diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/impl/FirTypeResolverImpl.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/impl/FirTypeResolverImpl.kt
index 5906056e97d..fd7a9535c20 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/impl/FirTypeResolverImpl.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/impl/FirTypeResolverImpl.kt
@@ -117,7 +117,10 @@ class FirTypeResolverImpl(private val session: FirSession) : FirTypeResolver {
             is FirImplicitBuiltinTypeRef -> {
                 resolveToSymbol(typeRef, scope, position)!!.constructType(emptyList(), isNullable = false)
             }
-            is FirDynamicTypeRef, is FirDelegatedTypeRef -> {
+            is FirDelegatedTypeRef -> {
+                resolveType(typeRef.typeRef, scope, position)
+            }
+            is FirDynamicTypeRef -> {
                 ConeKotlinErrorType("Not supported: ${typeRef::class.simpleName}")
             }
             else -> error("!")
diff --git a/compiler/fir/resolve/testData/resolve/delegatedSuperType.kt b/compiler/fir/resolve/testData/resolve/delegatedSuperType.kt
new file mode 100644
index 00000000000..35b8e7b5702
--- /dev/null
+++ b/compiler/fir/resolve/testData/resolve/delegatedSuperType.kt
@@ -0,0 +1,9 @@
+interface A {
+    fun foo()
+}
+
+class B : A {
+    override fun foo() {}
+}
+
+class C(val b: B) : A by b
\ No newline at end of file
diff --git a/compiler/fir/resolve/testData/resolve/delegatedSuperType.txt b/compiler/fir/resolve/testData/resolve/delegatedSuperType.txt
new file mode 100644
index 00000000000..80a6354a6ae
--- /dev/null
+++ b/compiler/fir/resolve/testData/resolve/delegatedSuperType.txt
@@ -0,0 +1,23 @@
+FILE: delegatedSuperType.kt
+    public abstract interface A : R|kotlin/Any| {
+        public abstract fun foo(): R|kotlin/Unit|
+
+    }
+    public final class B : R|A| {
+        public constructor(): R|B| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final override fun foo(): R|kotlin/Unit| {
+        }
+
+    }
+    public final class C : R|A| {
+        public constructor(b: R|B|): R|C| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final val b: R|B| = R|<local>/b|
+            public get(): R|B|
+
+    }
diff --git a/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirResolveTestCaseGenerated.java b/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirResolveTestCaseGenerated.java
index 5efc03531f4..4bbc21e6036 100644
--- a/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirResolveTestCaseGenerated.java
+++ b/compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirResolveTestCaseGenerated.java
@@ -44,6 +44,11 @@ public class FirResolveTestCaseGenerated extends AbstractFirResolveTestCase {
         runTest("compiler/fir/resolve/testData/resolve/copy.kt");
     }
 
+    @TestMetadata("delegatedSuperType.kt")
+    public void testDelegatedSuperType() throws Exception {
+        runTest("compiler/fir/resolve/testData/resolve/delegatedSuperType.kt");
+    }
+
     @TestMetadata("derivedClass.kt")
     public void testDerivedClass() throws Exception {
         runTest("compiler/fir/resolve/testData/resolve/derivedClass.kt");
diff --git a/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt b/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt
index a01dfe9d2fa..047199e9e72 100644
--- a/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt
+++ b/compiler/testData/ir/irText/classes/delegatedImplementation.fir.txt
@@ -157,15 +157,71 @@ FILE fqName:<root> fileName:/delegatedImplementation.kt
                 VALUE_PARAMETER name:value index:0 type:kotlin.Int
                 BLOCK_BODY
           CONSTRUCTOR_CALL 'private constructor <init> () [primary] declared in <root>.otherImpl.<no name provided>' type=<root>.otherImpl.<no name provided> origin=null
-  CLASS CLASS name:Test1 modality:FINAL visibility:public superTypes:[]
+  CLASS CLASS name:Test1 modality:FINAL visibility:public superTypes:[<root>.IBase]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Test1
     CONSTRUCTOR visibility:public <> () returnType:<root>.Test1 [primary]
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test1 modality:FINAL visibility:public superTypes:[]'
-  CLASS CLASS name:Test2 modality:FINAL visibility:public superTypes:[]
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test1 modality:FINAL visibility:public superTypes:[<root>.IBase]'
+    FUN FAKE_OVERRIDE name:foo visibility:public modality:ABSTRACT <> ($this:<root>.IBase, x:kotlin.Int, s:kotlin.String) returnType:kotlin.Unit
+      overridden:
+        public abstract fun foo (x: kotlin.Int, s: kotlin.String): kotlin.Unit declared in <root>.IBase
+      $this: VALUE_PARAMETER name:<this> type:<root>.IBase
+      VALUE_PARAMETER name:x index:0 type:kotlin.Int
+      VALUE_PARAMETER name:s index:1 type:kotlin.String
+    FUN FAKE_OVERRIDE name:bar visibility:public modality:ABSTRACT <> ($this:<root>.IBase) returnType:kotlin.Int
+      overridden:
+        public abstract fun bar (): kotlin.Int declared in <root>.IBase
+      $this: VALUE_PARAMETER name:<this> type:<root>.IBase
+    FUN FAKE_OVERRIDE name:qux visibility:public modality:ABSTRACT <> ($this:<root>.IBase, $receiver:kotlin.String) returnType:kotlin.Unit
+      overridden:
+        public abstract fun qux (): kotlin.Unit declared in <root>.IBase
+      $this: VALUE_PARAMETER name:<this> type:<root>.IBase
+      $receiver: VALUE_PARAMETER name:<this> type:kotlin.String
