diff --git a/plugins/parcelize/parcelize-compiler/parcelize.k2/src/org/jetbrains/kotlin/parcelize/fir/FirParcelizeDeclarationGenerator.kt b/plugins/parcelize/parcelize-compiler/parcelize.k2/src/org/jetbrains/kotlin/parcelize/fir/FirParcelizeDeclarationGenerator.kt
index 15f39fa7c7e..f27a59b2bae 100644
--- a/plugins/parcelize/parcelize-compiler/parcelize.k2/src/org/jetbrains/kotlin/parcelize/fir/FirParcelizeDeclarationGenerator.kt
+++ b/plugins/parcelize/parcelize-compiler/parcelize.k2/src/org/jetbrains/kotlin/parcelize/fir/FirParcelizeDeclarationGenerator.kt
@@ -20,7 +20,6 @@ import org.jetbrains.kotlin.fir.plugin.createConeType
 import org.jetbrains.kotlin.fir.plugin.createMemberFunction
 import org.jetbrains.kotlin.fir.resolve.fullyExpandedType
 import org.jetbrains.kotlin.fir.resolve.lookupSuperTypes
-import org.jetbrains.kotlin.fir.symbols.SymbolInternals
 import org.jetbrains.kotlin.fir.symbols.impl.*
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.name.CallableId
@@ -104,15 +103,14 @@ class FirParcelizeDeclarationGenerator(session: FirSession) : FirDeclarationGene
         }
     }
 
-    @OptIn(SymbolInternals::class)
     override fun getCallableNamesForClass(classSymbol: FirClassSymbol<*>, context: MemberGenerationContext): Set<Name> {
         return when {
-            classSymbol.fir.modality == Modality.ABSTRACT -> emptySet()
-            classSymbol in matchedClasses && classSymbol.fir.modality != Modality.SEALED -> parcelizeMethodsNames
+            classSymbol.rawStatus.modality == Modality.ABSTRACT || classSymbol.rawStatus.modality == Modality.SEALED -> emptySet()
+            classSymbol in matchedClasses && classSymbol.rawStatus.modality != Modality.SEALED -> parcelizeMethodsNames
             else -> {
                 val hasAnnotatedSealedSuperType = classSymbol.resolvedSuperTypeRefs.any {
                     val superSymbol = it.type.fullyExpandedType(session).toRegularClassSymbol(session) ?: return@any false
-                    superSymbol.fir.modality == Modality.SEALED && superSymbol in matchedClasses
+                    superSymbol.rawStatus.modality == Modality.SEALED && superSymbol in matchedClasses
                 }
                 if (hasAnnotatedSealedSuperType) {
                     parcelizeMethodsNames
diff --git a/plugins/parcelize/parcelize-compiler/testData/box/sealedClass2.kt b/plugins/parcelize/parcelize-compiler/testData/box/sealedClass2.kt
index 5fdb9638bb1..376609756d6 100644
--- a/plugins/parcelize/parcelize-compiler/testData/box/sealedClass2.kt
+++ b/plugins/parcelize/parcelize-compiler/testData/box/sealedClass2.kt
@@ -11,6 +11,7 @@ import android.os.Parcelable
 sealed class Foo : Parcelable {
     data class A(val x: Int) : Foo()
     object B : Foo()
+    sealed class Inner : Foo()
 }
 
 data class C(val x: String) : Foo()
diff --git a/plugins/parcelize/parcelize-compiler/testData/diagnostics/modality.fir.kt b/plugins/parcelize/parcelize-compiler/testData/diagnostics/modality.fir.kt
index 2d8e453a6f2..816c7f96d06 100644
--- a/plugins/parcelize/parcelize-compiler/testData/diagnostics/modality.fir.kt
+++ b/plugins/parcelize/parcelize-compiler/testData/diagnostics/modality.fir.kt
@@ -15,6 +15,9 @@ class Final(val foo: String) : Parcelable
 @Parcelize
 sealed class Sealed(val foo: String) : Parcelable {
     class X : Sealed("")
+    sealed class Inner : Sealed("") {
+        <!ABSTRACT_MEMBER_NOT_IMPLEMENTED!>class Y<!> : Inner()
+    }
 }
 
 class Outer {
diff --git a/plugins/parcelize/parcelize-compiler/testData/diagnostics/modality.kt b/plugins/parcelize/parcelize-compiler/testData/diagnostics/modality.kt
index 38441e5314e..479b51a91fa 100644
--- a/plugins/parcelize/parcelize-compiler/testData/diagnostics/modality.kt
+++ b/plugins/parcelize/parcelize-compiler/testData/diagnostics/modality.kt
@@ -15,6 +15,9 @@ class Final(val foo: String) : Parcelable
 @Parcelize
 sealed class Sealed(val foo: String) : Parcelable {
     class X : Sealed("")
+    sealed class Inner : Sealed("") {
+        <!ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED!>class Y<!> : Inner()
+    }
 }
 
 class Outer {