diff --git a/libraries/kotlinx-metadata/jvm/api/kotlinx-metadata-jvm.api b/libraries/kotlinx-metadata/jvm/api/kotlinx-metadata-jvm.api
index 5e260e7d2e3..5f3ef71a70c 100644
--- a/libraries/kotlinx-metadata/jvm/api/kotlinx-metadata-jvm.api
+++ b/libraries/kotlinx-metadata/jvm/api/kotlinx-metadata-jvm.api
@@ -801,8 +801,7 @@ public final class kotlinx/metadata/KmType : kotlinx/metadata/KmTypeVisitor {
 	public fun visitAbbreviatedType (I)Lkotlinx/metadata/KmTypeVisitor;
 	public fun visitArgument (ILkotlinx/metadata/KmVariance;)Lkotlinx/metadata/KmTypeVisitor;
 	public fun visitClass (Ljava/lang/String;)V
-	public synthetic fun visitExtensions (Lkotlinx/metadata/KmExtensionType;)Lkotlinx/metadata/KmTypeExtensionVisitor;
-	public fun visitExtensions (Lkotlinx/metadata/KmExtensionType;)Lkotlinx/metadata/internal/extensions/KmTypeExtension;
+	public fun visitExtensions (Lkotlinx/metadata/KmExtensionType;)Lkotlinx/metadata/KmTypeExtensionVisitor;
 	public fun visitFlexibleTypeUpperBound (ILjava/lang/String;)Lkotlinx/metadata/KmTypeVisitor;
 	public fun visitOuterType (I)Lkotlinx/metadata/KmTypeVisitor;
 	public fun visitStarProjection ()V
diff --git a/libraries/kotlinx-metadata/src/kotlinx/metadata/nodes.kt b/libraries/kotlinx-metadata/src/kotlinx/metadata/nodes.kt
index 4d9e7cbba0a..060b5dcf158 100644
--- a/libraries/kotlinx-metadata/src/kotlinx/metadata/nodes.kt
+++ b/libraries/kotlinx-metadata/src/kotlinx/metadata/nodes.kt
@@ -859,7 +859,7 @@ class KmType(var flags: Flags) : KmTypeVisitor() {
         KmType(flags).also { flexibleTypeUpperBound = KmFlexibleTypeUpperBound(it, typeFlexibilityId) }
 
     @Deprecated(VISITOR_API_MESSAGE)
-    override fun visitExtensions(type: KmExtensionType): KmTypeExtension =
+    override fun visitExtensions(type: KmExtensionType): KmTypeExtensionVisitor =
         extensions.singleOfType(type)
 
     /**