.Int origin=null
+        PROPERTY_REFERENCE 'public final bar: kotlin.Int [val]' field='FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]' getter='public final fun <get-bar> (): kotlin.Int declared in <root>.A' setter=null type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/callableReferenceToImportedFromObject.fir.txt b/compiler/testData/ir/irText/expressions/callableReferenceToImportedFromObject.fir.txt
index 41fd8811ac1..08402a11ff3 100644
--- a/compiler/testData/ir/irText/expressions/callableReferenceToImportedFromObject.fir.txt
+++ b/compiler/testData/ir/irText/expressions/callableReferenceToImportedFromObject.fir.txt
@@ -6,7 +6,7 @@ FILE fqName:test fileName:/callableReferenceToImportedFromObject.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:Foo modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:a visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.String visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.String visibility:private [final]
         EXPRESSION_BODY
           CONST String type=kotlin.String value=""
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-a> visibility:public modality:FINAL <> ($this:test.Foo) returnType:kotlin.String
@@ -14,7 +14,7 @@ FILE fqName:test fileName:/callableReferenceToImportedFromObject.kt
         $this: VALUE_PARAMETER name:<this> type:test.Foo
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-a> (): kotlin.String declared in test.Foo'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
               receiver: GET_VAR '<this>: test.Foo declared in test.Foo.<get-a>' type=test.Foo origin=null
     FUN name:foo visibility:public modality:FINAL <> ($this:test.Foo) returnType:kotlin.String
       $this: VALUE_PARAMETER name:<this> type:test.Foo
@@ -35,38 +35,39 @@ FILE fqName:test fileName:/callableReferenceToImportedFromObject.kt
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
-        PROPERTY_REFERENCE 'public final a: kotlin.String [val]' field='FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.String visibility:public [final]' getter='public final fun <get-a> (): kotlin.String declared in test.Foo' setter=null type=kotlin.String origin=null
+        PROPERTY_REFERENCE 'public final a: kotlin.String [val]' field='FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.String visibility:private [final]' getter='public final fun <get-a> (): kotlin.String declared in test.Foo' setter=null type=kotlin.String origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.String declared in test'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test1a visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1a type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1a type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
-        PROPERTY_REFERENCE 'public final a: kotlin.String [val]' field='FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.String visibility:public [final]' getter='public final fun <get-a> (): kotlin.String declared in test.Foo' setter=null type=kotlin.String origin=null
+        PROPERTY_REFERENCE 'public final a: kotlin.String [val]' field='FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.String visibility:private [final]' getter='public final fun <get-a> (): kotlin.String declared in test.Foo' setter=null type=kotlin.String origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1a> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test1a visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1a> (): kotlin.String declared in test'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1a type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1a type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: ::<Unresolved name: foo>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): IrErrorType declared in test'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test2a visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2a type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2a type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: Q|test/Foo|::<Unresolved name: foo>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2a> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test2a visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2a> (): IrErrorType declared in test'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2a type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2a type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/callableReferenceTypeArguments.fir.txt b/compiler/testData/ir/irText/expressions/callableReferenceTypeArguments.fir.txt
index 1e56f3e40f6..fb6e579cb31 100644
--- a/compiler/testData/ir/irText/expressions/callableReferenceTypeArguments.fir.txt
+++ b/compiler/testData/ir/irText/expressions/callableReferenceTypeArguments.fir.txt
@@ -32,29 +32,30 @@ FILE fqName:<root> fileName:/callableReferenceTypeArguments.kt
     VALUE_PARAMETER name:x index:0 type:kotlin.collections.List<T of <root>.topLevel2>
     BLOCK_BODY
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function1<kotlin.Int, kotlin.Unit> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function1<kotlin.Int, kotlin.Unit> visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: ::<Unresolved name: topLevel1>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:kotlin.Function1<kotlin.Int, kotlin.Unit>
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Function1<kotlin.Int, kotlin.Unit> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function1<kotlin.Int, kotlin.Unit> visibility:public [final,static]' type=kotlin.Function1<kotlin.Int, kotlin.Unit> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function1<kotlin.Int, kotlin.Unit> visibility:private [final,static]' type=kotlin.Function1<kotlin.Int, kotlin.Unit> origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function1<kotlin.collections.List<kotlin.String>, kotlin.Unit> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function1<kotlin.collections.List<kotlin.String>, kotlin.Unit> visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: ::<Unresolved name: topLevel2>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> () returnType:kotlin.Function1<kotlin.collections.List<kotlin.String>, kotlin.Unit>
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Function1<kotlin.collections.List<kotlin.String>, kotlin.Unit> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function1<kotlin.collections.List<kotlin.String>, kotlin.Unit> visibility:public [final,static]' type=kotlin.Function1<kotlin.collections.List<kotlin.String>, kotlin.Unit> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function1<kotlin.collections.List<kotlin.String>, kotlin.Unit> visibility:private [final,static]' type=kotlin.Function1<kotlin.collections.List<kotlin.String>, kotlin.Unit> origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Function1<kotlin.Int, kotlin.Unit> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Function1<kotlin.Int, kotlin.Unit> visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: ::<Unresolved name: objectMember>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test3> visibility:public modality:FINAL <> () returnType:kotlin.Function1<kotlin.Int, kotlin.Unit>
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): kotlin.Function1<kotlin.Int, kotlin.Unit> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Function1<kotlin.Int, kotlin.Unit> visibility:public [final,static]' type=kotlin.Function1<kotlin.Int, kotlin.Unit> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Function1<kotlin.Int, kotlin.Unit> visibility:private [final,static]' type=kotlin.Function1<kotlin.Int, kotlin.Unit> origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/coercionToUnit.fir.txt b/compiler/testData/ir/irText/expressions/coercionToUnit.fir.txt
index 4554a665f4c..6fc6ac326d5 100644
--- a/compiler/testData/ir/irText/expressions/coercionToUnit.fir.txt
+++ b/compiler/testData/ir/irText/expressions/coercionToUnit.fir.txt
@@ -1,6 +1,6 @@
 FILE fqName:<root> fileName:/coercionToUnit.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function0<kotlin.Unit> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function0<kotlin.Unit> visibility:private [final,static]
       EXPRESSION_BODY
         FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
           FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit
@@ -10,7 +10,7 @@ FILE fqName:<root> fileName:/coercionToUnit.kt
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Function0<kotlin.Unit> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function0<kotlin.Unit> visibility:public [final,static]' type=kotlin.Function0<kotlin.Unit> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function0<kotlin.Unit> visibility:private [final,static]' type=kotlin.Function0<kotlin.Unit> origin=null
   FUN name:test2 visibility:public modality:FINAL <> (mc:kotlin.collections.MutableCollection<kotlin.String>) returnType:kotlin.Unit
     VALUE_PARAMETER name:mc index:0 type:kotlin.collections.MutableCollection<kotlin.String>
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.fir.txt b/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.fir.txt
index 8983688dfae..c8c9780ce5c 100644
--- a/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.fir.txt
+++ b/compiler/testData/ir/irText/expressions/complexAugmentedAssignment.fir.txt
@@ -6,7 +6,7 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:X1 modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x1 visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x1 type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x1 type:kotlin.Int visibility:private
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=0
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x1> visibility:public modality:FINAL <> ($this:<root>.X1) returnType:kotlin.Int
@@ -14,14 +14,14 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.X1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x1> (): kotlin.Int declared in <root>.X1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x1 type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x1 type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.X1 declared in <root>.X1.<get-x1>' type=<root>.X1 origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-x1> visibility:public modality:FINAL <> ($this:<root>.X1, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x1 visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.X1
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x1 type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x1 type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.X1 declared in <root>.X1.<set-x1>' type=<root>.X1 origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.X1.<set-x1>' type=kotlin.Int origin=null
     CLASS OBJECT name:X2 modality:FINAL visibility:public superTypes:[kotlin.Any]
@@ -31,7 +31,7 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
           DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:X2 modality:FINAL visibility:public superTypes:[kotlin.Any]'
       PROPERTY name:x2 visibility:public modality:FINAL [var]
-        FIELD PROPERTY_BACKING_FIELD name:x2 type:kotlin.Int visibility:public
+        FIELD PROPERTY_BACKING_FIELD name:x2 type:kotlin.Int visibility:private
           EXPRESSION_BODY
             CONST Int type=kotlin.Int value=0
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x2> visibility:public modality:FINAL <> ($this:<root>.X1.X2) returnType:kotlin.Int
@@ -39,14 +39,14 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.X1.X2
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-x2> (): kotlin.Int declared in <root>.X1.X2'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x2 type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x2 type:kotlin.Int visibility:private' type=kotlin.Int origin=null
                 receiver: GET_VAR '<this>: <root>.X1.X2 declared in <root>.X1.X2.<get-x2>' type=<root>.X1.X2 origin=null
         FUN DEFAULT_PROPERTY_ACCESSOR name:<set-x2> visibility:public modality:FINAL <> ($this:<root>.X1.X2, <set-?>:kotlin.Int) returnType:kotlin.Unit
           correspondingProperty: PROPERTY name:x2 visibility:public modality:FINAL [var]
           $this: VALUE_PARAMETER name:<this> type:<root>.X1.X2
           VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
           BLOCK_BODY
-            SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x2 type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+            SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x2 type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
               receiver: GET_VAR '<this>: <root>.X1.X2 declared in <root>.X1.X2.<set-x2>' type=<root>.X1.X2 origin=null
               value: GET_VAR '<set-?>: kotlin.Int declared in <root>.X1.X2.<set-x2>' type=kotlin.Int origin=null
       CLASS OBJECT name:X3 modality:FINAL visibility:public superTypes:[kotlin.Any]
@@ -56,7 +56,7 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
             DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
             INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:X3 modality:FINAL visibility:public superTypes:[kotlin.Any]'
         PROPERTY name:x3 visibility:public modality:FINAL [var]
-          FIELD PROPERTY_BACKING_FIELD name:x3 type:kotlin.Int visibility:public
+          FIELD PROPERTY_BACKING_FIELD name:x3 type:kotlin.Int visibility:private
             EXPRESSION_BODY
               CONST Int type=kotlin.Int value=0
           FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x3> visibility:public modality:FINAL <> ($this:<root>.X1.X2.X3) returnType:kotlin.Int
@@ -64,14 +64,14 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
             $this: VALUE_PARAMETER name:<this> type:<root>.X1.X2.X3
             BLOCK_BODY
               RETURN type=kotlin.Nothing from='public final fun <get-x3> (): kotlin.Int declared in <root>.X1.X2.X3'
-                GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x3 type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+                GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x3 type:kotlin.Int visibility:private' type=kotlin.Int origin=null
                   receiver: GET_VAR '<this>: <root>.X1.X2.X3 declared in <root>.X1.X2.X3.<get-x3>' type=<root>.X1.X2.X3 origin=null
           FUN DEFAULT_PROPERTY_ACCESSOR name:<set-x3> visibility:public modality:FINAL <> ($this:<root>.X1.X2.X3, <set-?>:kotlin.Int) returnType:kotlin.Unit
             correspondingProperty: PROPERTY name:x3 visibility:public modality:FINAL [var]
             $this: VALUE_PARAMETER name:<this> type:<root>.X1.X2.X3
             VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
             BLOCK_BODY
-              SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x3 type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+              SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x3 type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                 receiver: GET_VAR '<this>: <root>.X1.X2.X3 declared in <root>.X1.X2.X3.<set-x3>' type=<root>.X1.X2.X3 origin=null
                 value: GET_VAR '<set-?>: kotlin.Int declared in <root>.X1.X2.X3.<set-x3>' type=kotlin.Int origin=null
         FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -145,7 +145,7 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
       VAR name:<unary> type:kotlin.Int [val]
         CALL 'public final fun <get-x1> (): kotlin.Int declared in <root>.X1' type=kotlin.Int origin=null
           $this: GET_OBJECT 'CLASS OBJECT name:X1 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x1 type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x1 type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
         receiver: GET_OBJECT 'CLASS OBJECT name:X1 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1
         value: CALL 'public final fun inc (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
           $this: GET_VAR 'val <unary>: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
@@ -153,7 +153,7 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
       VAR name:<unary> type:kotlin.Int [val]
         CALL 'public final fun <get-x2> (): kotlin.Int declared in <root>.X1.X2' type=kotlin.Int origin=null
           $this: GET_OBJECT 'CLASS OBJECT name:X2 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x2 type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x2 type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
         receiver: GET_OBJECT 'CLASS OBJECT name:X2 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2
         value: CALL 'public final fun inc (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
           $this: GET_VAR 'val <unary>: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
@@ -161,7 +161,7 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
       VAR name:<unary> type:kotlin.Int [val]
         CALL 'public final fun <get-x3> (): kotlin.Int declared in <root>.X1.X2.X3' type=kotlin.Int origin=null
           $this: GET_OBJECT 'CLASS OBJECT name:X3 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2.X3
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x3 type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x3 type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
         receiver: GET_OBJECT 'CLASS OBJECT name:X3 modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.X1.X2.X3
         value: CALL 'public final fun inc (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
           $this: GET_VAR 'val <unary>: kotlin.Int [val] declared in <root>.test2' type=kotlin.Int origin=null
@@ -176,7 +176,7 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:B modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:s visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 's: kotlin.Int declared in <root>.B.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-s> visibility:public modality:FINAL <> ($this:<root>.B) returnType:kotlin.Int
@@ -184,14 +184,14 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.B
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-s> (): kotlin.Int declared in <root>.B'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.B declared in <root>.B.<get-s>' type=<root>.B origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-s> visibility:public modality:FINAL <> ($this:<root>.B, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:s visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.B
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.B declared in <root>.B.<set-s>' type=<root>.B origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.B.<set-s>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -218,7 +218,7 @@ FILE fqName:<root> fileName:/complexAugmentedAssignment.kt
       $receiver: VALUE_PARAMETER name:<this> type:<root>.B
       VALUE_PARAMETER name:b index:0 type:<root>.B
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
           receiver: GET_VAR '<this>: <root>.B declared in <root>.Host.plusAssign' type=<root>.B origin=null
           value: CALL 'public final fun <get-s> (): kotlin.Int declared in <root>.B' type=kotlin.Int origin=null
             $this: GET_VAR 'b: <root>.B declared in <root>.Host.plusAssign' type=<root>.B origin=null
diff --git a/compiler/testData/ir/irText/expressions/contructorCall.fir.txt b/compiler/testData/ir/irText/expressions/contructorCall.fir.txt
deleted file mode 100644
index de1caf2ba9a..00000000000
--- a/compiler/testData/ir/irText/expressions/contructorCall.fir.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-FILE fqName:<root> fileName:/contructorCall.kt
-  CLASS CLASS name:A modality:FINAL visibility:public superTypes:[kotlin.Any]
-    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.A
-    CONSTRUCTOR visibility:public <> () returnType:<root>.A [primary]
-      BLOCK_BODY
-        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:A modality:FINAL visibility:public superTypes:[kotlin.Any]'
-    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
-      overridden:
-        public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
-    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int
-      overridden:
-        public open fun hashCode (): kotlin.Int declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String
-      overridden:
-        public open fun toString (): kotlin.String declared in kotlin.Any
-      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-  PROPERTY name:test visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test type:<root>.A visibility:public [final,static]
-      EXPRESSION_BODY
-        CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.A' type=<root>.A origin=null
-    FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test> visibility:public modality:FINAL <> () returnType:<root>.A
-      correspondingProperty: PROPERTY name:test visibility:public modality:FINAL [val]
-      BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun <get-test> (): <root>.A declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:<root>.A visibility:public [final,static]' type=<root>.A origin=null
diff --git a/compiler/testData/ir/irText/expressions/contructorCall.kt b/compiler/testData/ir/irText/expressions/contructorCall.kt
index 06e20e8e32a..16c29808a2a 100644
--- a/compiler/testData/ir/irText/expressions/contructorCall.kt
+++ b/compiler/testData/ir/irText/expressions/contructorCall.kt
@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 class A
 
 val test = A()
\ No newline at end of file
diff --git a/compiler/testData/ir/irText/expressions/elvis.fir.txt b/compiler/testData/ir/irText/expressions/elvis.fir.txt
index b30d60b14f1..5f3d29829ee 100644
--- a/compiler/testData/ir/irText/expressions/elvis.fir.txt
+++ b/compiler/testData/ir/irText/expressions/elvis.fir.txt
@@ -1,13 +1,13 @@
 FILE fqName:<root> fileName:/elvis.kt
   PROPERTY name:p visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Any? visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Any? visibility:private [final,static]
       EXPRESSION_BODY
         CONST Null type=kotlin.Nothing? value=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-p> visibility:public modality:FINAL <> () returnType:kotlin.Any?
       correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-p> (): kotlin.Any? declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Any? visibility:public [final,static]' type=kotlin.Any? origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Any? visibility:private [final,static]' type=kotlin.Any? origin=null
   FUN name:foo visibility:public modality:FINAL <> () returnType:kotlin.Any?
