diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirAbstractBodyResolveTransformer.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirAbstractBodyResolveTransformer.kt
index 6a4d87d9d70..3c3351ca518 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirAbstractBodyResolveTransformer.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirAbstractBodyResolveTransformer.kt
@@ -159,7 +159,8 @@ abstract class FirAbstractBodyResolveTransformer(phase: FirResolvePhase) : FirAb
             localScopes = localScopes.add(localScope)
         }
 
-        fun storeClass(klass: FirRegularClass) {
+        fun storeClassIfNotNested(klass: FirRegularClass) {
+            if (containerIfAny is FirClass<*>) return
             updateLastScope { storeClass(klass) }
         }
 
diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirDeclarationsResolveTransformer.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirDeclarationsResolveTransformer.kt
index 5a50161ff61..db16f293928 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirDeclarationsResolveTransformer.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirDeclarationsResolveTransformer.kt
@@ -317,7 +317,7 @@ open class FirDeclarationsResolveTransformer(transformer: FirBodyResolveTransfor
     }
 
     override fun transformRegularClass(regularClass: FirRegularClass, data: ResolutionMode): CompositeTransformResult<FirStatement> {
-        context.storeClass(regularClass)
+        context.storeClassIfNotNested(regularClass)
 
         if (regularClass.isLocal && regularClass !in context.targetedLocalClasses) {
             return regularClass.runAllPhasesForLocalClass(transformer, components, data).compose()
diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/contracts/FirContractResolveTransformer.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/contracts/FirContractResolveTransformer.kt
index 26c2f176444..72e2d37c9a6 100644
--- a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/contracts/FirContractResolveTransformer.kt
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/contracts/FirContractResolveTransformer.kt
@@ -163,7 +163,7 @@ class FirContractResolveTransformer(
 
         override fun transformRegularClass(regularClass: FirRegularClass, data: ResolutionMode): CompositeTransformResult<FirStatement> {
             regularClass.updatePhase()
-            context.storeClass(regularClass)
+            context.storeClassIfNotNested(regularClass)
             regularClass.transformCompanionObject(this, data)
             withTypeParametersOf(regularClass) {
                 context.withContainer(regularClass) {