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($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
+  CLASS CLASS name:Test2 modality:FINAL visibility:public superTypes:[<root>.IBase; <root>.IOther]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Test2
     CONSTRUCTOR visibility:public <> () returnType:<root>.Test2 [primary]
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test2 modality:FINAL visibility:public superTypes:[]'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test2 modality:FINAL visibility:public superTypes:[<root>.IBase; <root>.IOther]'
+    FUN FAKE_OVERRIDE name:foo visibility:public modality:ABSTRACT <> ($this:<root>.IBase, x:kotlin.Int, s:kotlin.String) returnType:kotlin.Unit
+      overridden:
+        public abstract fun foo (x: kotlin.Int, s: kotlin.String): kotlin.Unit declared in <root>.IBase
+      $this: VALUE_PARAMETER name:<this> type:<root>.IBase
+      VALUE_PARAMETER name:x index:0 type:kotlin.Int
+      VALUE_PARAMETER name:s index:1 type:kotlin.String
+    FUN FAKE_OVERRIDE name:bar visibility:public modality:ABSTRACT <> ($this:<root>.IBase) returnType:kotlin.Int
+      overridden:
+        public abstract fun bar (): kotlin.Int declared in <root>.IBase
+      $this: VALUE_PARAMETER name:<this> type:<root>.IBase
+    FUN FAKE_OVERRIDE name:qux visibility:public modality:ABSTRACT <> ($this:<root>.IBase, $receiver:kotlin.String) returnType:kotlin.Unit
+      overridden:
+        public abstract fun qux (): kotlin.Unit declared in <root>.IBase
+      $this: VALUE_PARAMETER name:<this> type:<root>.IBase
+      $receiver: VALUE_PARAMETER name:<this> type:kotlin.String
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($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/classes/delegatedImplementationWithExplicitOverride.fir.txt b/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.fir.txt
index 863ba4cf395..aa68c390f33 100644
--- a/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.fir.txt
+++ b/compiler/testData/ir/irText/classes/delegatedImplementationWithExplicitOverride.fir.txt
@@ -43,12 +43,29 @@ 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
-  CLASS CLASS name:C modality:FINAL visibility:public superTypes:[]
+  CLASS CLASS name:C modality:FINAL visibility:public superTypes:[<root>.IFooBar]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.C
     CONSTRUCTOR visibility:public <> () returnType:<root>.C [primary]
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:FINAL visibility:public superTypes:[]'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:FINAL visibility:public superTypes:[<root>.IFooBar]'
     FUN name:bar visibility:public modality:FINAL <> ($this:<root>.C) returnType:kotlin.Unit
       $this: VALUE_PARAMETER name:<this> type:<root>.C
       BLOCK_BODY
+    FUN FAKE_OVERRIDE name:foo visibility:public modality:ABSTRACT <> ($this:<root>.IFooBar) returnType:kotlin.Unit
+      overridden:
+        public abstract fun foo (): kotlin.Unit declared in <root>.IFooBar
+      $this: VALUE_PARAMETER name:<this> type:<root>.IFooBar
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($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/parameters/delegatedMembers.fir.txt b/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.fir.txt
index 4c29fc71ed3..85e3224c614 100644
--- a/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.fir.txt
+++ b/compiler/testData/ir/irText/declarations/parameters/delegatedMembers.fir.txt
@@ -27,11 +27,35 @@ FILE fqName:<root> fileName:/delegatedMembers.kt
       overridden:
         public open fun toString (): kotlin.String declared in kotlin.Any
       $this: VALUE_PARAMETER name:<this> type:kotlin.Any
-  CLASS CLASS name:Test modality:FINAL visibility:public superTypes:[]
+  CLASS CLASS name:Test modality:FINAL visibility:public superTypes:[<root>.IBase<TT of <root>.Test>]
     $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.Test
     TYPE_PARAMETER name:TT index:0 variance: superTypes:[]
     CONSTRUCTOR visibility:public <> (impl:<root>.IBase<TT of <uninitialized parent>>) returnType:<root>.Test<TT of <uninitialized parent>> [primary]
       VALUE_PARAMETER name:impl index:0 type:<root>.IBase<TT of <uninitialized parent>>
       BLOCK_BODY
         DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
-        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test modality:FINAL visibility:public superTypes:[]'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:Test modality:FINAL visibility:public superTypes:[<root>.IBase<TT of <root>.Test>]'
+    FUN FAKE_OVERRIDE name:foo visibility:public modality:ABSTRACT <> ($this:<root>.IBase, x:kotlin.Int) returnType:kotlin.Unit
+      overridden:
+        public abstract fun foo (x: kotlin.Int): kotlin.Unit declared in <root>.IBase
+      $this: VALUE_PARAMETER name:<this> type:<root>.IBase
+      VALUE_PARAMETER name:x index:0 type:kotlin.Int
+    FUN FAKE_OVERRIDE name:qux visibility:public modality:ABSTRACT <> ($this:<root>.IBase, t:TT of <root>.Test, x:X of <root>.IBase.qux) returnType:kotlin.Unit
+      overridden:
+        public abstract fun qux <X> (t: T of <root>.IBase, x: X of <root>.IBase.qux): kotlin.Unit declared in <root>.IBase
+      $this: VALUE_PARAMETER name:<this> type:<root>.IBase
+      VALUE_PARAMETER name:t index:0 type:TT of <root>.Test
+      VALUE_PARAMETER name:x index:1 type:X of <root>.IBase.qux
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($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