     BLOCK_BODY
       RETURN type=kotlin.Nothing from='public final fun foo (): kotlin.Any? declared in <root>'
diff --git a/compiler/testData/ir/irText/expressions/enumEntryReferenceFromEnumEntryClass.fir.txt b/compiler/testData/ir/irText/expressions/enumEntryReferenceFromEnumEntryClass.fir.txt
index 46486a37918..858420e586b 100644
--- a/compiler/testData/ir/irText/expressions/enumEntryReferenceFromEnumEntryClass.fir.txt
+++ b/compiler/testData/ir/irText/expressions/enumEntryReferenceFromEnumEntryClass.fir.txt
@@ -13,7 +13,7 @@ FILE fqName:<root> fileName:/enumEntryReferenceFromEnumEntryClass.kt
           DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_ENTRY name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]'
       PROPERTY name:counter visibility:public modality:FINAL [var]
-        FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public
+        FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private
           EXPRESSION_BODY
             CONST Int type=kotlin.Int value=0
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-counter> visibility:public modality:FINAL <> ($this:<root>.MyEnum.Z) returnType:kotlin.Int
@@ -21,14 +21,14 @@ FILE fqName:<root> fileName:/enumEntryReferenceFromEnumEntryClass.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.MyEnum.Z
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-counter> (): kotlin.Int declared in <root>.MyEnum.Z'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Int origin=null
                 receiver: GET_VAR '<this>: <root>.MyEnum.Z declared in <root>.MyEnum.Z.<get-counter>' type=<root>.MyEnum.Z origin=null
         FUN DEFAULT_PROPERTY_ACCESSOR name:<set-counter> visibility:public modality:FINAL <> ($this:<root>.MyEnum.Z, <set-?>:kotlin.Int) returnType:kotlin.Unit
           correspondingProperty: PROPERTY name:counter visibility:public modality:FINAL [var]
           $this: VALUE_PARAMETER name:<this> type:<root>.MyEnum.Z
           VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
           BLOCK_BODY
-            SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+            SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
               receiver: GET_VAR '<this>: <root>.MyEnum.Z declared in <root>.MyEnum.Z.<set-counter>' type=<root>.MyEnum.Z origin=null
               value: GET_VAR '<set-?>: kotlin.Int declared in <root>.MyEnum.Z.<set-counter>' type=kotlin.Int origin=null
       FUN name:foo visibility:public modality:FINAL <> ($this:<root>.MyEnum.Z) returnType:kotlin.Unit
@@ -37,19 +37,19 @@ FILE fqName:<root> fileName:/enumEntryReferenceFromEnumEntryClass.kt
       FUN name:bar visibility:public modality:FINAL <> ($this:<root>.MyEnum.Z) returnType:kotlin.Unit
         $this: VALUE_PARAMETER name:<this> type:<root>.MyEnum.Z
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.MyEnum.Z declared in <root>.MyEnum.Z' type=<root>.MyEnum.Z origin=null
             value: CONST Int type=kotlin.Int value=1
           CALL 'public final fun foo (): kotlin.Unit declared in <root>.MyEnum.Z' type=kotlin.Unit origin=null
             $this: GET_VAR '<this>: <root>.MyEnum.Z declared in <root>.MyEnum.Z' type=<root>.MyEnum.Z origin=null
       PROPERTY name:aLambda visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:private [final]
           EXPRESSION_BODY
             FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
               FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($this:<root>.MyEnum.Z) returnType:kotlin.Unit
                 $this: VALUE_PARAMETER name:<this> type:<root>.MyEnum.Z
                 BLOCK_BODY
-                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                     receiver: GET_VAR '<this>: <root>.MyEnum.Z declared in <root>.MyEnum.Z' type=<root>.MyEnum.Z origin=null
                     value: CONST Int type=kotlin.Int value=1
                   CALL 'public final fun foo (): kotlin.Unit declared in <root>.MyEnum.Z' type=kotlin.Unit origin=null
@@ -59,10 +59,10 @@ FILE fqName:<root> fileName:/enumEntryReferenceFromEnumEntryClass.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.MyEnum.Z
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-aLambda> (): kotlin.Function0<kotlin.Unit> declared in <root>.MyEnum.Z'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:public [final]' type=kotlin.Function0<kotlin.Unit> origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:private [final]' type=kotlin.Function0<kotlin.Unit> origin=null
                 receiver: GET_VAR '<this>: <root>.MyEnum.Z declared in <root>.MyEnum.Z.<get-aLambda>' type=<root>.MyEnum.Z origin=null
       PROPERTY name:anObject visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:anObject type:kotlin.Any visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:anObject type:kotlin.Any visibility:private [final]
           EXPRESSION_BODY
             BLOCK type=<root>.MyEnum.Z.anObject.<no name provided> origin=OBJECT_LITERAL
               CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
@@ -73,7 +73,7 @@ FILE fqName:<root> fileName:/enumEntryReferenceFromEnumEntryClass.kt
                     INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
                 ANONYMOUS_INITIALIZER isStatic=false
                   BLOCK_BODY
-                    SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                    SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                       receiver: GET_VAR '<this>: <root>.MyEnum.Z declared in <root>.MyEnum.Z' type=<root>.MyEnum.Z origin=null
                       value: CONST Int type=kotlin.Int value=1
                     CALL 'public final fun foo (): kotlin.Unit declared in <root>.MyEnum.Z' type=kotlin.Unit origin=null
@@ -81,7 +81,7 @@ FILE fqName:<root> fileName:/enumEntryReferenceFromEnumEntryClass.kt
                 FUN name:test visibility:public modality:FINAL <> ($this:<root>.MyEnum.Z.anObject.<no name provided>) returnType:kotlin.Unit
                   $this: VALUE_PARAMETER name:<this> type:<root>.MyEnum.Z.anObject.<no name provided>
                   BLOCK_BODY
-                    SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                    SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                       receiver: GET_VAR '<this>: <root>.MyEnum.Z declared in <root>.MyEnum.Z' type=<root>.MyEnum.Z origin=null
                       value: CONST Int type=kotlin.Int value=1
                     CALL 'public final fun foo (): kotlin.Unit declared in <root>.MyEnum.Z' type=kotlin.Unit origin=null
@@ -92,7 +92,7 @@ FILE fqName:<root> fileName:/enumEntryReferenceFromEnumEntryClass.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.MyEnum.Z
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-anObject> (): kotlin.Any declared in <root>.MyEnum.Z'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anObject type:kotlin.Any visibility:public [final]' type=kotlin.Any origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anObject type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
                 receiver: GET_VAR '<this>: <root>.MyEnum.Z declared in <root>.MyEnum.Z.<get-anObject>' type=<root>.MyEnum.Z origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
         overridden:
diff --git a/compiler/testData/ir/irText/expressions/field.fir.txt b/compiler/testData/ir/irText/expressions/field.fir.txt
index 5e83710d0f5..b8e9dfbca38 100644
--- a/compiler/testData/ir/irText/expressions/field.fir.txt
+++ b/compiler/testData/ir/irText/expressions/field.fir.txt
@@ -1,31 +1,31 @@
 FILE fqName:<root> fileName:/field.kt
   PROPERTY name:testSimple visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:testSimple type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:testSimple type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testSimple> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:testSimple visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testSimple> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testSimple type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testSimple type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN name:<set-testSimple> visibility:public modality:FINAL <> (value:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:testSimple visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:value index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testSimple type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testSimple type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR 'value: kotlin.Int declared in <root>.<set-testSimple>' type=kotlin.Int origin=null
   PROPERTY name:testAugmented visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:testAugmented type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:testAugmented type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testAugmented> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:testAugmented visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testAugmented> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testAugmented type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testAugmented type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN name:<set-testAugmented> visibility:public modality:FINAL <> (value:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:testAugmented visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:value index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testAugmented type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testAugmented type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR 'value: kotlin.Int declared in <root>.<set-testAugmented>' type=kotlin.Int origin=null
diff --git a/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.fir.txt b/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.fir.txt
index 659623456e6..f76c9624785 100644
--- a/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.fir.txt
+++ b/compiler/testData/ir/irText/expressions/forWithImplicitReceivers.fir.txt
@@ -26,7 +26,7 @@ FILE fqName:<root> fileName:/forWithImplicitReceivers.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:IntCell modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.Int declared in <root>.IntCell.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.IntCell) returnType:kotlin.Int
@@ -34,14 +34,14 @@ FILE fqName:<root> fileName:/forWithImplicitReceivers.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.IntCell
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.Int declared in <root>.IntCell'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.IntCell declared in <root>.IntCell.<get-value>' type=<root>.IntCell origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-value> visibility:public modality:FINAL <> ($this:<root>.IntCell, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:value visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.IntCell
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.IntCell declared in <root>.IntCell.<set-value>' type=<root>.IntCell origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.IntCell.<set-value>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -84,7 +84,7 @@ FILE fqName:<root> fileName:/forWithImplicitReceivers.kt
             VAR name:<unary> type:kotlin.Int [val]
               CALL 'public final fun <get-value> (): kotlin.Int declared in <root>.IntCell' type=kotlin.Int origin=null
                 $this: GET_VAR '<this>: <root>.IntCell declared in <root>.IntCell' type=<root>.IntCell origin=null
-            SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+            SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
               receiver: GET_VAR '<this>: <root>.IntCell declared in <root>.IntCell' type=<root>.IntCell origin=null
               value: CALL 'public final fun dec (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
                 $this: GET_VAR 'val <unary>: kotlin.Int [val] declared in <root>.IReceiver.next' type=kotlin.Int origin=null
diff --git a/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.fir.txt b/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.fir.txt
index e7198691506..667955c9b0f 100644
--- a/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.fir.txt
+++ b/compiler/testData/ir/irText/expressions/genericConstructorCallWithTypeArguments.fir.txt
@@ -30,7 +30,7 @@ FILE fqName:<root> fileName:/genericConstructorCallWithTypeArguments.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Box modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Box visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Box visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: T of <uninitialized parent> declared in <root>.Box.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.Box) returnType:T of <root>.Box
@@ -38,7 +38,7 @@ FILE fqName:<root> fileName:/genericConstructorCallWithTypeArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Box
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): T of <root>.Box declared in <root>.Box'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Box visibility:public [final]' type=T of <root>.Box origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Box visibility:private [final]' type=T of <root>.Box origin=null
               receiver: GET_VAR '<this>: <root>.Box declared in <root>.Box.<get-value>' type=<root>.Box origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/expressions/genericPropertyCall.fir.txt b/compiler/testData/ir/irText/expressions/genericPropertyCall.fir.txt
index 77e91731d0c..3d461fab7df 100644
--- a/compiler/testData/ir/irText/expressions/genericPropertyCall.fir.txt
+++ b/compiler/testData/ir/irText/expressions/genericPropertyCall.fir.txt
@@ -6,11 +6,12 @@ FILE fqName:<root> fileName:/genericPropertyCall.kt
         RETURN type=kotlin.Nothing from='public final fun <get-id> (): IrErrorType declared in <root>'
           ERROR_CALL 'Unresolved reference: this#' type=IrErrorType
   PROPERTY name:test visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unresolved reference: R?C|/id|' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/genericPropertyRef.fir.txt b/compiler/testData/ir/irText/expressions/genericPropertyRef.fir.txt
index 62845df2d3c..fdfde941a05 100644
--- a/compiler/testData/ir/irText/expressions/genericPropertyRef.fir.txt
+++ b/compiler/testData/ir/irText/expressions/genericPropertyRef.fir.txt
@@ -14,7 +14,7 @@ FILE fqName:<root> fileName:/genericPropertyRef.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Value modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Value visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Value visibility:private
         EXPRESSION_BODY
           GET_VAR 'value: T of <uninitialized parent> declared in <root>.Value.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.Value) returnType:T of <root>.Value
@@ -22,18 +22,18 @@ FILE fqName:<root> fileName:/genericPropertyRef.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Value
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): T of <root>.Value declared in <root>.Value'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Value visibility:public' type=T of <root>.Value origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Value visibility:private' type=T of <root>.Value origin=null
               receiver: GET_VAR '<this>: <root>.Value declared in <root>.Value.<get-value>' type=<root>.Value origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-value> visibility:public modality:FINAL <> ($this:<root>.Value, <set-?>:T of <root>.Value) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:value visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.Value
         VALUE_PARAMETER name:<set-?> index:0 type:T of <root>.Value
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Value visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Value visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Value declared in <root>.Value.<set-value>' type=<root>.Value origin=null
             value: GET_VAR '<set-?>: T of <root>.Value declared in <root>.Value.<set-value>' type=T of <root>.Value origin=null
     PROPERTY name:text visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:text type:kotlin.String? visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:text type:kotlin.String? visibility:private
         EXPRESSION_BODY
           GET_VAR 'text: kotlin.String? declared in <root>.Value.<init>' type=kotlin.String? origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-text> visibility:public modality:FINAL <> ($this:<root>.Value) returnType:kotlin.String?
@@ -41,14 +41,14 @@ FILE fqName:<root> fileName:/genericPropertyRef.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Value
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-text> (): kotlin.String? declared in <root>.Value'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:text type:kotlin.String? visibility:public' type=kotlin.String? origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:text type:kotlin.String? visibility:private' type=kotlin.String? origin=null
               receiver: GET_VAR '<this>: <root>.Value declared in <root>.Value.<get-text>' type=<root>.Value origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-text> visibility:public modality:FINAL <> ($this:<root>.Value, <set-?>:kotlin.String?) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:text visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.Value
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.String?
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:text type:kotlin.String? visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:text type:kotlin.String? visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Value declared in <root>.Value.<set-text>' type=<root>.Value origin=null
             value: GET_VAR '<set-?>: kotlin.String? declared in <root>.Value.<set-text>' type=kotlin.String? origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -68,7 +68,7 @@ FILE fqName:<root> fileName:/genericPropertyRef.kt
     FIELD DELEGATE name:additionalText$delegate type:<root>.DVal visibility:private [final,static]
       EXPRESSION_BODY
         CONSTRUCTOR_CALL 'public constructor <init> (kmember: kotlin.Any) [primary] declared in <root>.DVal' type=<root>.DVal origin=null
-          kmember: PROPERTY_REFERENCE 'public final text: kotlin.String? [var]' field='FIELD PROPERTY_BACKING_FIELD name:text type:kotlin.String? visibility:public' getter='public final fun <get-text> (): kotlin.String? declared in <root>.Value' setter='public final fun <set-text> (<set-?>: kotlin.String?): kotlin.Unit declared in <root>.Value' type=kotlin.String? origin=null
+          kmember: PROPERTY_REFERENCE 'public final text: kotlin.String? [var]' field='FIELD PROPERTY_BACKING_FIELD name:text type:kotlin.String? visibility:private' getter='public final fun <get-text> (): kotlin.String? declared in <root>.Value' setter='public final fun <set-text> (<set-?>: kotlin.String?): kotlin.Unit declared in <root>.Value' type=kotlin.String? origin=null
     FUN DELEGATED_PROPERTY_ACCESSOR name:<get-additionalText> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:additionalText visibility:public modality:FINAL [delegated,val]
       BLOCK_BODY
@@ -81,7 +81,7 @@ FILE fqName:<root> fileName:/genericPropertyRef.kt
     FIELD DELEGATE name:additionalValue$delegate type:<root>.DVal visibility:private [final,static]
       EXPRESSION_BODY
         CONSTRUCTOR_CALL 'public constructor <init> (kmember: kotlin.Any) [primary] declared in <root>.DVal' type=<root>.DVal origin=null
-          kmember: PROPERTY_REFERENCE 'public final value: T of <root>.Value [var]' field='FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Value visibility:public' getter='public final fun <get-value> (): T of <root>.Value declared in <root>.Value' setter='public final fun <set-value> (<set-?>: T of <root>.Value): kotlin.Unit declared in <root>.Value' type=T of <root>.Value origin=null
+          kmember: PROPERTY_REFERENCE 'public final value: T of <root>.Value [var]' field='FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Value visibility:private' getter='public final fun <get-value> (): T of <root>.Value declared in <root>.Value' setter='public final fun <set-value> (<set-?>: T of <root>.Value): kotlin.Unit declared in <root>.Value' type=T of <root>.Value origin=null
     FUN DELEGATED_PROPERTY_ACCESSOR name:<get-additionalValue> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:additionalValue visibility:public modality:FINAL [delegated,val]
       BLOCK_BODY
@@ -98,7 +98,7 @@ FILE fqName:<root> fileName:/genericPropertyRef.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:DVal modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:kmember visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:kmember type:kotlin.Any visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:kmember type:kotlin.Any visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'kmember: kotlin.Any declared in <root>.DVal.<init>' type=kotlin.Any origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-kmember> visibility:public modality:FINAL <> ($this:<root>.DVal) returnType:kotlin.Any
@@ -106,7 +106,7 @@ FILE fqName:<root> fileName:/genericPropertyRef.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.DVal
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-kmember> (): kotlin.Any declared in <root>.DVal'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:kmember type:kotlin.Any visibility:public [final]' type=kotlin.Any origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:kmember type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
               receiver: GET_VAR '<this>: <root>.DVal declared in <root>.DVal.<get-kmember>' type=<root>.DVal origin=null
     FUN name:getValue visibility:public modality:FINAL <> ($this:<root>.DVal, t:kotlin.Any?, p:kotlin.Any) returnType:kotlin.Int
       $this: VALUE_PARAMETER name:<this> type:<root>.DVal
@@ -129,34 +129,34 @@ FILE fqName:<root> fileName:/genericPropertyRef.kt
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
   PROPERTY name:recivier visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:recivier type:kotlin.Any? visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:recivier type:kotlin.Any? visibility:private [static]
       EXPRESSION_BODY
         CONST String type=kotlin.Any? value="fail"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-recivier> visibility:public modality:FINAL <> () returnType:kotlin.Any?
       correspondingProperty: PROPERTY name:recivier visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-recivier> (): kotlin.Any? declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:recivier type:kotlin.Any? visibility:public [static]' type=kotlin.Any? origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:recivier type:kotlin.Any? visibility:private [static]' type=kotlin.Any? origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-recivier> visibility:public modality:FINAL <> (<set-?>:kotlin.Any?) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:recivier visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Any?
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:recivier type:kotlin.Any? visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:recivier type:kotlin.Any? visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.Any? declared in <root>.<set-recivier>' type=kotlin.Any? origin=null
   PROPERTY name:value2 visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:value2 type:kotlin.Any? visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:value2 type:kotlin.Any? visibility:private [static]
       EXPRESSION_BODY
         CONST String type=kotlin.Any? value="fail2"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value2> visibility:public modality:FINAL <> () returnType:kotlin.Any?
       correspondingProperty: PROPERTY name:value2 visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-value2> (): kotlin.Any? declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value2 type:kotlin.Any? visibility:public [static]' type=kotlin.Any? origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value2 type:kotlin.Any? visibility:private [static]' type=kotlin.Any? origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-value2> visibility:public modality:FINAL <> (<set-?>:kotlin.Any?) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:value2 visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Any?
