diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanBackendContext.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanBackendContext.kt
index d0fcbde4df6..617265cffb7 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanBackendContext.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanBackendContext.kt
@@ -65,8 +65,6 @@ internal abstract class KonanBackendContext(val config: KonanConfig) : CommonBac
 
     override val mapping: Mapping = DefaultMapping()
 
-    override val extractedLocalClasses: MutableSet<IrClass> = mutableSetOf()
-
     override val irFactory: IrFactory = IrFactoryImpl
 }