diff --git a/idea/testData/checker/infos/SmartCastsWithSafeAccess.kt b/idea/testData/checker/infos/SmartCastsWithSafeAccess.kt
index 146cd5f8058..e34b3f23323 100644
--- a/idea/testData/checker/infos/SmartCastsWithSafeAccess.kt
+++ b/idea/testData/checker/infos/SmartCastsWithSafeAccess.kt
@@ -1,5 +1,3 @@
-// FIR_COMPARISON
-
 interface A {
     fun foo()
 }
diff --git a/idea/testData/checker/regression/javaStyleClassLiteralInAnnotationArguments.kt b/idea/testData/checker/regression/javaStyleClassLiteralInAnnotationArguments.kt
index 430078b8aeb..91f7166837c 100644
--- a/idea/testData/checker/regression/javaStyleClassLiteralInAnnotationArguments.kt
+++ b/idea/testData/checker/regression/javaStyleClassLiteralInAnnotationArguments.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 annotation class A
 
 class B
diff --git a/idea/testData/resolve/references/AnnotationParameter.kt b/idea/testData/resolve/references/AnnotationParameter.kt
index 4b4995b1fda..ce6c470b630 100644
--- a/idea/testData/resolve/references/AnnotationParameter.kt
+++ b/idea/testData/resolve/references/AnnotationParameter.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 package testing
 
 annotation class Annotation<T>(val clazz: Class<T>)
diff --git a/idea/testData/resolve/references/ClassObjectClassLiteralReference.kt b/idea/testData/resolve/references/ClassObjectClassLiteralReference.kt
index 27240a66b0a..eb16fcfb4ce 100644
--- a/idea/testData/resolve/references/ClassObjectClassLiteralReference.kt
+++ b/idea/testData/resolve/references/ClassObjectClassLiteralReference.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 package t
 
 class A {
diff --git a/idea/testData/resolve/references/ClassObjectClassLiteralReferenceWithField.kt b/idea/testData/resolve/references/ClassObjectClassLiteralReferenceWithField.kt
index 10311ac660e..0b4d649b1a3 100644
--- a/idea/testData/resolve/references/ClassObjectClassLiteralReferenceWithField.kt
+++ b/idea/testData/resolve/references/ClassObjectClassLiteralReferenceWithField.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 package t
 
 class A {
diff --git a/idea/testData/resolve/references/InSecondClassObject.kt b/idea/testData/resolve/references/InSecondClassObject.kt
index a6d2a2dd541..15beae7b6be 100644
--- a/idea/testData/resolve/references/InSecondClassObject.kt
+++ b/idea/testData/resolve/references/InSecondClassObject.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 package test
 
 class A
diff --git a/idea/testData/resolve/references/TypeArgumentUnresolvedClass.kt b/idea/testData/resolve/references/TypeArgumentUnresolvedClass.kt
index e71361f94d8..7b6b02313ca 100644
--- a/idea/testData/resolve/references/TypeArgumentUnresolvedClass.kt
+++ b/idea/testData/resolve/references/TypeArgumentUnresolvedClass.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 val v: UnknownClass<<caret>String>
 
 // REF: (kotlin).String
diff --git a/idea/testData/resolve/references/TypeArgumentUnresolvedConstructor.kt b/idea/testData/resolve/references/TypeArgumentUnresolvedConstructor.kt
index 52f75931936..c3074edbab5 100644
--- a/idea/testData/resolve/references/TypeArgumentUnresolvedConstructor.kt
+++ b/idea/testData/resolve/references/TypeArgumentUnresolvedConstructor.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 val v: UnknownClass<<caret>String>()
 
 // REF: (kotlin).String
diff --git a/idea/testData/resolve/references/TypeArgumentWrongNumber.kt b/idea/testData/resolve/references/TypeArgumentWrongNumber.kt
index 232ee88a284..a3df1c630cb 100644
--- a/idea/testData/resolve/references/TypeArgumentWrongNumber.kt
+++ b/idea/testData/resolve/references/TypeArgumentWrongNumber.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 class Foo<T, V>
 
 class Bar: Foo<<caret>String
diff --git a/idea/testData/resolve/references/WrongNumberOfTypeArgumentsInSupertype.kt b/idea/testData/resolve/references/WrongNumberOfTypeArgumentsInSupertype.kt
index 0e8071fd19c..9934b6c0d82 100644
--- a/idea/testData/resolve/references/WrongNumberOfTypeArgumentsInSupertype.kt
+++ b/idea/testData/resolve/references/WrongNumberOfTypeArgumentsInSupertype.kt
@@ -1,3 +1,4 @@
+// IGNORE_FIR
 package foo
 
 class A