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value2 type:kotlin.Any? visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value2 type:kotlin.Any? visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.Any? declared in <root>.<set-value2>' type=kotlin.Any? origin=null
   PROPERTY name:bar visibility:public modality:FINAL [var]
     FUN name:<get-bar> visibility:public modality:FINAL <> () returnType:T of <uninitialized parent>
@@ -168,16 +168,17 @@ FILE fqName:<root> fileName:/genericPropertyRef.kt
       correspondingProperty: PROPERTY name:bar visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:value index:0 type:T of <uninitialized parent>
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:recivier type:kotlin.Any? visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:recivier type:kotlin.Any? visibility:private [static]' type=kotlin.Unit origin=null
           value: ERROR_CALL 'Unresolved reference: this#' type=IrErrorType
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value2 type:kotlin.Any? visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value2 type:kotlin.Any? visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR 'value: T of <uninitialized parent> declared in <root>.<set-bar>' type=T of <uninitialized parent> origin=null
   PROPERTY name:barRef visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:barRef type:kotlin.String.Companion visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:barRef type:kotlin.String.Companion visibility:private [final,static]
       EXPRESSION_BODY
         PROPERTY_REFERENCE 'public final bar: T of <uninitialized parent> [var]' field=null getter='public final fun <get-bar> (): T of <uninitialized parent> declared in <root>' setter='public final fun <set-bar> (value: T of <uninitialized parent>): kotlin.Unit declared in <root>' type=kotlin.String.Companion origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-barRef> visibility:public modality:FINAL <> () returnType:kotlin.String.Companion
       correspondingProperty: PROPERTY name:barRef visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-barRef> (): kotlin.String.Companion declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:barRef type:kotlin.String.Companion visibility:public [final,static]' type=kotlin.String.Companion origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:barRef type:kotlin.String.Companion visibility:private [final,static]' type=kotlin.String.Companion origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/incrementDecrement.fir.txt b/compiler/testData/ir/irText/expressions/incrementDecrement.fir.txt
index a10f29e63c2..c224116f406 100644
--- a/compiler/testData/ir/irText/expressions/incrementDecrement.fir.txt
+++ b/compiler/testData/ir/irText/expressions/incrementDecrement.fir.txt
@@ -1,21 +1,21 @@
 FILE fqName:<root> fileName:/incrementDecrement.kt
   PROPERTY name:p visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-p> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-p> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-p> visibility:public modality:FINAL <> (<set-?>:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.Int declared in <root>.<set-p>' type=kotlin.Int origin=null
   PROPERTY name:arr visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:arr type:kotlin.IntArray visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:arr type:kotlin.IntArray visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Cannot bind 3 arguments to intArrayOf call with 1 parameters' type=kotlin.IntArray
           CONST Int type=kotlin.Int value=1
@@ -25,7 +25,7 @@ FILE fqName:<root> fileName:/incrementDecrement.kt
       correspondingProperty: PROPERTY name:arr visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-arr> (): kotlin.IntArray declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:arr type:kotlin.IntArray visibility:public [final,static]' type=kotlin.IntArray origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:arr type:kotlin.IntArray visibility:private [final,static]' type=kotlin.IntArray origin=null
   FUN name:testVarPrefix visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
       VAR name:x type:kotlin.Int [var]
@@ -72,7 +72,7 @@ FILE fqName:<root> fileName:/incrementDecrement.kt
         BLOCK type=kotlin.Int origin=null
           VAR name:<unary> type:kotlin.Int [val]
             CALL 'public final fun <get-p> (): kotlin.Int declared in <root>' type=kotlin.Int origin=null
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
             value: CALL 'public final fun inc (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
               $this: GET_VAR 'val <unary>: kotlin.Int [val] declared in <root>.testPropPrefix' type=kotlin.Int origin=null
           CALL 'public final fun <get-p> (): kotlin.Int declared in <root>' type=kotlin.Int origin=null
@@ -80,7 +80,7 @@ FILE fqName:<root> fileName:/incrementDecrement.kt
         BLOCK type=kotlin.Int origin=null
           VAR name:<unary> type:kotlin.Int [val]
             CALL 'public final fun <get-p> (): kotlin.Int declared in <root>' type=kotlin.Int origin=null
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
             value: CALL 'public final fun dec (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
               $this: GET_VAR 'val <unary>: kotlin.Int [val] declared in <root>.testPropPrefix' type=kotlin.Int origin=null
           CALL 'public final fun <get-p> (): kotlin.Int declared in <root>' type=kotlin.Int origin=null
@@ -90,7 +90,7 @@ FILE fqName:<root> fileName:/incrementDecrement.kt
         BLOCK type=kotlin.Int origin=null
           VAR name:<unary> type:kotlin.Int [val]
             CALL 'public final fun <get-p> (): kotlin.Int declared in <root>' type=kotlin.Int origin=null
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
             value: CALL 'public final fun inc (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
               $this: GET_VAR 'val <unary>: kotlin.Int [val] declared in <root>.testPropPostfix' type=kotlin.Int origin=null
           GET_VAR 'val <unary>: kotlin.Int [val] declared in <root>.testPropPostfix' type=kotlin.Int origin=null
@@ -98,7 +98,7 @@ FILE fqName:<root> fileName:/incrementDecrement.kt
         BLOCK type=kotlin.Int origin=null
           VAR name:<unary> type:kotlin.Int [val]
             CALL 'public final fun <get-p> (): kotlin.Int declared in <root>' type=kotlin.Int origin=null
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
             value: CALL 'public final fun dec (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
               $this: GET_VAR 'val <unary>: kotlin.Int [val] declared in <root>.testPropPostfix' type=kotlin.Int origin=null
           CALL 'public final fun <get-p> (): kotlin.Int declared in <root>' type=kotlin.Int origin=null
diff --git a/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.fir.txt b/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.fir.txt
index cf5f0f0784f..062c57bfb75 100644
--- a/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.fir.txt
+++ b/compiler/testData/ir/irText/expressions/jvmStaticFieldReference.fir.txt
@@ -27,7 +27,7 @@ FILE fqName:<root> fileName:/jvmStaticFieldReference.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestClass modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:test visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           WHEN type=kotlin.Int origin=WHEN
             BRANCH
@@ -42,7 +42,7 @@ FILE fqName:<root> fileName:/jvmStaticFieldReference.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestClass
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-test> (): kotlin.Int declared in <root>.TestClass'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.TestClass declared in <root>.TestClass.<get-test>' type=<root>.TestClass origin=null
     ANONYMOUS_INITIALIZER isStatic=false
       BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/kt28006.fir.txt b/compiler/testData/ir/irText/expressions/kt28006.fir.txt
index 45e1884c05d..eab632fc42c 100644
--- a/compiler/testData/ir/irText/expressions/kt28006.fir.txt
+++ b/compiler/testData/ir/irText/expressions/kt28006.fir.txt
@@ -1,42 +1,42 @@
 FILE fqName:<root> fileName:/kt28006.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="\uD83E\uDD17"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="\uD83E\uDD17\uD83E\uDD17"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:testConst1 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:testConst1 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testConst1 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="\uD83E\uDD17"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testConst1> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:testConst1 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testConst1> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testConst1 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testConst1 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:testConst2 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:testConst2 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testConst2 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="\uD83E\uDD17\uD83E\uDD17"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testConst2> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:testConst2 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testConst2> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testConst2 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testConst2 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:testConst3 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:testConst3 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testConst3 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         STRING_CONCATENATION type=kotlin.String
           CONST String type=kotlin.String value="\uD83E"
@@ -46,9 +46,9 @@ FILE fqName:<root> fileName:/kt28006.kt
       correspondingProperty: PROPERTY name:testConst3 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testConst3> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testConst3 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testConst3 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:testConst4 visibility:public modality:FINAL [const,val]
-    FIELD PROPERTY_BACKING_FIELD name:testConst4 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testConst4 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         STRING_CONCATENATION type=kotlin.String
           CALL 'public final fun <get-testConst2> (): kotlin.String declared in <root>' type=kotlin.String origin=null
@@ -57,7 +57,7 @@ FILE fqName:<root> fileName:/kt28006.kt
       correspondingProperty: PROPERTY name:testConst4 visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testConst4> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testConst4 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testConst4 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   FUN name:test1 visibility:public modality:FINAL <> (x:kotlin.Int) returnType:kotlin.String
     VALUE_PARAMETER name:x index:0 type:kotlin.Int
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/kt28456.fir.txt b/compiler/testData/ir/irText/expressions/kt28456.fir.txt
index a0328e588c1..9e48eb87a0b 100644
--- a/compiler/testData/ir/irText/expressions/kt28456.fir.txt
+++ b/compiler/testData/ir/irText/expressions/kt28456.fir.txt
@@ -58,3 +58,4 @@ FILE fqName:<root> fileName:/kt28456.kt
     VALUE_PARAMETER name:a index:0 type:<root>.A
     BLOCK_BODY
       ERROR_CALL 'FirArraySetCall (resolve isn't supported yet)' type=kotlin.Unit
+
diff --git a/compiler/testData/ir/irText/expressions/kt30020.fir.txt b/compiler/testData/ir/irText/expressions/kt30020.fir.txt
index 6e59fe7419b..e9bc11d4673 100644
--- a/compiler/testData/ir/irText/expressions/kt30020.fir.txt
+++ b/compiler/testData/ir/irText/expressions/kt30020.fir.txt
@@ -210,3 +210,4 @@ FILE fqName:<root> fileName:/kt30020.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+
diff --git a/compiler/testData/ir/irText/expressions/literals.fir.txt b/compiler/testData/ir/irText/expressions/literals.fir.txt
index fdfb8a4c8d0..44281dd9409 100644
--- a/compiler/testData/ir/irText/expressions/literals.fir.txt
+++ b/compiler/testData/ir/irText/expressions/literals.fir.txt
@@ -1,15 +1,15 @@
 FILE fqName:<root> fileName:/literals.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun unaryMinus (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
           $this: CONST Int type=kotlin.Int value=1
@@ -17,54 +17,54 @@ FILE fqName:<root> fileName:/literals.kt
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Boolean visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Boolean visibility:private [final,static]
       EXPRESSION_BODY
         CONST Boolean type=kotlin.Boolean value=true
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test3> visibility:public modality:FINAL <> () returnType:kotlin.Boolean
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): kotlin.Boolean declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Boolean visibility:public [final,static]' type=kotlin.Boolean origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Boolean visibility:private [final,static]' type=kotlin.Boolean origin=null
   PROPERTY name:test4 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Boolean visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Boolean visibility:private [final,static]
       EXPRESSION_BODY
         CONST Boolean type=kotlin.Boolean value=false
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test4> visibility:public modality:FINAL <> () returnType:kotlin.Boolean
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test4> (): kotlin.Boolean declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Boolean visibility:public [final,static]' type=kotlin.Boolean origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Boolean visibility:private [final,static]' type=kotlin.Boolean origin=null
   PROPERTY name:test5 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="abc"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test5> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test5 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test5> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test6 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Nothing? visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Nothing? visibility:private [final,static]
       EXPRESSION_BODY
         CONST Null type=kotlin.Nothing? value=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test6> visibility:public modality:FINAL <> () returnType:kotlin.Nothing?
       correspondingProperty: PROPERTY name:test6 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test6> (): kotlin.Nothing? declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Nothing? visibility:public [final,static]' type=kotlin.Nothing? origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Nothing? visibility:private [final,static]' type=kotlin.Nothing? origin=null
   PROPERTY name:test7 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test7 type:kotlin.Long visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test7 type:kotlin.Long visibility:private [final,static]
       EXPRESSION_BODY
         CONST Long type=kotlin.Long value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test7> visibility:public modality:FINAL <> () returnType:kotlin.Long
       correspondingProperty: PROPERTY name:test7 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test7> (): kotlin.Long declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test7 type:kotlin.Long visibility:public [final,static]' type=kotlin.Long origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test7 type:kotlin.Long visibility:private [final,static]' type=kotlin.Long origin=null
   PROPERTY name:test8 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test8 type:kotlin.Long visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test8 type:kotlin.Long visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun unaryMinus (): kotlin.Long declared in kotlin.Long' type=kotlin.Long origin=null
           $this: CONST Long type=kotlin.Long value=1
@@ -72,18 +72,18 @@ FILE fqName:<root> fileName:/literals.kt
       correspondingProperty: PROPERTY name:test8 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test8> (): kotlin.Long declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test8 type:kotlin.Long visibility:public [final,static]' type=kotlin.Long origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test8 type:kotlin.Long visibility:private [final,static]' type=kotlin.Long origin=null
   PROPERTY name:test9 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test9 type:kotlin.Double visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test9 type:kotlin.Double visibility:private [final,static]
       EXPRESSION_BODY
         CONST Double type=kotlin.Double value=1.0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test9> visibility:public modality:FINAL <> () returnType:kotlin.Double
       correspondingProperty: PROPERTY name:test9 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test9> (): kotlin.Double declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test9 type:kotlin.Double visibility:public [final,static]' type=kotlin.Double origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test9 type:kotlin.Double visibility:private [final,static]' type=kotlin.Double origin=null
   PROPERTY name:test10 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test10 type:kotlin.Double visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test10 type:kotlin.Double visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun unaryMinus (): kotlin.Double declared in kotlin.Double' type=kotlin.Double origin=null
           $this: CONST Double type=kotlin.Double value=1.0
@@ -91,18 +91,18 @@ FILE fqName:<root> fileName:/literals.kt
       correspondingProperty: PROPERTY name:test10 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test10> (): kotlin.Double declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test10 type:kotlin.Double visibility:public [final,static]' type=kotlin.Double origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test10 type:kotlin.Double visibility:private [final,static]' type=kotlin.Double origin=null
   PROPERTY name:test11 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test11 type:kotlin.Float visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test11 type:kotlin.Float visibility:private [final,static]
       EXPRESSION_BODY
         CONST Float type=kotlin.Float value=1.0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test11> visibility:public modality:FINAL <> () returnType:kotlin.Float
       correspondingProperty: PROPERTY name:test11 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test11> (): kotlin.Float declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test11 type:kotlin.Float visibility:public [final,static]' type=kotlin.Float origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test11 type:kotlin.Float visibility:private [final,static]' type=kotlin.Float origin=null
   PROPERTY name:test12 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test12 type:kotlin.Float visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test12 type:kotlin.Float visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun unaryMinus (): kotlin.Float declared in kotlin.Float' type=kotlin.Float origin=null
           $this: CONST Float type=kotlin.Float value=1.0
@@ -110,49 +110,50 @@ FILE fqName:<root> fileName:/literals.kt
       correspondingProperty: PROPERTY name:test12 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test12> (): kotlin.Float declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test12 type:kotlin.Float visibility:public [final,static]' type=kotlin.Float origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test12 type:kotlin.Float visibility:private [final,static]' type=kotlin.Float origin=null
   PROPERTY name:test13 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test13 type:kotlin.Char visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test13 type:kotlin.Char visibility:private [final,static]
       EXPRESSION_BODY
         CONST Char type=kotlin.Char value='a'
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test13> visibility:public modality:FINAL <> () returnType:kotlin.Char
       correspondingProperty: PROPERTY name:test13 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test13> (): kotlin.Char declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test13 type:kotlin.Char visibility:public [final,static]' type=kotlin.Char origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test13 type:kotlin.Char visibility:private [final,static]' type=kotlin.Char origin=null
   PROPERTY name:testB visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testB type:kotlin.Byte visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testB type:kotlin.Byte visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Byte value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testB> visibility:public modality:FINAL <> () returnType:kotlin.Byte
       correspondingProperty: PROPERTY name:testB visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testB> (): kotlin.Byte declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testB type:kotlin.Byte visibility:public [final,static]' type=kotlin.Byte origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testB type:kotlin.Byte visibility:private [final,static]' type=kotlin.Byte origin=null
   PROPERTY name:testS visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testS type:kotlin.Short visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testS type:kotlin.Short visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Short value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testS> visibility:public modality:FINAL <> () returnType:kotlin.Short
       correspondingProperty: PROPERTY name:testS visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testS> (): kotlin.Short declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testS type:kotlin.Short visibility:public [final,static]' type=kotlin.Short origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testS type:kotlin.Short visibility:private [final,static]' type=kotlin.Short origin=null
   PROPERTY name:testI visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testI type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testI type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testI> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:testI visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testI> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testI type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testI type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:testL visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testL type:kotlin.Long visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testL type:kotlin.Long visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Long value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testL> visibility:public modality:FINAL <> () returnType:kotlin.Long
       correspondingProperty: PROPERTY name:testL visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testL> (): kotlin.Long declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testL type:kotlin.Long visibility:public [final,static]' type=kotlin.Long origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testL type:kotlin.Long visibility:private [final,static]' type=kotlin.Long origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/memberTypeArguments.fir.txt b/compiler/testData/ir/irText/expressions/memberTypeArguments.fir.txt
index bba8a6798d6..95b9219dd21 100644
--- a/compiler/testData/ir/irText/expressions/memberTypeArguments.fir.txt
+++ b/compiler/testData/ir/irText/expressions/memberTypeArguments.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/memberTypeArguments.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:GenericClass modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.GenericClass visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.GenericClass visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: T of <uninitialized parent> declared in <root>.GenericClass.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.GenericClass) returnType:T of <root>.GenericClass
@@ -16,7 +16,7 @@ FILE fqName:<root> fileName:/memberTypeArguments.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.GenericClass
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): T of <root>.GenericClass declared in <root>.GenericClass'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.GenericClass visibility:public [final]' type=T of <root>.GenericClass origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.GenericClass visibility:private [final]' type=T of <root>.GenericClass origin=null
               receiver: GET_VAR '<this>: <root>.GenericClass declared in <root>.GenericClass.<get-value>' type=<root>.GenericClass origin=null
     FUN name:withNewValue visibility:public modality:FINAL <> ($this:<root>.GenericClass, newValue:T of <root>.GenericClass) returnType:<root>.GenericClass<T of <root>.GenericClass>
       $this: VALUE_PARAMETER name:<this> type:<root>.GenericClass
diff --git a/compiler/testData/ir/irText/expressions/membersImportedFromObject.fir.txt b/compiler/testData/ir/irText/expressions/membersImportedFromObject.fir.txt
index 07fec87445f..76ee31c6247 100644
--- a/compiler/testData/ir/irText/expressions/membersImportedFromObject.fir.txt
+++ b/compiler/testData/ir/irText/expressions/membersImportedFromObject.fir.txt
@@ -17,7 +17,7 @@ FILE fqName:<root> fileName:/membersImportedFromObject.kt
         RETURN type=kotlin.Nothing from='public final fun fooExt (): kotlin.Int declared in <root>.A'
           CONST Int type=kotlin.Int value=2
     PROPERTY name:bar visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=42
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-bar> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
@@ -25,7 +25,7 @@ FILE fqName:<root> fileName:/membersImportedFromObject.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-bar> (): kotlin.Int declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-bar>' type=<root>.A origin=null
