diff --git a/backend.native/tests/external/codegen/blackbox/classes/inheritSetAndHashSet.kt b/backend.native/tests/external/codegen/blackbox/classes/inheritSetAndHashSet.kt
index 1bdc245676f..b5799632fdf 100644
--- a/backend.native/tests/external/codegen/blackbox/classes/inheritSetAndHashSet.kt
+++ b/backend.native/tests/external/codegen/blackbox/classes/inheritSetAndHashSet.kt
@@ -1,3 +1,5 @@
+// IGNORE_BACKEND: NATIVE
+
 interface A : Set<String>
 
 class B : A, HashSet<String>()
diff --git a/backend.native/tests/external/codegen/blackbox/jdk/kt1397.kt b/backend.native/tests/external/codegen/blackbox/jdk/kt1397.kt
index 17130d18c96..a18209a99c3 100644
--- a/backend.native/tests/external/codegen/blackbox/jdk/kt1397.kt
+++ b/backend.native/tests/external/codegen/blackbox/jdk/kt1397.kt
@@ -1,3 +1,4 @@
+// IGNORE_BACKEND: NATIVE
 
 class IntArrayList(): ArrayList<Int>() {
     override fun get(index: Int): Int = super.get(index)