diff --git a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
index 65c2f05f608..f19928ae083 100644
--- a/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
+++ b/compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/ClassGenerator.kt
@@ -75,14 +75,15 @@ class ClassGenerator(
         }
     }
 
-    fun generateClass(ktClassOrObject: KtPureClassOrObject): IrClass {
+    fun generateClass(ktClassOrObject: KtPureClassOrObject, visibility_: Visibility? = null): IrClass {
         val classDescriptor = ktClassOrObject.findClassDescriptor(this.context.bindingContext)
         val startOffset = ktClassOrObject.getStartOffsetOfClassDeclarationOrNull() ?: ktClassOrObject.pureStartOffset
         val endOffset = ktClassOrObject.pureEndOffset
+        val visibility = visibility_ ?: classDescriptor.visibility
 
         return context.symbolTable.declareClass(
             startOffset, endOffset, IrDeclarationOrigin.DEFINED, classDescriptor,
-            getEffectiveModality(ktClassOrObject, classDescriptor)
+            getEffectiveModality(ktClassOrObject, classDescriptor), visibility
         ).buildWithScope { irClass ->
             declarationGenerator.generateGlobalTypeParametersDeclarations(irClass, classDescriptor.declaredTypeParameters)
 
@@ -492,7 +493,7 @@ class ClassGenerator(
             }
 
             if (ktEnumEntry.hasMemberDeclarations()) {
-                irEnumEntry.correspondingClass = generateClass(ktEnumEntry)
+                irEnumEntry.correspondingClass = generateClass(ktEnumEntry, Visibilities.PRIVATE)
             }
         }
 
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrClassImpl.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrClassImpl.kt
index 57fea2812a6..e60e9922fbb 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrClassImpl.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrClassImpl.kt
@@ -59,12 +59,13 @@ class IrClassImpl(
         endOffset: Int,
         origin: IrDeclarationOrigin,
         symbol: IrClassSymbol,
-        modality: Modality = symbol.descriptor.modality
+        modality: Modality = symbol.descriptor.modality,
+        visibility: Visibility = symbol.descriptor.visibility
     ) :
             this(
                 startOffset, endOffset, origin, symbol,
                 symbol.descriptor.name, symbol.descriptor.kind,
-                symbol.descriptor.visibility,
+                visibility,
                 modality = modality,
                 isCompanion = symbol.descriptor.isCompanionObject,
                 isInner = symbol.descriptor.isInner,
diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/SymbolTable.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/SymbolTable.kt
index addc403ffe2..460ce7d883c 100644
--- a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/SymbolTable.kt
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/SymbolTable.kt
@@ -344,9 +344,9 @@ open class SymbolTable(val mangler: KotlinMangler? = null) : ReferenceSymbolTabl
 
     fun declareClass(
         startOffset: Int, endOffset: Int, origin: IrDeclarationOrigin, descriptor: ClassDescriptor,
-        modality: Modality = descriptor.modality,
+        modality: Modality = descriptor.modality, visibility: Visibility = descriptor.visibility,
         classFactory: (IrClassSymbol) -> IrClass = {
-            IrClassImpl(startOffset, endOffset, origin, it, modality).apply { metadata = MetadataSource.Class(it.descriptor) }
+            IrClassImpl(startOffset, endOffset, origin, it, modality, visibility).apply { metadata = MetadataSource.Class(it.descriptor) }
         }
     ): IrClass {
         return classSymbolTable.declare(