     PROPERTY name:barExt visibility:public modality:FINAL [val]
       FUN name:<get-barExt> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
@@ -48,7 +48,7 @@ FILE fqName:<root> fileName:/membersImportedFromObject.kt
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun foo (): kotlin.Int declared in <root>.A' type=kotlin.Int origin=null
           $this: GET_VAR '<this>: <root>.A declared in <root>.A' type=<root>.A origin=null
@@ -56,9 +56,9 @@ FILE fqName:<root> fileName:/membersImportedFromObject.kt
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun <get-bar> (): kotlin.Int declared in <root>.A' type=kotlin.Int origin=null
           $this: GET_VAR '<this>: <root>.A declared in <root>.A' type=<root>.A origin=null
@@ -66,9 +66,9 @@ FILE fqName:<root> fileName:/membersImportedFromObject.kt
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun fooExt (): kotlin.Int declared in <root>.A' type=kotlin.Int origin=null
           $this: GET_VAR '<this>: <root>.A declared in <root>.A' type=<root>.A origin=null
@@ -76,9 +76,9 @@ FILE fqName:<root> fileName:/membersImportedFromObject.kt
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test4 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun <get-barExt> (): kotlin.Int declared in <root>.A' type=kotlin.Int origin=null
           $this: GET_VAR '<this>: <root>.A declared in <root>.A' type=<root>.A origin=null
@@ -86,4 +86,5 @@ FILE fqName:<root> fileName:/membersImportedFromObject.kt
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test4> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/multipleThisReferences.fir.txt b/compiler/testData/ir/irText/expressions/multipleThisReferences.fir.txt
index 004bd1f3d4b..b40b6186688 100644
--- a/compiler/testData/ir/irText/expressions/multipleThisReferences.fir.txt
+++ b/compiler/testData/ir/irText/expressions/multipleThisReferences.fir.txt
@@ -13,7 +13,7 @@ FILE fqName:<root> fileName:/multipleThisReferences.kt
           DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Inner modality:OPEN visibility:public [inner] superTypes:[kotlin.Any]'
       PROPERTY name:x visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
           EXPRESSION_BODY
             GET_VAR 'x: kotlin.Int declared in <root>.Outer.Inner.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Outer.Inner) returnType:kotlin.Int
@@ -21,7 +21,7 @@ FILE fqName:<root> fileName:/multipleThisReferences.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Outer.Inner
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.Outer.Inner'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
                 receiver: GET_VAR '<this>: <root>.Outer.Inner declared in <root>.Outer.Inner.<get-x>' type=<root>.Outer.Inner origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
         overridden:
@@ -57,7 +57,7 @@ FILE fqName:<root> fileName:/multipleThisReferences.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Host modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.Int declared in <root>.Host.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.Host) returnType:kotlin.Int
@@ -65,7 +65,7 @@ FILE fqName:<root> fileName:/multipleThisReferences.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Host
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.Host'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Host declared in <root>.Host.<get-y>' type=<root>.Host origin=null
     FUN name:test visibility:public modality:FINAL <> ($this:<root>.Host, $receiver:<root>.Outer) returnType:<root>.Outer.Inner
       $this: VALUE_PARAMETER name:<this> type:<root>.Host
@@ -81,7 +81,7 @@ FILE fqName:<root> fileName:/multipleThisReferences.kt
                     x: CONST Int type=<root>.Outer.Inner value=42
                   INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner]'
               PROPERTY name:xx visibility:public modality:FINAL [val]
-                FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.String visibility:public [final]
+                FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.String visibility:private [final]
                   EXPRESSION_BODY
                     CALL 'public final fun plus (other: kotlin.Any?): kotlin.String declared in kotlin' type=kotlin.String origin=null
                       $receiver: ERROR_CALL 'Unresolved reference: <Unresolved name: x>#' type=IrErrorType
@@ -91,7 +91,7 @@ FILE fqName:<root> fileName:/multipleThisReferences.kt
                   $this: VALUE_PARAMETER name:<this> type:<root>.Host.test.<no name provided>
                   BLOCK_BODY
                     RETURN type=kotlin.Nothing from='public final fun <get-xx> (): kotlin.String declared in <root>.Host.test.<no name provided>'
-                      GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.String visibility:public [final]' type=kotlin.String origin=null
+                      GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xx type:kotlin.String visibility:private [final]' type=kotlin.String origin=null
                         receiver: GET_VAR '<this>: <root>.Host.test.<no name provided> declared in <root>.Host.test.<no name provided>.<get-xx>' type=<root>.Host.test.<no name provided> origin=null
             CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.Host.test.<no name provided>' type=<root>.Host.test.<no name provided> origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
diff --git a/compiler/testData/ir/irText/expressions/objectAsCallable.fir.txt b/compiler/testData/ir/irText/expressions/objectAsCallable.fir.txt
index 73dfa5d4fcc..e58f7329d38 100644
--- a/compiler/testData/ir/irText/expressions/objectAsCallable.fir.txt
+++ b/compiler/testData/ir/irText/expressions/objectAsCallable.fir.txt
@@ -79,7 +79,7 @@ FILE fqName:<root> fileName:/objectAsCallable.kt
       RETURN type=kotlin.Nothing from='public final fun invoke (i: kotlin.Int): kotlin.Int declared in <root>'
         GET_VAR 'i: kotlin.Int declared in <root>.invoke' type=kotlin.Int origin=null
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unresolved reference: <Inapplicable(PARAMETER_MAPPING_ERROR): [/A.A]>#' type=IrErrorType
           CONST Int type=kotlin.Int value=42
@@ -87,9 +87,9 @@ FILE fqName:<root> fileName:/objectAsCallable.kt
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unresolved reference: <Unresolved name: X>#' type=IrErrorType
           CONST Int type=kotlin.Int value=42
@@ -97,4 +97,5 @@ FILE fqName:<root> fileName:/objectAsCallable.kt
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/objectReference.fir.txt b/compiler/testData/ir/irText/expressions/objectReference.fir.txt
index 0c650bffd4b..3f3200a0f90 100644
--- a/compiler/testData/ir/irText/expressions/objectReference.fir.txt
+++ b/compiler/testData/ir/irText/expressions/objectReference.fir.txt
@@ -6,7 +6,7 @@ FILE fqName:<root> fileName:/objectReference.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:counter visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=0
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-counter> visibility:public modality:FINAL <> ($this:<root>.Z) returnType:kotlin.Int
@@ -14,14 +14,14 @@ FILE fqName:<root> fileName:/objectReference.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Z
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-counter> (): kotlin.Int declared in <root>.Z'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z.<get-counter>' type=<root>.Z origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-counter> visibility:public modality:FINAL <> ($this:<root>.Z, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:counter visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.Z
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z.<set-counter>' type=<root>.Z origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.Z.<set-counter>' type=kotlin.Int origin=null
     FUN name:foo visibility:public modality:FINAL <> ($this:<root>.Z) returnType:kotlin.Unit
@@ -30,12 +30,12 @@ FILE fqName:<root> fileName:/objectReference.kt
     FUN name:bar visibility:public modality:FINAL <> ($this:<root>.Z) returnType:kotlin.Unit
       $this: VALUE_PARAMETER name:<this> type:<root>.Z
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
           receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
           value: CONST Int type=kotlin.Int value=1
         CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
           $this: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
           receiver: GET_OBJECT 'CLASS OBJECT name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.Z
           value: CONST Int type=kotlin.Int value=1
         CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
@@ -48,12 +48,12 @@ FILE fqName:<root> fileName:/objectReference.kt
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Nested modality:FINAL visibility:public superTypes:[kotlin.Any]'
       ANONYMOUS_INITIALIZER isStatic=false
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
             value: CONST Int type=kotlin.Int value=1
           CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
             $this: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_OBJECT 'CLASS OBJECT name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.Z
             value: CONST Int type=kotlin.Int value=1
           CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
@@ -61,12 +61,12 @@ FILE fqName:<root> fileName:/objectReference.kt
       FUN name:test visibility:public modality:FINAL <> ($this:<root>.Z.Nested) returnType:kotlin.Unit
         $this: VALUE_PARAMETER name:<this> type:<root>.Z.Nested
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
             value: CONST Int type=kotlin.Int value=1
           CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
             $this: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_OBJECT 'CLASS OBJECT name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.Z
             value: CONST Int type=kotlin.Int value=1
           CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
@@ -85,18 +85,18 @@ FILE fqName:<root> fileName:/objectReference.kt
           public open fun toString (): kotlin.String declared in kotlin.Any
         $this: VALUE_PARAMETER name:<this> type:kotlin.Any
     PROPERTY name:aLambda visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:private [final]
         EXPRESSION_BODY
           FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
             FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($this:<root>.Z) returnType:kotlin.Unit
               $this: VALUE_PARAMETER name:<this> type:<root>.Z
               BLOCK_BODY
-                SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                   receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
                   value: CONST Int type=kotlin.Int value=1
                 CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
                   $this: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
-                SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                   receiver: GET_OBJECT 'CLASS OBJECT name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.Z
                   value: CONST Int type=kotlin.Int value=1
                 CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
@@ -106,10 +106,10 @@ FILE fqName:<root> fileName:/objectReference.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Z
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-aLambda> (): kotlin.Function0<kotlin.Unit> declared in <root>.Z'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:public [final]' type=kotlin.Function0<kotlin.Unit> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:aLambda type:kotlin.Function0<kotlin.Unit> visibility:private [final]' type=kotlin.Function0<kotlin.Unit> origin=null
               receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z.<get-aLambda>' type=<root>.Z origin=null
     PROPERTY name:anObject visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:anObject type:kotlin.Any visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:anObject type:kotlin.Any visibility:private [final]
         EXPRESSION_BODY
           BLOCK type=<root>.Z.anObject.<no name provided> origin=OBJECT_LITERAL
             CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]
@@ -120,12 +120,12 @@ FILE fqName:<root> fileName:/objectReference.kt
                   INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[kotlin.Any]'
               ANONYMOUS_INITIALIZER isStatic=false
                 BLOCK_BODY
-                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                     receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
                     value: CONST Int type=kotlin.Int value=1
                   CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
                     $this: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
-                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                     receiver: GET_OBJECT 'CLASS OBJECT name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.Z
                     value: CONST Int type=kotlin.Int value=1
                   CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
@@ -133,12 +133,12 @@ FILE fqName:<root> fileName:/objectReference.kt
               FUN name:test visibility:public modality:FINAL <> ($this:<root>.Z.anObject.<no name provided>) returnType:kotlin.Unit
                 $this: VALUE_PARAMETER name:<this> type:<root>.Z.anObject.<no name provided>
                 BLOCK_BODY
-                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                     receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
                     value: CONST Int type=kotlin.Int value=1
                   CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
                     $this: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
-                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+                  SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
                     receiver: GET_OBJECT 'CLASS OBJECT name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.Z
                     value: CONST Int type=kotlin.Int value=1
                   CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
@@ -149,7 +149,7 @@ FILE fqName:<root> fileName:/objectReference.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Z
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-anObject> (): kotlin.Any declared in <root>.Z'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anObject type:kotlin.Any visibility:public [final]' type=kotlin.Any origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anObject type:kotlin.Any visibility:private [final]' type=kotlin.Any origin=null
               receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z.<get-anObject>' type=<root>.Z origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
@@ -167,12 +167,12 @@ FILE fqName:<root> fileName:/objectReference.kt
   FUN name:test visibility:public modality:FINAL <> ($receiver:<root>.Z) returnType:kotlin.Unit
     $receiver: VALUE_PARAMETER name:<this> type:<root>.Z
     BLOCK_BODY
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
         receiver: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
         value: CONST Int type=kotlin.Int value=1
       CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
         $this: GET_VAR '<this>: <root>.Z declared in <root>.Z' type=<root>.Z origin=null
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:counter type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
         receiver: GET_OBJECT 'CLASS OBJECT name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]' type=<root>.Z
         value: CONST Int type=kotlin.Int value=1
       CALL 'public final fun foo (): kotlin.Unit declared in <root>.Z' type=kotlin.Unit origin=null
diff --git a/compiler/testData/ir/irText/expressions/objectReferenceInClosureInSuperConstructorCall.fir.txt b/compiler/testData/ir/irText/expressions/objectReferenceInClosureInSuperConstructorCall.fir.txt
index 3c70f2e1cc9..6531e72b440 100644
--- a/compiler/testData/ir/irText/expressions/objectReferenceInClosureInSuperConstructorCall.fir.txt
+++ b/compiler/testData/ir/irText/expressions/objectReferenceInClosureInSuperConstructorCall.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/objectReferenceInClosureInSuperConstructorCall.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Base modality:ABSTRACT visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:lambda visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:lambda type:kotlin.Function0<kotlin.Any> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:lambda type:kotlin.Function0<kotlin.Any> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'lambda: kotlin.Function0<kotlin.Any> declared in <root>.Base.<init>' type=kotlin.Function0<kotlin.Any> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-lambda> visibility:public modality:FINAL <> ($this:<root>.Base) returnType:kotlin.Function0<kotlin.Any>
@@ -15,7 +15,7 @@ FILE fqName:<root> fileName:/objectReferenceInClosureInSuperConstructorCall.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Base
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-lambda> (): kotlin.Function0<kotlin.Any> declared in <root>.Base'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:lambda type:kotlin.Function0<kotlin.Any> visibility:public [final]' type=kotlin.Function0<kotlin.Any> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:lambda type:kotlin.Function0<kotlin.Any> visibility:private [final]' type=kotlin.Function0<kotlin.Any> origin=null
               receiver: GET_VAR '<this>: <root>.Base declared in <root>.Base.<get-lambda>' type=<root>.Base origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.fir.txt b/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.fir.txt
index d9f10117c45..6057f7bbaba 100644
--- a/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.fir.txt
+++ b/compiler/testData/ir/irText/expressions/primitivesImplicitConversions.fir.txt
@@ -1,33 +1,33 @@
 FILE fqName:<root> fileName:/primitivesImplicitConversions.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Long visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Long visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Long value=42
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:kotlin.Long
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Long declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Long visibility:public [final,static]' type=kotlin.Long origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Long visibility:private [final,static]' type=kotlin.Long origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Short visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Short visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Short value=42
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> () returnType:kotlin.Short
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Short declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Short visibility:public [final,static]' type=kotlin.Short origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Short visibility:private [final,static]' type=kotlin.Short origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Byte visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Byte visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Byte value=42
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test3> visibility:public modality:FINAL <> () returnType:kotlin.Byte
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): kotlin.Byte declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Byte visibility:public [final,static]' type=kotlin.Byte origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.Byte visibility:private [final,static]' type=kotlin.Byte origin=null
   PROPERTY name:test4 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Long visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Long visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun unaryMinus (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
           $this: CONST Int type=kotlin.Int value=42
@@ -35,9 +35,9 @@ FILE fqName:<root> fileName:/primitivesImplicitConversions.kt
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test4> (): kotlin.Long declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Long visibility:public [final,static]' type=kotlin.Long origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Long visibility:private [final,static]' type=kotlin.Long origin=null
   PROPERTY name:test5 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.Short visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.Short visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun unaryMinus (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
           $this: CONST Int type=kotlin.Int value=42
@@ -45,9 +45,9 @@ FILE fqName:<root> fileName:/primitivesImplicitConversions.kt
       correspondingProperty: PROPERTY name:test5 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test5> (): kotlin.Short declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.Short visibility:public [final,static]' type=kotlin.Short origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.Short visibility:private [final,static]' type=kotlin.Short origin=null
   PROPERTY name:test6 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Byte visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Byte visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun unaryMinus (): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
           $this: CONST Int type=kotlin.Int value=42
@@ -55,7 +55,7 @@ FILE fqName:<root> fileName:/primitivesImplicitConversions.kt
       correspondingProperty: PROPERTY name:test6 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test6> (): kotlin.Byte declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Byte visibility:public [final,static]' type=kotlin.Byte origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.Byte visibility:private [final,static]' type=kotlin.Byte origin=null
   FUN name:test visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
       VAR name:test1 type:kotlin.Int? [val]
@@ -93,7 +93,7 @@ FILE fqName:<root> fileName:/primitivesImplicitConversions.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:TestImplicitArguments modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Long visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Long visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Long declared in <root>.TestImplicitArguments.<init>' type=kotlin.Long origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.TestImplicitArguments) returnType:kotlin.Long
@@ -101,7 +101,7 @@ FILE fqName:<root> fileName:/primitivesImplicitConversions.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.TestImplicitArguments
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Long declared in <root>.TestImplicitArguments'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Long visibility:public [final]' type=kotlin.Long origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Long visibility:private [final]' type=kotlin.Long origin=null
               receiver: GET_VAR '<this>: <root>.TestImplicitArguments declared in <root>.TestImplicitArguments.<get-x>' type=<root>.TestImplicitArguments origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/expressions/propertyReferences.fir.txt b/compiler/testData/ir/irText/expressions/propertyReferences.fir.txt
index 042aafd71b7..e809f90b8b9 100644
--- a/compiler/testData/ir/irText/expressions/propertyReferences.fir.txt
+++ b/compiler/testData/ir/irText/expressions/propertyReferences.fir.txt
@@ -38,7 +38,7 @@ FILE fqName:<root> fileName:/propertyReferences.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:OPEN visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:varWithPrivateSet visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:varWithPrivateSet type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:varWithPrivateSet type:kotlin.Int visibility:private
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=1
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-varWithPrivateSet> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -46,14 +46,14 @@ FILE fqName:<root> fileName:/propertyReferences.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-varWithPrivateSet> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithPrivateSet type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithPrivateSet type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-varWithPrivateSet>' type=<root>.C origin=null
       FUN name:<set-varWithPrivateSet> visibility:private modality:FINAL <> ($this:<root>.C, value:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:varWithPrivateSet visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         VALUE_PARAMETER name:value index:0 type:kotlin.Int
     PROPERTY name:varWithProtectedSet visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:varWithProtectedSet type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:varWithProtectedSet type:kotlin.Int visibility:private
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=1
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-varWithProtectedSet> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -61,7 +61,7 @@ FILE fqName:<root> fileName:/propertyReferences.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-varWithProtectedSet> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithProtectedSet type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithProtectedSet type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-varWithProtectedSet>' type=<root>.C origin=null
       FUN name:<set-varWithProtectedSet> visibility:protected modality:FINAL <> ($this:<root>.C, value:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:varWithProtectedSet visibility:public modality:FINAL [var]
@@ -81,71 +81,71 @@ FILE fqName:<root> fileName:/propertyReferences.kt
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
   PROPERTY name:valWithBackingField visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:valWithBackingField type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:valWithBackingField type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-valWithBackingField> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:valWithBackingField visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-valWithBackingField> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:valWithBackingField type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:valWithBackingField type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test_valWithBackingField visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_valWithBackingField type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_valWithBackingField type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
-        PROPERTY_REFERENCE 'public final valWithBackingField: kotlin.Int [val]' field='FIELD PROPERTY_BACKING_FIELD name:valWithBackingField type:kotlin.Int visibility:public [final,static]' getter='public final fun <get-valWithBackingField> (): kotlin.Int declared in <root>' setter=null type=kotlin.Int origin=null
+        PROPERTY_REFERENCE 'public final valWithBackingField: kotlin.Int [val]' field='FIELD PROPERTY_BACKING_FIELD name:valWithBackingField type:kotlin.Int visibility:private [final,static]' getter='public final fun <get-valWithBackingField> (): kotlin.Int declared in <root>' setter=null type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_valWithBackingField> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_valWithBackingField visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_valWithBackingField> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_valWithBackingField type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_valWithBackingField type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:varWithBackingField visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:varWithBackingField type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:varWithBackingField type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-varWithBackingField> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:varWithBackingField visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-varWithBackingField> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithBackingField type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithBackingField type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-varWithBackingField> visibility:public modality:FINAL <> (<set-?>:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:varWithBackingField visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithBackingField type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithBackingField type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.Int declared in <root>.<set-varWithBackingField>' type=kotlin.Int origin=null
   PROPERTY name:test_varWithBackingField visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_varWithBackingField type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_varWithBackingField type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
-        PROPERTY_REFERENCE 'public final varWithBackingField: kotlin.Int [var]' field='FIELD PROPERTY_BACKING_FIELD name:varWithBackingField type:kotlin.Int visibility:public [static]' getter='public final fun <get-varWithBackingField> (): kotlin.Int declared in <root>' setter='public final fun <set-varWithBackingField> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Int origin=null
+        PROPERTY_REFERENCE 'public final varWithBackingField: kotlin.Int [var]' field='FIELD PROPERTY_BACKING_FIELD name:varWithBackingField type:kotlin.Int visibility:private [static]' getter='public final fun <get-varWithBackingField> (): kotlin.Int declared in <root>' setter='public final fun <set-varWithBackingField> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_varWithBackingField> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_varWithBackingField visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_varWithBackingField> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithBackingField type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithBackingField type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:varWithBackingFieldAndAccessors visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:varWithBackingFieldAndAccessors type:kotlin.Int visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:varWithBackingFieldAndAccessors type:kotlin.Int visibility:private [static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN name:<get-varWithBackingFieldAndAccessors> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:varWithBackingFieldAndAccessors visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-varWithBackingFieldAndAccessors> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithBackingFieldAndAccessors type:kotlin.Int visibility:public [static]' type=kotlin.Int origin=GET_PROPERTY
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithBackingFieldAndAccessors type:kotlin.Int visibility:private [static]' type=kotlin.Int origin=GET_PROPERTY
     FUN name:<set-varWithBackingFieldAndAccessors> visibility:public modality:FINAL <> (value:kotlin.Int) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:varWithBackingFieldAndAccessors visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:value index:0 type:kotlin.Int
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithBackingFieldAndAccessors type:kotlin.Int visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:varWithBackingFieldAndAccessors type:kotlin.Int visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR 'value: kotlin.Int declared in <root>.<set-varWithBackingFieldAndAccessors>' type=kotlin.Int origin=null
   PROPERTY name:test_varWithBackingFieldAndAccessors visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_varWithBackingFieldAndAccessors type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_varWithBackingFieldAndAccessors type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
-        PROPERTY_REFERENCE 'public final varWithBackingFieldAndAccessors: kotlin.Int [var]' field='FIELD PROPERTY_BACKING_FIELD name:varWithBackingFieldAndAccessors type:kotlin.Int visibility:public [static]' getter='public final fun <get-varWithBackingFieldAndAccessors> (): kotlin.Int declared in <root>' setter='public final fun <set-varWithBackingFieldAndAccessors> (value: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Int origin=null
+        PROPERTY_REFERENCE 'public final varWithBackingFieldAndAccessors: kotlin.Int [var]' field='FIELD PROPERTY_BACKING_FIELD name:varWithBackingFieldAndAccessors type:kotlin.Int visibility:private [static]' getter='public final fun <get-varWithBackingFieldAndAccessors> (): kotlin.Int declared in <root>' setter='public final fun <set-varWithBackingFieldAndAccessors> (value: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_varWithBackingFieldAndAccessors> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_varWithBackingFieldAndAccessors visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_varWithBackingFieldAndAccessors> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithBackingFieldAndAccessors type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithBackingFieldAndAccessors type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:valWithAccessors visibility:public modality:FINAL [val]
     FUN name:<get-valWithAccessors> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:valWithAccessors visibility:public modality:FINAL [val]
@@ -153,14 +153,14 @@ FILE fqName:<root> fileName:/propertyReferences.kt
         RETURN type=kotlin.Nothing from='public final fun <get-valWithAccessors> (): kotlin.Int declared in <root>'
           CONST Int type=kotlin.Int value=1
   PROPERTY name:test_valWithAccessors visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_valWithAccessors type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_valWithAccessors type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         PROPERTY_REFERENCE 'public final valWithAccessors: kotlin.Int [val]' field=null getter='public final fun <get-valWithAccessors> (): kotlin.Int declared in <root>' setter=null type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_valWithAccessors> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_valWithAccessors visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_valWithAccessors> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_valWithAccessors type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_valWithAccessors type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:varWithAccessors visibility:public modality:FINAL [var]
     FUN name:<get-varWithAccessors> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:varWithAccessors visibility:public modality:FINAL [var]
@@ -172,14 +172,14 @@ FILE fqName:<root> fileName:/propertyReferences.kt
       VALUE_PARAMETER name:value index:0 type:kotlin.Int
       BLOCK_BODY
   PROPERTY name:test_varWithAccessors visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_varWithAccessors type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_varWithAccessors type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         PROPERTY_REFERENCE 'public final varWithAccessors: kotlin.Int [var]' field=null getter='public final fun <get-varWithAccessors> (): kotlin.Int declared in <root>' setter='public final fun <set-varWithAccessors> (value: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_varWithAccessors> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_varWithAccessors visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_varWithAccessors> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithAccessors type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithAccessors type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:delegatedVal visibility:public modality:FINAL [delegated,val]
     FIELD DELEGATE name:delegatedVal$delegate type:<root>.Delegate visibility:private [final,static]
       EXPRESSION_BODY
@@ -193,14 +193,14 @@ FILE fqName:<root> fileName:/propertyReferences.kt
             thisRef: CONST Null type=kotlin.Nothing? value=null
             kProp: PROPERTY_REFERENCE 'public final delegatedVal: kotlin.Int [delegated,val]' field='FIELD DELEGATE name:delegatedVal$delegate type:<root>.Delegate visibility:private [final,static]' getter=null setter=null type=kotlin.reflect.KProperty<*> origin=null
   PROPERTY name:test_delegatedVal visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_delegatedVal type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_delegatedVal type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         PROPERTY_REFERENCE 'public final delegatedVal: kotlin.Int [delegated,val]' field='FIELD DELEGATE name:delegatedVal$delegate type:<root>.Delegate visibility:private [final,static]' getter='public final fun <get-delegatedVal> (): kotlin.Int declared in <root>' setter=null type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_delegatedVal> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_delegatedVal visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_delegatedVal> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_delegatedVal type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_delegatedVal type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:delegatedVar visibility:public modality:FINAL [delegated,var]
     FIELD DELEGATE name:delegatedVar$delegate type:<root>.Delegate visibility:private [final,static]
       EXPRESSION_BODY
@@ -223,65 +223,66 @@ FILE fqName:<root> fileName:/propertyReferences.kt
           kProp: PROPERTY_REFERENCE 'public final delegatedVar: kotlin.Int [delegated,var]' field='FIELD DELEGATE name:delegatedVar$delegate type:<root>.Delegate visibility:private [final,static]' getter='public final fun <get-delegatedVar> (): kotlin.Int declared in <root>' setter=null type=kotlin.reflect.KProperty<*> origin=null
           value: GET_VAR '<set-?>: kotlin.Int declared in <root>.<set-delegatedVar>' type=kotlin.Int origin=null
   PROPERTY name:test_delegatedVar visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_delegatedVar type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_delegatedVar type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         PROPERTY_REFERENCE 'public final delegatedVar: kotlin.Int [delegated,var]' field='FIELD DELEGATE name:delegatedVar$delegate type:<root>.Delegate visibility:private [final,static]' getter='public final fun <get-delegatedVar> (): kotlin.Int declared in <root>' setter='public final fun <set-delegatedVar> (<set-?>: kotlin.Int): kotlin.Unit declared in <root>' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_delegatedVar> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_delegatedVar visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_delegatedVar> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_delegatedVar type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_delegatedVar type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:constVal visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:constVal type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:constVal type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-constVal> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:constVal visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-constVal> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:constVal type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:constVal type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test_constVal visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_constVal type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_constVal type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
-        PROPERTY_REFERENCE 'public final constVal: kotlin.Int [val]' field='FIELD PROPERTY_BACKING_FIELD name:constVal type:kotlin.Int visibility:public [final,static]' getter='public final fun <get-constVal> (): kotlin.Int declared in <root>' setter=null type=kotlin.Int origin=null
+        PROPERTY_REFERENCE 'public final constVal: kotlin.Int [val]' field='FIELD PROPERTY_BACKING_FIELD name:constVal type:kotlin.Int visibility:private [final,static]' getter='public final fun <get-constVal> (): kotlin.Int declared in <root>' setter=null type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_constVal> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_constVal visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_constVal> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_constVal type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_constVal type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test_J_CONST visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_J_CONST type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_J_CONST type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: Q|J|::R|/J.CONST|' type=kotlin.Int
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_J_CONST> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_J_CONST visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_J_CONST> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_J_CONST type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_J_CONST type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test_J_nonConst visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_J_nonConst type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_J_nonConst type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: Q|J|::R|/J.nonConst|' type=kotlin.Int
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_J_nonConst> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test_J_nonConst visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_J_nonConst> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_J_nonConst type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_J_nonConst type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test_varWithPrivateSet visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_varWithPrivateSet type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_varWithPrivateSet type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: Q|C|::<Unresolved name: varWithPrivateSet>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_varWithPrivateSet> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test_varWithPrivateSet visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_varWithPrivateSet> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithPrivateSet type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithPrivateSet type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test_varWithProtectedSet visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test_varWithProtectedSet type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test_varWithProtectedSet type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: Q|C|::<Unresolved name: varWithProtectedSet>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test_varWithProtectedSet> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test_varWithProtectedSet visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test_varWithProtectedSet> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithProtectedSet type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test_varWithProtectedSet type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/references.fir.txt b/compiler/testData/ir/irText/expressions/references.fir.txt
index 6ddd47e6ac7..aa769def9d3 100644
--- a/compiler/testData/ir/irText/expressions/references.fir.txt
+++ b/compiler/testData/ir/irText/expressions/references.fir.txt
@@ -1,22 +1,22 @@
 FILE fqName:<root> fileName:/references.kt
   PROPERTY name:ok visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:ok type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:ok type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="OK"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-ok> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:ok visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-ok> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ok type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ok type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:ok2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:ok2 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:ok2 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun <get-ok> (): kotlin.String declared in <root>' type=kotlin.String origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-ok2> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:ok2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-ok2> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ok2 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:ok2 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:ok3 visibility:public modality:FINAL [val]
     FUN name:<get-ok3> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:ok3 visibility:public modality:FINAL [val]
diff --git a/compiler/testData/ir/irText/expressions/reflectionLiterals.fir.txt b/compiler/testData/ir/irText/expressions/reflectionLiterals.fir.txt
index 02e2b14b33d..8df16ad433d 100644
--- a/compiler/testData/ir/irText/expressions/reflectionLiterals.fir.txt
+++ b/compiler/testData/ir/irText/expressions/reflectionLiterals.fir.txt
@@ -24,16 +24,16 @@ FILE fqName:<root> fileName:/reflectionLiterals.kt
   FUN name:bar visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
   PROPERTY name:qux visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:qux type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:qux type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-qux> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:qux visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-qux> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:qux type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:qux type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.reflect.KClass<<root>.A> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.reflect.KClass<<root>.A> visibility:private [final,static]
       EXPRESSION_BODY
         GET_CLASS type=kotlin.reflect.KClass<<root>.A>
           GET_OBJECT 'CLASS CLASS name:A modality:FINAL visibility:public superTypes:[kotlin.Any]' type=kotlin.Unit
@@ -41,9 +41,9 @@ FILE fqName:<root> fileName:/reflectionLiterals.kt
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.reflect.KClass<<root>.A> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.reflect.KClass<<root>.A> visibility:public [final,static]' type=kotlin.reflect.KClass<<root>.A> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.reflect.KClass<<root>.A> visibility:private [final,static]' type=kotlin.reflect.KClass<<root>.A> origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.reflect.KClass<kotlin.Int> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.reflect.KClass<kotlin.Int> visibility:private [final,static]
       EXPRESSION_BODY
         GET_CLASS type=kotlin.reflect.KClass<kotlin.Int>
           CALL 'public final fun <get-qux> (): kotlin.Int declared in <root>' type=kotlin.Int origin=null
@@ -51,40 +51,41 @@ FILE fqName:<root> fileName:/reflectionLiterals.kt
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.reflect.KClass<kotlin.Int> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.reflect.KClass<kotlin.Int> visibility:public [final,static]' type=kotlin.reflect.KClass<kotlin.Int> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.reflect.KClass<kotlin.Int> visibility:private [final,static]' type=kotlin.reflect.KClass<kotlin.Int> origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: Q|A|::<Unresolved name: foo>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test3> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test4 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Unit visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Unit visibility:private [final,static]
       EXPRESSION_BODY
         GET_OBJECT 'CLASS CLASS name:A modality:FINAL visibility:public superTypes:[kotlin.Any]' type=kotlin.Unit
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test4> visibility:public modality:FINAL <> () returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test4> (): kotlin.Unit declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Unit visibility:public [final,static]' type=kotlin.Unit origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.Unit visibility:private [final,static]' type=kotlin.Unit origin=null
   PROPERTY name:test5 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test5 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test5 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: R|/A.A|()::<Unresolved name: foo>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test5> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test5 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test5> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
   PROPERTY name:test6 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test6 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test6 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unsupported callable reference: ::<Unresolved name: bar>#' type=IrErrorType
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test6> visibility:public modality:FINAL <> () returnType:IrErrorType
       correspondingProperty: PROPERTY name:test6 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test6> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test6 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test6 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/safeAssignment.fir.txt b/compiler/testData/ir/irText/expressions/safeAssignment.fir.txt
index 91a6f542596..b86679a24a8 100644
--- a/compiler/testData/ir/irText/expressions/safeAssignment.fir.txt
+++ b/compiler/testData/ir/irText/expressions/safeAssignment.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/safeAssignment.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.C.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -15,14 +15,14 @@ FILE fqName:<root> fileName:/safeAssignment.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-x>' type=<root>.C origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-x> visibility:public modality:FINAL <> ($this:<root>.C, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<set-x>' type=<root>.C origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.C.<set-x>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -41,6 +41,6 @@ FILE fqName:<root> fileName:/safeAssignment.kt
   FUN name:test visibility:public modality:FINAL <> (nc:<root>.C?) returnType:kotlin.Unit
     VALUE_PARAMETER name:nc index:0 type:<root>.C?
     BLOCK_BODY
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
         receiver: GET_VAR 'nc: <root>.C? declared in <root>.test' type=<root>.C? origin=null
         value: CONST Int type=kotlin.Int? value=42
diff --git a/compiler/testData/ir/irText/expressions/safeCalls.fir.txt b/compiler/testData/ir/irText/expressions/safeCalls.fir.txt
index ff03e1bce9c..c5c0b893c15 100644
--- a/compiler/testData/ir/irText/expressions/safeCalls.fir.txt
+++ b/compiler/testData/ir/irText/expressions/safeCalls.fir.txt
@@ -7,7 +7,7 @@ FILE fqName:<root> fileName:/safeCalls.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Ref modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.Int declared in <root>.Ref.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.Ref) returnType:kotlin.Int
@@ -15,14 +15,14 @@ FILE fqName:<root> fileName:/safeCalls.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Ref
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.Int declared in <root>.Ref'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.Ref declared in <root>.Ref.<get-value>' type=<root>.Ref origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-value> visibility:public modality:FINAL <> ($this:<root>.Ref, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:value visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.Ref
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Ref declared in <root>.Ref.<set-value>' type=<root>.Ref origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.Ref.<set-value>' type=kotlin.Int origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
@@ -81,7 +81,7 @@ FILE fqName:<root> fileName:/safeCalls.kt
   FUN name:test4 visibility:public modality:FINAL <> (x:<root>.Ref?) returnType:kotlin.Unit
     VALUE_PARAMETER name:x index:0 type:<root>.Ref?
     BLOCK_BODY
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
         receiver: GET_VAR 'x: <root>.Ref? declared in <root>.test4' type=<root>.Ref? origin=null
         value: CONST Int type=kotlin.Int? value=0
   FUN name:test5 visibility:public modality:FINAL <> ($receiver:<root>.IHost, s:kotlin.String?) returnType:kotlin.Int
diff --git a/compiler/testData/ir/irText/expressions/sam/samConversionInGenericConstructorCall_NI.fir.txt b/compiler/testData/ir/irText/expressions/sam/samConversionInGenericConstructorCall_NI.fir.txt
index 5caa99e6086..66ed86cdd4d 100644
--- a/compiler/testData/ir/irText/expressions/sam/samConversionInGenericConstructorCall_NI.fir.txt
+++ b/compiler/testData/ir/irText/expressions/sam/samConversionInGenericConstructorCall_NI.fir.txt
@@ -15,7 +15,7 @@ FILE fqName:<root> fileName:/samConversionInGenericConstructorCall_NI.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Outer modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:j11 visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:j11 type:<root>.J<T1 of <root>.Outer, T1 of <root>.Outer> visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:j11 type:<root>.J<T1 of <root>.Outer, T1 of <root>.Outer> visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'j11: <root>.J<T1 of <uninitialized parent>, T1 of <uninitialized parent>> declared in <root>.Outer.<init>' type=<root>.J<T1 of <uninitialized parent>, T1 of <uninitialized parent>> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-j11> visibility:public modality:FINAL <> ($this:<root>.Outer) returnType:<root>.J<T1 of <root>.Outer, T1 of <root>.Outer>
@@ -23,7 +23,7 @@ FILE fqName:<root> fileName:/samConversionInGenericConstructorCall_NI.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Outer
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-j11> (): <root>.J<T1 of <root>.Outer, T1 of <root>.Outer> declared in <root>.Outer'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:j11 type:<root>.J<T1 of <root>.Outer, T1 of <root>.Outer> visibility:public [final]' type=<root>.J<T1 of <root>.Outer, T1 of <root>.Outer> origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:j11 type:<root>.J<T1 of <root>.Outer, T1 of <root>.Outer> visibility:private [final]' type=<root>.J<T1 of <root>.Outer, T1 of <root>.Outer> origin=null
               receiver: GET_VAR '<this>: <root>.Outer declared in <root>.Outer.<get-j11>' type=<root>.Outer origin=null
     CLASS CLASS name:Inner modality:FINAL visibility:public [inner] superTypes:[kotlin.Any]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Outer.Inner
@@ -34,7 +34,7 @@ FILE fqName:<root> fileName:/samConversionInGenericConstructorCall_NI.kt
           DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Inner modality:FINAL visibility:public [inner] superTypes:[kotlin.Any]'
       PROPERTY name:j12 visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:j12 type:<root>.J<T1 of <root>.Outer, T2 of <root>.Outer.Inner> visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:j12 type:<root>.J<T1 of <root>.Outer, T2 of <root>.Outer.Inner> visibility:private [final]
           EXPRESSION_BODY
             GET_VAR 'j12: <root>.J<T1 of <root>.Outer, T2 of <uninitialized parent>> declared in <root>.Outer.Inner.<init>' type=<root>.J<T1 of <root>.Outer, T2 of <uninitialized parent>> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-j12> visibility:public modality:FINAL <> ($this:<root>.Outer.Inner) returnType:<root>.J<T1 of <root>.Outer, T2 of <root>.Outer.Inner>
@@ -42,7 +42,7 @@ FILE fqName:<root> fileName:/samConversionInGenericConstructorCall_NI.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Outer.Inner
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-j12> (): <root>.J<T1 of <root>.Outer, T2 of <root>.Outer.Inner> declared in <root>.Outer.Inner'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:j12 type:<root>.J<T1 of <root>.Outer, T2 of <root>.Outer.Inner> visibility:public [final]' type=<root>.J<T1 of <root>.Outer, T2 of <root>.Outer.Inner> origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:j12 type:<root>.J<T1 of <root>.Outer, T2 of <root>.Outer.Inner> visibility:private [final]' type=<root>.J<T1 of <root>.Outer, T2 of <root>.Outer.Inner> origin=null
                 receiver: GET_VAR '<this>: <root>.Outer.Inner declared in <root>.Outer.Inner.<get-j12>' type=<root>.Outer.Inner origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
         overridden:
diff --git a/compiler/testData/ir/irText/expressions/signedToUnsignedConversions_test.fir.txt b/compiler/testData/ir/irText/expressions/signedToUnsignedConversions_test.fir.txt
index dd45e27b228..79c9ed06a43 100644
--- a/compiler/testData/ir/irText/expressions/signedToUnsignedConversions_test.fir.txt
+++ b/compiler/testData/ir/irText/expressions/signedToUnsignedConversions_test.fir.txt
@@ -2,69 +2,69 @@ FILE fqName:<root> fileName:/signedToUnsignedConversions_test.kt
   PROPERTY name:IMPLICIT_INT visibility:public modality:FINAL [const,val]
     annotations:
       ImplicitIntegerCoercion
-    FIELD PROPERTY_BACKING_FIELD name:IMPLICIT_INT type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:IMPLICIT_INT type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=255
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-IMPLICIT_INT> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:IMPLICIT_INT visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-IMPLICIT_INT> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:IMPLICIT_INT type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:IMPLICIT_INT type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:EXPLICIT_INT visibility:public modality:FINAL [const,val]
     annotations:
       ImplicitIntegerCoercion
-    FIELD PROPERTY_BACKING_FIELD name:EXPLICIT_INT type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:EXPLICIT_INT type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=255
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-EXPLICIT_INT> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:EXPLICIT_INT visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-EXPLICIT_INT> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:EXPLICIT_INT type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:EXPLICIT_INT type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:LONG_CONST visibility:public modality:FINAL [const,val]
     annotations:
       ImplicitIntegerCoercion
-    FIELD PROPERTY_BACKING_FIELD name:LONG_CONST type:kotlin.Long visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:LONG_CONST type:kotlin.Long visibility:private [final,static]
       EXPRESSION_BODY
         CONST Long type=kotlin.Long value=255
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-LONG_CONST> visibility:public modality:FINAL <> () returnType:kotlin.Long
       correspondingProperty: PROPERTY name:LONG_CONST visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-LONG_CONST> (): kotlin.Long declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:LONG_CONST type:kotlin.Long visibility:public [final,static]' type=kotlin.Long origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:LONG_CONST type:kotlin.Long visibility:private [final,static]' type=kotlin.Long origin=null
   PROPERTY name:NON_CONST visibility:public modality:FINAL [val]
     annotations:
       ImplicitIntegerCoercion
-    FIELD PROPERTY_BACKING_FIELD name:NON_CONST type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:NON_CONST type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=255
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-NON_CONST> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:NON_CONST visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-NON_CONST> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:NON_CONST type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:NON_CONST type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:BIGGER_THAN_UBYTE visibility:public modality:FINAL [const,val]
     annotations:
       ImplicitIntegerCoercion
-    FIELD PROPERTY_BACKING_FIELD name:BIGGER_THAN_UBYTE type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:BIGGER_THAN_UBYTE type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=256
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-BIGGER_THAN_UBYTE> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:BIGGER_THAN_UBYTE visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-BIGGER_THAN_UBYTE> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:BIGGER_THAN_UBYTE type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:BIGGER_THAN_UBYTE type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:UINT_CONST visibility:public modality:FINAL [const,val]
     annotations:
       ImplicitIntegerCoercion
-    FIELD PROPERTY_BACKING_FIELD name:UINT_CONST type:kotlin.Long visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:UINT_CONST type:kotlin.Long visibility:private [final,static]
       EXPRESSION_BODY
         CONST Long type=kotlin.Long value=42
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-UINT_CONST> visibility:public modality:FINAL <> () returnType:kotlin.Long
       correspondingProperty: PROPERTY name:UINT_CONST visibility:public modality:FINAL [const,val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-UINT_CONST> (): kotlin.Long declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:UINT_CONST type:kotlin.Long visibility:public [final,static]' type=kotlin.Long origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:UINT_CONST type:kotlin.Long visibility:private [final,static]' type=kotlin.Long origin=null
   FUN name:takeUByte visibility:public modality:FINAL <> (u:kotlin.UByte) returnType:kotlin.Unit
     VALUE_PARAMETER name:u index:0 type:kotlin.UByte
     BLOCK_BODY
diff --git a/compiler/testData/ir/irText/expressions/specializedTypeAliasConstructorCall.fir.txt b/compiler/testData/ir/irText/expressions/specializedTypeAliasConstructorCall.fir.txt
index a853444f619..cdc2e4ef3f1 100644
--- a/compiler/testData/ir/irText/expressions/specializedTypeAliasConstructorCall.fir.txt
+++ b/compiler/testData/ir/irText/expressions/specializedTypeAliasConstructorCall.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/specializedTypeAliasConstructorCall.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Cell modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: T of <uninitialized parent> declared in <root>.Cell.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.Cell) returnType:T of <root>.Cell
@@ -16,7 +16,7 @@ FILE fqName:<root> fileName:/specializedTypeAliasConstructorCall.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Cell
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): T of <root>.Cell declared in <root>.Cell'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:public [final]' type=T of <root>.Cell origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:private [final]' type=T of <root>.Cell origin=null
               receiver: GET_VAR '<this>: <root>.Cell declared in <root>.Cell.<get-value>' type=<root>.Cell origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/expressions/stringTemplates.fir.txt b/compiler/testData/ir/irText/expressions/stringTemplates.fir.txt
index 3ee34d2b9f5..2c50b81982b 100644
--- a/compiler/testData/ir/irText/expressions/stringTemplates.fir.txt
+++ b/compiler/testData/ir/irText/expressions/stringTemplates.fir.txt
@@ -4,61 +4,61 @@ FILE fqName:<root> fileName:/stringTemplates.kt
       RETURN type=kotlin.Nothing from='public final fun foo (): kotlin.String declared in <root>'
         CONST String type=kotlin.String value=""
   PROPERTY name:x visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=42
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value=""
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="abc"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test2> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value=""
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test3> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test4 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="abc"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test4> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test4 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test4> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test4 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test5 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CONST String type=kotlin.String value="\nabc\n"
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test5> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test5 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test5> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test5 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test6 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         STRING_CONCATENATION type=kotlin.String
           CALL 'public final fun <get-test1> (): kotlin.String declared in <root>' type=kotlin.String origin=null
@@ -68,31 +68,32 @@ FILE fqName:<root> fileName:/stringTemplates.kt
       correspondingProperty: PROPERTY name:test6 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test6> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test6 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test7 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test7 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test7 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun <get-test1> (): kotlin.String declared in <root>' type=kotlin.String origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test7> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test7 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test7> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test7 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test7 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test8 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test8 type:kotlin.String visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test8 type:kotlin.String visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun foo (): kotlin.String declared in <root>' type=kotlin.String origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test8> visibility:public modality:FINAL <> () returnType:kotlin.String
       correspondingProperty: PROPERTY name:test8 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test8> (): kotlin.String declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test8 type:kotlin.String visibility:public [final,static]' type=kotlin.String origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test8 type:kotlin.String visibility:private [final,static]' type=kotlin.String origin=null
   PROPERTY name:test9 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test9 type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test9 type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun <get-x> (): kotlin.Int declared in <root>' type=kotlin.Int origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test9> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test9 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test9> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test9 type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test9 type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/temporaryInEnumEntryInitializer.fir.txt b/compiler/testData/ir/irText/expressions/temporaryInEnumEntryInitializer.fir.txt
index 42dfd62f8e0..7b6fdde6506 100644
--- a/compiler/testData/ir/irText/expressions/temporaryInEnumEntryInitializer.fir.txt
+++ b/compiler/testData/ir/irText/expressions/temporaryInEnumEntryInitializer.fir.txt
@@ -1,13 +1,13 @@
 FILE fqName:<root> fileName:/temporaryInEnumEntryInitializer.kt
   PROPERTY name:n visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:n type:kotlin.Any? visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:n type:kotlin.Any? visibility:private [final,static]
       EXPRESSION_BODY
         CONST Null type=kotlin.Nothing? value=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-n> visibility:public modality:FINAL <> () returnType:kotlin.Any?
       correspondingProperty: PROPERTY name:n visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-n> (): kotlin.Any? declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:n type:kotlin.Any? visibility:public [final,static]' type=kotlin.Any? origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:n type:kotlin.Any? visibility:private [final,static]' type=kotlin.Any? origin=null
   CLASS ENUM_CLASS name:En modality:FINAL visibility:public superTypes:[kotlin.Enum]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.En
     CONSTRUCTOR visibility:private <> (x:kotlin.String?) returnType:<root>.En [primary]
@@ -17,7 +17,7 @@ FILE fqName:<root> fileName:/temporaryInEnumEntryInitializer.kt
           <E>: <none>
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS ENUM_CLASS name:En modality:FINAL visibility:public superTypes:[kotlin.Enum]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String? visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String? visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.String? declared in <root>.En.<init>' type=kotlin.String? origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.En) returnType:kotlin.String?
@@ -25,7 +25,7 @@ FILE fqName:<root> fileName:/temporaryInEnumEntryInitializer.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.En
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.String? declared in <root>.En'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String? visibility:public [final]' type=kotlin.String? origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.String? visibility:private [final]' type=kotlin.String? origin=null
               receiver: GET_VAR '<this>: <root>.En declared in <root>.En.<get-x>' type=<root>.En origin=null
     CLASS ENUM_ENTRY name:ENTRY modality:FINAL visibility:public superTypes:[<root>.En]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.En.ENTRY
diff --git a/compiler/testData/ir/irText/expressions/temporaryInInitBlock.fir.txt b/compiler/testData/ir/irText/expressions/temporaryInInitBlock.fir.txt
index 7e4e27977ee..bc196e56565 100644
--- a/compiler/testData/ir/irText/expressions/temporaryInInitBlock.fir.txt
+++ b/compiler/testData/ir/irText/expressions/temporaryInInitBlock.fir.txt
@@ -7,17 +7,17 @@ FILE fqName:<root> fileName:/temporaryInInitBlock.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:s visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String? visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String? visibility:private [final]
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-s> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.String?
         correspondingProperty: PROPERTY name:s visibility:public modality:FINAL [val]
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-s> (): kotlin.String? declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String? visibility:public [final]' type=kotlin.String? origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String? visibility:private [final]' type=kotlin.String? origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-s>' type=<root>.C origin=null
     ANONYMOUS_INITIALIZER isStatic=false
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String? visibility:public [final]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:s type:kotlin.String? visibility:private [final]' type=kotlin.Unit origin=null
           receiver: GET_VAR '<this>: <root>.C declared in <root>.C' type=<root>.C origin=null
           value: CALL 'public open fun toString (): kotlin.String declared in kotlin.Any' type=kotlin.String origin=null
             $this: GET_VAR 'x: kotlin.Any? declared in <root>.C.<init>' type=kotlin.Any? origin=null
diff --git a/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.fir.txt b/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.fir.txt
index 3e8fd1f88ad..efab0a74f09 100644
--- a/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.fir.txt
+++ b/compiler/testData/ir/irText/expressions/thisOfGenericOuterClass.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/thisOfGenericOuterClass.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Outer modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Outer visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Outer visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: T of <uninitialized parent> declared in <root>.Outer.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Outer) returnType:T of <root>.Outer
@@ -16,7 +16,7 @@ FILE fqName:<root> fileName:/thisOfGenericOuterClass.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Outer
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): T of <root>.Outer declared in <root>.Outer'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Outer visibility:public [final]' type=T of <root>.Outer origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Outer visibility:private [final]' type=T of <root>.Outer origin=null
               receiver: GET_VAR '<this>: <root>.Outer declared in <root>.Outer.<get-x>' type=<root>.Outer origin=null
     CLASS CLASS name:Inner modality:OPEN visibility:public [inner] superTypes:[kotlin.Any]
       $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Outer.Inner
@@ -26,7 +26,7 @@ FILE fqName:<root> fileName:/thisOfGenericOuterClass.kt
           DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
           INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Inner modality:OPEN visibility:public [inner] superTypes:[kotlin.Any]'
       PROPERTY name:y visibility:public modality:FINAL [val]
-        FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]
+        FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]
           EXPRESSION_BODY
             GET_VAR 'y: kotlin.Int declared in <root>.Outer.Inner.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
         FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.Outer.Inner) returnType:kotlin.Int
@@ -34,7 +34,7 @@ FILE fqName:<root> fileName:/thisOfGenericOuterClass.kt
           $this: VALUE_PARAMETER name:<this> type:<root>.Outer.Inner
           BLOCK_BODY
             RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.Outer.Inner'
-              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+              GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
                 receiver: GET_VAR '<this>: <root>.Outer.Inner declared in <root>.Outer.Inner.<get-y>' type=<root>.Outer.Inner origin=null
       FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
         overridden:
@@ -75,7 +75,7 @@ FILE fqName:<root> fileName:/thisOfGenericOuterClass.kt
                   y: CONST Int type=<root>.Outer.Inner<kotlin.Int> value=42
                 INSTANCE_INITIALIZER_CALL classDescriptor='CLASS OBJECT name:<no name provided> modality:FINAL visibility:local superTypes:[<root>.Outer.Inner<kotlin.Int>]'
             PROPERTY name:xx visibility:public modality:FINAL [val]
-              FIELD PROPERTY_BACKING_FIELD name:xx type:IrErrorType visibility:public [final]
+              FIELD PROPERTY_BACKING_FIELD name:xx type:IrErrorType visibility:private [final]
                 EXPRESSION_BODY
                   ERROR_CALL 'Unresolved reference: <Inapplicable(WRONG_RECEIVER): [kotlin/plus]>#' type=IrErrorType
                     ERROR_CALL 'Unresolved reference: <Unresolved name: y>#' type=IrErrorType
@@ -84,6 +84,6 @@ FILE fqName:<root> fileName:/thisOfGenericOuterClass.kt
                 $this: VALUE_PARAMETER name:<this> type:<root>.test.<no name provided>
                 BLOCK_BODY
                   RETURN type=kotlin.Nothing from='public final fun <get-xx> (): IrErrorType declared in <root>.test.<no name provided>'
-                    GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xx type:IrErrorType visibility:public [final]' type=IrErrorType origin=null
+                    GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:xx type:IrErrorType visibility:private [final]' type=IrErrorType origin=null
                       receiver: GET_VAR '<this>: <root>.test.<no name provided> declared in <root>.test.<no name provided>.<get-xx>' type=<root>.test.<no name provided> origin=null
           CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.test.<no name provided>' type=<root>.test.<no name provided> origin=null
diff --git a/compiler/testData/ir/irText/expressions/unsignedIntegerLiterals.fir.txt b/compiler/testData/ir/irText/expressions/unsignedIntegerLiterals.fir.txt
index e77d915eddb..b7e8de5899e 100644
--- a/compiler/testData/ir/irText/expressions/unsignedIntegerLiterals.fir.txt
+++ b/compiler/testData/ir/irText/expressions/unsignedIntegerLiterals.fir.txt
@@ -1,60 +1,60 @@
 FILE fqName:<root> fileName:/unsignedIntegerLiterals.kt
   PROPERTY name:testSimpleUIntLiteral visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testSimpleUIntLiteral type:kotlin.Long visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testSimpleUIntLiteral type:kotlin.Long visibility:private [final,static]
       EXPRESSION_BODY
         CONST Long type=kotlin.Long value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testSimpleUIntLiteral> visibility:public modality:FINAL <> () returnType:kotlin.Long
       correspondingProperty: PROPERTY name:testSimpleUIntLiteral visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testSimpleUIntLiteral> (): kotlin.Long declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testSimpleUIntLiteral type:kotlin.Long visibility:public [final,static]' type=kotlin.Long origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testSimpleUIntLiteral type:kotlin.Long visibility:private [final,static]' type=kotlin.Long origin=null
   PROPERTY name:testSimpleUIntLiteralWithOverflow visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testSimpleUIntLiteralWithOverflow type:kotlin.Long visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testSimpleUIntLiteralWithOverflow type:kotlin.Long visibility:private [final,static]
       EXPRESSION_BODY
         CONST Long type=kotlin.Long value=4294967295
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testSimpleUIntLiteralWithOverflow> visibility:public modality:FINAL <> () returnType:kotlin.Long
       correspondingProperty: PROPERTY name:testSimpleUIntLiteralWithOverflow visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testSimpleUIntLiteralWithOverflow> (): kotlin.Long declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testSimpleUIntLiteralWithOverflow type:kotlin.Long visibility:public [final,static]' type=kotlin.Long origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testSimpleUIntLiteralWithOverflow type:kotlin.Long visibility:private [final,static]' type=kotlin.Long origin=null
   PROPERTY name:testUByteWithExpectedType visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testUByteWithExpectedType type:kotlin.UByte visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testUByteWithExpectedType type:kotlin.UByte visibility:private [final,static]
       EXPRESSION_BODY
         CONST Long type=kotlin.UByte value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testUByteWithExpectedType> visibility:public modality:FINAL <> () returnType:kotlin.UByte
       correspondingProperty: PROPERTY name:testUByteWithExpectedType visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testUByteWithExpectedType> (): kotlin.UByte declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testUByteWithExpectedType type:kotlin.UByte visibility:public [final,static]' type=kotlin.UByte origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testUByteWithExpectedType type:kotlin.UByte visibility:private [final,static]' type=kotlin.UByte origin=null
   PROPERTY name:testUShortWithExpectedType visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testUShortWithExpectedType type:kotlin.UShort visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testUShortWithExpectedType type:kotlin.UShort visibility:private [final,static]
       EXPRESSION_BODY
         CONST Long type=kotlin.UShort value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testUShortWithExpectedType> visibility:public modality:FINAL <> () returnType:kotlin.UShort
       correspondingProperty: PROPERTY name:testUShortWithExpectedType visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testUShortWithExpectedType> (): kotlin.UShort declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testUShortWithExpectedType type:kotlin.UShort visibility:public [final,static]' type=kotlin.UShort origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testUShortWithExpectedType type:kotlin.UShort visibility:private [final,static]' type=kotlin.UShort origin=null
   PROPERTY name:testUIntWithExpectedType visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testUIntWithExpectedType type:kotlin.UInt visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testUIntWithExpectedType type:kotlin.UInt visibility:private [final,static]
       EXPRESSION_BODY
         CONST Long type=kotlin.UInt value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testUIntWithExpectedType> visibility:public modality:FINAL <> () returnType:kotlin.UInt
       correspondingProperty: PROPERTY name:testUIntWithExpectedType visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testUIntWithExpectedType> (): kotlin.UInt declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testUIntWithExpectedType type:kotlin.UInt visibility:public [final,static]' type=kotlin.UInt origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testUIntWithExpectedType type:kotlin.UInt visibility:private [final,static]' type=kotlin.UInt origin=null
   PROPERTY name:testULongWithExpectedType visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testULongWithExpectedType type:kotlin.ULong visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testULongWithExpectedType type:kotlin.ULong visibility:private [final,static]
       EXPRESSION_BODY
         CONST Long type=kotlin.ULong value=1
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-testULongWithExpectedType> visibility:public modality:FINAL <> () returnType:kotlin.ULong
       correspondingProperty: PROPERTY name:testULongWithExpectedType visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testULongWithExpectedType> (): kotlin.ULong declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testULongWithExpectedType type:kotlin.ULong visibility:public [final,static]' type=kotlin.ULong origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testULongWithExpectedType type:kotlin.ULong visibility:private [final,static]' type=kotlin.ULong origin=null
   PROPERTY name:testToUByte visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testToUByte type:kotlin.UByte visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testToUByte type:kotlin.UByte visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun toUByte (): kotlin.UByte [inline] declared in kotlin' type=kotlin.UByte origin=null
           $receiver: CONST Int type=kotlin.Int value=1
@@ -62,9 +62,9 @@ FILE fqName:<root> fileName:/unsignedIntegerLiterals.kt
       correspondingProperty: PROPERTY name:testToUByte visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testToUByte> (): kotlin.UByte declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testToUByte type:kotlin.UByte visibility:public [final,static]' type=kotlin.UByte origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testToUByte type:kotlin.UByte visibility:private [final,static]' type=kotlin.UByte origin=null
   PROPERTY name:testToUShort visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testToUShort type:kotlin.UShort visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testToUShort type:kotlin.UShort visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun toUShort (): kotlin.UShort [inline] declared in kotlin' type=kotlin.UShort origin=null
           $receiver: CONST Int type=kotlin.Int value=1
@@ -72,9 +72,9 @@ FILE fqName:<root> fileName:/unsignedIntegerLiterals.kt
       correspondingProperty: PROPERTY name:testToUShort visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testToUShort> (): kotlin.UShort declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testToUShort type:kotlin.UShort visibility:public [final,static]' type=kotlin.UShort origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testToUShort type:kotlin.UShort visibility:private [final,static]' type=kotlin.UShort origin=null
   PROPERTY name:testToUInt visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testToUInt type:kotlin.UInt visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testToUInt type:kotlin.UInt visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun toUInt (): kotlin.UInt [inline] declared in kotlin' type=kotlin.UInt origin=null
           $receiver: CONST Int type=kotlin.Int value=1
@@ -82,9 +82,9 @@ FILE fqName:<root> fileName:/unsignedIntegerLiterals.kt
       correspondingProperty: PROPERTY name:testToUInt visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testToUInt> (): kotlin.UInt declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testToUInt type:kotlin.UInt visibility:public [final,static]' type=kotlin.UInt origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testToUInt type:kotlin.UInt visibility:private [final,static]' type=kotlin.UInt origin=null
   PROPERTY name:testToULong visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:testToULong type:kotlin.ULong visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:testToULong type:kotlin.ULong visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun toULong (): kotlin.ULong [inline] declared in kotlin' type=kotlin.ULong origin=null
           $receiver: CONST Int type=kotlin.Int value=1
@@ -92,4 +92,5 @@ FILE fqName:<root> fileName:/unsignedIntegerLiterals.kt
       correspondingProperty: PROPERTY name:testToULong visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-testToULong> (): kotlin.ULong declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testToULong type:kotlin.ULong visibility:public [final,static]' type=kotlin.ULong origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:testToULong type:kotlin.ULong visibility:private [final,static]' type=kotlin.ULong origin=null
+
diff --git a/compiler/testData/ir/irText/expressions/useImportedMember.fir.txt b/compiler/testData/ir/irText/expressions/useImportedMember.fir.txt
index 66d5683af6c..489d0bd13da 100644
--- a/compiler/testData/ir/irText/expressions/useImportedMember.fir.txt
+++ b/compiler/testData/ir/irText/expressions/useImportedMember.fir.txt
@@ -79,7 +79,7 @@ FILE fqName:<root> fileName:/useImportedMember.kt
         RETURN type=kotlin.Nothing from='public final fun f (): kotlin.Int declared in <root>.C'
           CONST Int type=kotlin.Int value=3
     PROPERTY name:p visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private
         EXPRESSION_BODY
           CONST Int type=kotlin.Int value=4
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-p> visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Int
@@ -87,14 +87,14 @@ FILE fqName:<root> fileName:/useImportedMember.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-p> (): kotlin.Int declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-p>' type=<root>.C origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-p> visibility:public modality:FINAL <> ($this:<root>.C, <set-?>:kotlin.Int) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:p visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Int
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<set-p>' type=<root>.C origin=null
             value: GET_VAR '<set-?>: kotlin.Int declared in <root>.C.<set-p>' type=kotlin.Int origin=null
     PROPERTY name:ext visibility:public modality:FINAL [val]
@@ -181,7 +181,7 @@ FILE fqName:<root> fileName:/useImportedMember.kt
               arg1: CONST Int type=kotlin.Int value=4
           then: RETURN type=kotlin.Nothing from='public final fun box (): kotlin.String declared in <root>'
             CONST String type=kotlin.String value="4"
-      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:public' type=kotlin.Unit origin=null
+      SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:p type:kotlin.Int visibility:private' type=kotlin.Unit origin=null
         receiver: GET_VAR '<this>: <root>.C declared in <root>.C' type=<root>.C origin=null
         value: CONST Int type=kotlin.Int value=5
       WHEN type=kotlin.Unit origin=IF
diff --git a/compiler/testData/ir/irText/expressions/values.fir.txt b/compiler/testData/ir/irText/expressions/values.fir.txt
index 8e63908e250..ba0bc4306f0 100644
--- a/compiler/testData/ir/irText/expressions/values.fir.txt
+++ b/compiler/testData/ir/irText/expressions/values.fir.txt
@@ -67,14 +67,14 @@ FILE fqName:<root> fileName:/values.kt
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
   PROPERTY name:a visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CONST Int type=kotlin.Int value=0
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-a> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:a visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-a> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:a type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
   CLASS CLASS name:Z modality:FINAL visibility:public superTypes:[kotlin.Any]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Z
     CONSTRUCTOR visibility:public <> () returnType:<root>.Z [primary]
diff --git a/compiler/testData/ir/irText/expressions/vararg.fir.txt b/compiler/testData/ir/irText/expressions/vararg.fir.txt
index 8bc29278f25..07711721ee4 100644
--- a/compiler/testData/ir/irText/expressions/vararg.fir.txt
+++ b/compiler/testData/ir/irText/expressions/vararg.fir.txt
@@ -1,15 +1,15 @@
 FILE fqName:<root> fileName:/vararg.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Array<kotlin.String> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Array<kotlin.String> visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun arrayOf (elements: kotlin.Array<out T of <uninitialized parent>>): kotlin.Array<T of <uninitialized parent>> [inline] declared in kotlin' type=kotlin.Array<kotlin.String> origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test1> visibility:public modality:FINAL <> () returnType:kotlin.Array<kotlin.String>
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Array<kotlin.String> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Array<kotlin.String> visibility:public [final,static]' type=kotlin.Array<kotlin.String> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Array<kotlin.String> visibility:private [final,static]' type=kotlin.Array<kotlin.String> origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Array<kotlin.String> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Array<kotlin.String> visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Cannot bind 3 arguments to arrayOf call with 1 parameters' type=kotlin.Array<kotlin.String>
           CONST String type=kotlin.String value="1"
@@ -19,9 +19,9 @@ FILE fqName:<root> fileName:/vararg.kt
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Array<kotlin.String> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Array<kotlin.String> visibility:public [final,static]' type=kotlin.Array<kotlin.String> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Array<kotlin.String> visibility:private [final,static]' type=kotlin.Array<kotlin.String> origin=null
   PROPERTY name:test3 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'Unresolved reference: <Inapplicable(PARAMETER_MAPPING_ERROR): [kotlin/arrayOf]>#' type=IrErrorType
           CONST String type=kotlin.String value="0"
@@ -32,4 +32,5 @@ FILE fqName:<root> fileName:/vararg.kt
       correspondingProperty: PROPERTY name:test3 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test3> (): IrErrorType declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:public [final,static]' type=IrErrorType origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test3 type:IrErrorType visibility:private [final,static]' type=IrErrorType origin=null
+
diff --git a/compiler/testData/ir/irText/lambdas/anonymousFunction.fir.txt b/compiler/testData/ir/irText/lambdas/anonymousFunction.fir.txt
index 6d4ae85d785..6ec7233bcfd 100644
--- a/compiler/testData/ir/irText/lambdas/anonymousFunction.fir.txt
+++ b/compiler/testData/ir/irText/lambdas/anonymousFunction.fir.txt
@@ -1,6 +1,6 @@
 FILE fqName:<root> fileName:/anonymousFunction.kt
   PROPERTY name:anonymous visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:anonymous type:kotlin.Function0<kotlin.Unit> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:anonymous type:kotlin.Function0<kotlin.Unit> visibility:private [final,static]
       EXPRESSION_BODY
         FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
           FUN name:<no name provided> visibility:local modality:FINAL <> () returnType:kotlin.Unit
@@ -10,4 +10,5 @@ FILE fqName:<root> fileName:/anonymousFunction.kt
       correspondingProperty: PROPERTY name:anonymous visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-anonymous> (): kotlin.Function0<kotlin.Unit> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anonymous type:kotlin.Function0<kotlin.Unit> visibility:public [final,static]' type=kotlin.Function0<kotlin.Unit> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:anonymous type:kotlin.Function0<kotlin.Unit> visibility:private [final,static]' type=kotlin.Function0<kotlin.Unit> origin=null
+
diff --git a/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.txt b/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.txt
index a5cb546288e..b5cbc877718 100644
--- a/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.txt
+++ b/compiler/testData/ir/irText/lambdas/destructuringInLambda.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:A modality:FINAL visibility:public [data] superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: kotlin.Int declared in <root>.A.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
@@ -16,10 +16,10 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): kotlin.Int declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-x>' type=<root>.A origin=null
     PROPERTY name:y visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'y: kotlin.Int declared in <root>.A.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-y> visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
@@ -27,7 +27,7 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-y> (): kotlin.Int declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:y type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-y>' type=<root>.A origin=null
     FUN name:component1 visibility:public modality:FINAL <> ($this:<root>.A) returnType:kotlin.Int
       $this: VALUE_PARAMETER name:<this> type:<root>.A
@@ -66,7 +66,7 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
   PROPERTY name:fn visibility:public modality:FINAL [var]
-    FIELD PROPERTY_BACKING_FIELD name:fn type:kotlin.Function1<<root>.A, kotlin.Int> visibility:public [static]
+    FIELD PROPERTY_BACKING_FIELD name:fn type:kotlin.Function1<<root>.A, kotlin.Int> visibility:private [static]
       EXPRESSION_BODY
         FUN_EXPR type=kotlin.Function1<<root>.A, kotlin.Int> origin=LAMBDA
           FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> (<destruct>:<root>.A) returnType:kotlin.Int
@@ -85,10 +85,10 @@ FILE fqName:<root> fileName:/destructuringInLambda.kt
       correspondingProperty: PROPERTY name:fn visibility:public modality:FINAL [var]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-fn> (): kotlin.Function1<<root>.A, kotlin.Int> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:fn type:kotlin.Function1<<root>.A, kotlin.Int> visibility:public [static]' type=kotlin.Function1<<root>.A, kotlin.Int> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:fn type:kotlin.Function1<<root>.A, kotlin.Int> visibility:private [static]' type=kotlin.Function1<<root>.A, kotlin.Int> origin=null
     FUN DEFAULT_PROPERTY_ACCESSOR name:<set-fn> visibility:public modality:FINAL <> (<set-?>:kotlin.Function1<<root>.A, kotlin.Int>) returnType:kotlin.Unit
       correspondingProperty: PROPERTY name:fn visibility:public modality:FINAL [var]
       VALUE_PARAMETER name:<set-?> index:0 type:kotlin.Function1<<root>.A, kotlin.Int>
       BLOCK_BODY
-        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:fn type:kotlin.Function1<<root>.A, kotlin.Int> visibility:public [static]' type=kotlin.Unit origin=null
+        SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:fn type:kotlin.Function1<<root>.A, kotlin.Int> visibility:private [static]' type=kotlin.Unit origin=null
           value: GET_VAR '<set-?>: kotlin.Function1<<root>.A, kotlin.Int> declared in <root>.<set-fn>' type=kotlin.Function1<<root>.A, kotlin.Int> origin=null
diff --git a/compiler/testData/ir/irText/lambdas/justLambda.fir.txt b/compiler/testData/ir/irText/lambdas/justLambda.fir.txt
index 09378ee57ee..73c114326d8 100644
--- a/compiler/testData/ir/irText/lambdas/justLambda.fir.txt
+++ b/compiler/testData/ir/irText/lambdas/justLambda.fir.txt
@@ -1,6 +1,6 @@
 FILE fqName:<root> fileName:/justLambda.kt
   PROPERTY name:test1 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function0<kotlin.Int> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function0<kotlin.Int> visibility:private [final,static]
       EXPRESSION_BODY
         FUN_EXPR type=kotlin.Function0<kotlin.Int> origin=LAMBDA
           FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Int
@@ -10,9 +10,9 @@ FILE fqName:<root> fileName:/justLambda.kt
       correspondingProperty: PROPERTY name:test1 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test1> (): kotlin.Function0<kotlin.Int> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function0<kotlin.Int> visibility:public [final,static]' type=kotlin.Function0<kotlin.Int> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test1 type:kotlin.Function0<kotlin.Int> visibility:private [final,static]' type=kotlin.Function0<kotlin.Int> origin=null
   PROPERTY name:test2 visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function0<kotlin.Unit> visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function0<kotlin.Unit> visibility:private [final,static]
       EXPRESSION_BODY
         FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
           FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit
@@ -22,4 +22,5 @@ FILE fqName:<root> fileName:/justLambda.kt
       correspondingProperty: PROPERTY name:test2 visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test2> (): kotlin.Function0<kotlin.Unit> declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function0<kotlin.Unit> visibility:public [final,static]' type=kotlin.Function0<kotlin.Unit> origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test2 type:kotlin.Function0<kotlin.Unit> visibility:private [final,static]' type=kotlin.Function0<kotlin.Unit> origin=null
+
diff --git a/compiler/testData/ir/irText/regressions/integerCoercionToT.fir.txt b/compiler/testData/ir/irText/regressions/integerCoercionToT.fir.txt
index 01bf9067148..5ed4fd56db0 100644
--- a/compiler/testData/ir/irText/regressions/integerCoercionToT.fir.txt
+++ b/compiler/testData/ir/irText/regressions/integerCoercionToT.fir.txt
@@ -58,7 +58,7 @@ FILE fqName:<root> fileName:/integerCoercionToT.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:IdType modality:FINAL visibility:public superTypes:[<root>.CPointed]'
     PROPERTY name:value visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'value: kotlin.Int declared in <root>.IdType.<init>' type=kotlin.Int origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.IdType) returnType:kotlin.Int
@@ -66,7 +66,7 @@ FILE fqName:<root> fileName:/integerCoercionToT.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.IdType
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): kotlin.Int declared in <root>.IdType'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:public [final]' type=kotlin.Int origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:kotlin.Int visibility:private [final]' type=kotlin.Int origin=null
               receiver: GET_VAR '<this>: <root>.IdType declared in <root>.IdType.<get-value>' type=<root>.IdType origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.fir.txt b/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.fir.txt
index d6516694cc6..472a72858de 100644
--- a/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.fir.txt
+++ b/compiler/testData/ir/irText/regressions/typeAliasCtorForGenericClass.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/typeAliasCtorForGenericClass.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:A modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:q visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:q type:Q of <root>.A visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:q type:Q of <root>.A visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'q: Q of <uninitialized parent> declared in <root>.A.<init>' type=Q of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-q> visibility:public modality:FINAL <> ($this:<root>.A) returnType:Q of <root>.A
@@ -16,7 +16,7 @@ FILE fqName:<root> fileName:/typeAliasCtorForGenericClass.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.A
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-q> (): Q of <root>.A declared in <root>.A'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:q type:Q of <root>.A visibility:public [final]' type=Q of <root>.A origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:q type:Q of <root>.A visibility:private [final]' type=Q of <root>.A origin=null
               receiver: GET_VAR '<this>: <root>.A declared in <root>.A.<get-q>' type=<root>.A origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
       overridden:
diff --git a/compiler/testData/ir/irText/stubs/constFromBuiltins.fir.txt b/compiler/testData/ir/irText/stubs/constFromBuiltins.fir.txt
index c6010ff91aa..8dc8cb008db 100644
--- a/compiler/testData/ir/irText/stubs/constFromBuiltins.fir.txt
+++ b/compiler/testData/ir/irText/stubs/constFromBuiltins.fir.txt
@@ -1,10 +1,11 @@
 FILE fqName:<root> fileName:/constFromBuiltins.kt
   PROPERTY name:test visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         ERROR_CALL 'No getter found for R|kotlin/Int.Companion.MIN_VALUE|' type=kotlin.Int
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test> visibility:public modality:FINAL <> () returnType:kotlin.Int
       correspondingProperty: PROPERTY name:test visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
+
diff --git a/compiler/testData/ir/irText/stubs/genericClassInDifferentModule_m1.fir.txt b/compiler/testData/ir/irText/stubs/genericClassInDifferentModule_m1.fir.txt
index b01e10462c3..140b47b8cd6 100644
--- a/compiler/testData/ir/irText/stubs/genericClassInDifferentModule_m1.fir.txt
+++ b/compiler/testData/ir/irText/stubs/genericClassInDifferentModule_m1.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/genericClassInDifferentModule_m1.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Base modality:ABSTRACT visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Base visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Base visibility:private [final]
         EXPRESSION_BODY
           GET_VAR 'x: T of <uninitialized parent> declared in <root>.Base.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.Base) returnType:T of <root>.Base
@@ -16,7 +16,7 @@ FILE fqName:<root> fileName:/genericClassInDifferentModule_m1.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Base
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): T of <root>.Base declared in <root>.Base'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Base visibility:public [final]' type=T of <root>.Base origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.Base visibility:private [final]' type=T of <root>.Base origin=null
               receiver: GET_VAR '<this>: <root>.Base declared in <root>.Base.<get-x>' type=<root>.Base origin=null
     FUN name:foo visibility:public modality:ABSTRACT <Y> ($this:<root>.Base, y:Y of <root>.Base.foo) returnType:T of <root>.Base
       TYPE_PARAMETER name:Y index:0 variance: superTypes:[]
diff --git a/compiler/testData/ir/irText/stubs/genericClassInDifferentModule_m2.fir.txt b/compiler/testData/ir/irText/stubs/genericClassInDifferentModule_m2.fir.txt
index cbea2750cab..18150eb31f4 100644
--- a/compiler/testData/ir/irText/stubs/genericClassInDifferentModule_m2.fir.txt
+++ b/compiler/testData/ir/irText/stubs/genericClassInDifferentModule_m2.fir.txt
@@ -18,7 +18,7 @@ FILE fqName:<root> fileName:/genericClassInDifferentModule_m2.kt
           CALL 'public final fun <get-x> (): T of <root>.Base declared in <root>.Base' type=T of <root>.Base origin=null
             $this: GET_VAR '<this>: <root>.Base declared in <root>.Base' type=<root>.Base<*> origin=null
     PROPERTY name:bar visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:bar type:T of <root>.Derived1 visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:bar type:T of <root>.Derived1 visibility:private
         EXPRESSION_BODY
           GET_VAR 'x: T of <uninitialized parent> declared in <root>.Derived1.<init>' type=T of <uninitialized parent> origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-bar> visibility:public modality:FINAL <> ($this:<root>.Derived1) returnType:T of <root>.Derived1
@@ -26,14 +26,14 @@ FILE fqName:<root> fileName:/genericClassInDifferentModule_m2.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Derived1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-bar> (): T of <root>.Derived1 declared in <root>.Derived1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:T of <root>.Derived1 visibility:public' type=T of <root>.Derived1 origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:T of <root>.Derived1 visibility:private' type=T of <root>.Derived1 origin=null
               receiver: GET_VAR '<this>: <root>.Derived1 declared in <root>.Derived1.<get-bar>' type=<root>.Derived1 origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-bar> visibility:public modality:FINAL <> ($this:<root>.Derived1, <set-?>:T of <root>.Derived1) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:bar visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.Derived1
         VALUE_PARAMETER name:<set-?> index:0 type:T of <root>.Derived1
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:T of <root>.Derived1 visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:bar type:T of <root>.Derived1 visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Derived1 declared in <root>.Derived1.<set-bar>' type=<root>.Derived1 origin=null
             value: GET_VAR '<set-?>: T of <root>.Derived1 declared in <root>.Derived1.<set-bar>' type=T of <root>.Derived1 origin=null
     PROPERTY name:exn visibility:public modality:FINAL [var]
diff --git a/compiler/testData/ir/irText/stubs/javaEnum.fir.txt b/compiler/testData/ir/irText/stubs/javaEnum.fir.txt
index cafbcf9c988..d87cc5f8874 100644
--- a/compiler/testData/ir/irText/stubs/javaEnum.fir.txt
+++ b/compiler/testData/ir/irText/stubs/javaEnum.fir.txt
@@ -1,10 +1,11 @@
 FILE fqName:<root> fileName:/javaEnum.kt
   PROPERTY name:test visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test type:<root>.JEnum? visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test type:<root>.JEnum? visibility:private [final,static]
       EXPRESSION_BODY
         GET_FIELD 'FIELD IR_EXTERNAL_JAVA_DECLARATION_STUB name:ONE type:<root>.JEnum? visibility:public [final,static]' type=<root>.JEnum? origin=GET_PROPERTY
     FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test> visibility:public modality:FINAL <> () returnType:<root>.JEnum?
       correspondingProperty: PROPERTY name:test visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test> (): <root>.JEnum? declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:<root>.JEnum? visibility:public [final,static]' type=<root>.JEnum? origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:<root>.JEnum? visibility:private [final,static]' type=<root>.JEnum? origin=null
+
diff --git a/compiler/testData/ir/irText/stubs/javaInnerClass.fir.txt b/compiler/testData/ir/irText/stubs/javaInnerClass.fir.txt
index 75faeab3287..39535504cc4 100644
--- a/compiler/testData/ir/irText/stubs/javaInnerClass.fir.txt
+++ b/compiler/testData/ir/irText/stubs/javaInnerClass.fir.txt
@@ -6,7 +6,7 @@ FILE fqName:<root> fileName:/javaInnerClass.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in <root>.J'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test1 modality:FINAL visibility:public superTypes:[<root>.J]'
     PROPERTY name:test visibility:public modality:FINAL [val]
-      FIELD PROPERTY_BACKING_FIELD name:test type:IrErrorType visibility:public [final]
+      FIELD PROPERTY_BACKING_FIELD name:test type:IrErrorType visibility:private [final]
         EXPRESSION_BODY
           ERROR_CALL 'Unresolved reference: <Unresolved name: JInner>#' type=IrErrorType
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test> visibility:public modality:FINAL <> ($this:<root>.Test1) returnType:IrErrorType
@@ -14,7 +14,7 @@ FILE fqName:<root> fileName:/javaInnerClass.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Test1
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-test> (): IrErrorType declared in <root>.Test1'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:IrErrorType visibility:public [final]' type=IrErrorType origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:IrErrorType visibility:private [final]' type=IrErrorType origin=null
               receiver: GET_VAR '<this>: <root>.Test1 declared in <root>.Test1.<get-test>' type=<root>.Test1 origin=null
     FUN FAKE_OVERRIDE name:bar visibility:public modality:OPEN <> ($this:<root>.J) returnType:kotlin.Unit
       overridden:
diff --git a/compiler/testData/ir/irText/stubs/javaSyntheticProperty.fir.txt b/compiler/testData/ir/irText/stubs/javaSyntheticProperty.fir.txt
deleted file mode 100644
index bc02488ab2a..00000000000
--- a/compiler/testData/ir/irText/stubs/javaSyntheticProperty.fir.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-FILE fqName:<root> fileName:/javaSyntheticProperty.kt
-  PROPERTY name:test visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.String? visibility:public [final,static]
-      EXPRESSION_BODY
-        CALL 'public open fun getFoo (): kotlin.String? declared in <root>.J' type=kotlin.String? origin=GET_PROPERTY
-          $this: CONSTRUCTOR_CALL 'public/*package*/ constructor <init> () [primary] declared in <root>.J' type=<root>.J origin=null
-    FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test> visibility:public modality:FINAL <> () returnType:kotlin.String?
-      correspondingProperty: PROPERTY name:test visibility:public modality:FINAL [val]
-      BLOCK_BODY
-        RETURN type=kotlin.Nothing from='public final fun <get-test> (): kotlin.String? declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.String? visibility:public [final,static]' type=kotlin.String? origin=null
diff --git a/compiler/testData/ir/irText/stubs/javaSyntheticProperty.kt b/compiler/testData/ir/irText/stubs/javaSyntheticProperty.kt
index 3fed59d2988..5b1920c2104 100644
--- a/compiler/testData/ir/irText/stubs/javaSyntheticProperty.kt
+++ b/compiler/testData/ir/irText/stubs/javaSyntheticProperty.kt
@@ -1,5 +1,6 @@
 // !DUMP_DEPENDENCIES
 // FILE: javaSyntheticProperty.kt
+// FIR_IDENTICAL
 val test = J().foo
 
 // FILE: J.java
diff --git a/compiler/testData/ir/irText/stubs/simple.fir.txt b/compiler/testData/ir/irText/stubs/simple.fir.txt
index de530098afa..73a72fb33f2 100644
--- a/compiler/testData/ir/irText/stubs/simple.fir.txt
+++ b/compiler/testData/ir/irText/stubs/simple.fir.txt
@@ -1,6 +1,6 @@
 FILE fqName:<root> fileName:/simple.kt
   PROPERTY name:test visibility:public modality:FINAL [val]
-    FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:public [final,static]
+    FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:private [final,static]
       EXPRESSION_BODY
         CALL 'public final fun plus (other: kotlin.Int): kotlin.Int declared in kotlin.Int' type=kotlin.Int origin=null
           $this: CONST Int type=kotlin.Int value=2
@@ -9,4 +9,5 @@ FILE fqName:<root> fileName:/simple.kt
       correspondingProperty: PROPERTY name:test visibility:public modality:FINAL [val]
       BLOCK_BODY
         RETURN type=kotlin.Nothing from='public final fun <get-test> (): kotlin.Int declared in <root>'
-          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:public [final,static]' type=kotlin.Int origin=null
+          GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:test type:kotlin.Int visibility:private [final,static]' type=kotlin.Int origin=null
+
diff --git a/compiler/testData/ir/irText/types/genericPropertyReferenceType.fir.txt b/compiler/testData/ir/irText/types/genericPropertyReferenceType.fir.txt
index 3cacd6737bc..664d1b1655e 100644
--- a/compiler/testData/ir/irText/types/genericPropertyReferenceType.fir.txt
+++ b/compiler/testData/ir/irText/types/genericPropertyReferenceType.fir.txt
@@ -8,7 +8,7 @@ FILE fqName:<root> fileName:/genericPropertyReferenceType.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:x visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.C visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.C visibility:private
         EXPRESSION_BODY
           GET_VAR 'x: T of <uninitialized parent> declared in <root>.C.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-x> visibility:public modality:FINAL <> ($this:<root>.C) returnType:T of <root>.C
@@ -16,14 +16,14 @@ FILE fqName:<root> fileName:/genericPropertyReferenceType.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-x> (): T of <root>.C declared in <root>.C'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.C visibility:public' type=T of <root>.C origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.C visibility:private' type=T of <root>.C origin=null
               receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<get-x>' type=<root>.C origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-x> visibility:public modality:FINAL <> ($this:<root>.C, <set-?>:T of <root>.C) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:x visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.C
         VALUE_PARAMETER name:<set-?> index:0 type:T of <root>.C
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.C visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:x type:T of <root>.C visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.C declared in <root>.C.<set-x>' type=<root>.C origin=null
             value: GET_VAR '<set-?>: T of <root>.C declared in <root>.C.<set-x>' type=T of <root>.C origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
diff --git a/compiler/testData/ir/irText/types/smartCastOnReceiverOfGenericType.fir.txt b/compiler/testData/ir/irText/types/smartCastOnReceiverOfGenericType.fir.txt
index 2089d8e71cf..a667814e071 100644
--- a/compiler/testData/ir/irText/types/smartCastOnReceiverOfGenericType.fir.txt
+++ b/compiler/testData/ir/irText/types/smartCastOnReceiverOfGenericType.fir.txt
@@ -52,7 +52,7 @@ FILE fqName:<root> fileName:/smartCastOnReceiverOfGenericType.kt
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
         INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Cell modality:FINAL visibility:public superTypes:[kotlin.Any]'
     PROPERTY name:value visibility:public modality:FINAL [var]
-      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:public
+      FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:private
         EXPRESSION_BODY
           GET_VAR 'value: T of <uninitialized parent> declared in <root>.Cell.<init>' type=T of <uninitialized parent> origin=INITIALIZE_PROPERTY_FROM_PARAMETER
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-value> visibility:public modality:FINAL <> ($this:<root>.Cell) returnType:T of <root>.Cell
@@ -60,14 +60,14 @@ FILE fqName:<root> fileName:/smartCastOnReceiverOfGenericType.kt
         $this: VALUE_PARAMETER name:<this> type:<root>.Cell
         BLOCK_BODY
           RETURN type=kotlin.Nothing from='public final fun <get-value> (): T of <root>.Cell declared in <root>.Cell'
-            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:public' type=T of <root>.Cell origin=null
+            GET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:private' type=T of <root>.Cell origin=null
               receiver: GET_VAR '<this>: <root>.Cell declared in <root>.Cell.<get-value>' type=<root>.Cell origin=null
       FUN DEFAULT_PROPERTY_ACCESSOR name:<set-value> visibility:public modality:FINAL <> ($this:<root>.Cell, <set-?>:T of <root>.Cell) returnType:kotlin.Unit
         correspondingProperty: PROPERTY name:value visibility:public modality:FINAL [var]
         $this: VALUE_PARAMETER name:<this> type:<root>.Cell
         VALUE_PARAMETER name:<set-?> index:0 type:T of <root>.Cell
         BLOCK_BODY
-          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:public' type=kotlin.Unit origin=null
+          SET_FIELD 'FIELD PROPERTY_BACKING_FIELD name:value type:T of <root>.Cell visibility:private' type=kotlin.Unit origin=null
             receiver: GET_VAR '<this>: <root>.Cell declared in <root>.Cell.<set-value>' type=<root>.Cell origin=null
             value: GET_VAR '<set-?>: T of <root>.Cell declared in <root>.Cell.<set-value>' type=T of <root>.Cell origin=null
     FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean