diff --git a/compiler/testData/codegen/box/collections/removeAtIntOverrideInJava.kt b/compiler/testData/codegen/box/collections/removeAtIntOverrideInJava.kt
index f119d6cf550..923870e118e 100644
--- a/compiler/testData/codegen/box/collections/removeAtIntOverrideInJava.kt
+++ b/compiler/testData/codegen/box/collections/removeAtIntOverrideInJava.kt
@@ -1,4 +1,5 @@
 // TARGET_BACKEND: JVM
+// IGNORE_CODEGEN_WITH_IR_FAKE_OVERRIDE_GENERATION: KT-63489
 
 // FILE: A.java
 abstract public class A extends B {
diff --git a/compiler/testData/codegen/box/specialBuiltins/charBuffer.kt b/compiler/testData/codegen/box/specialBuiltins/charBuffer.kt
index 0796b454772..187c98ee328 100644
--- a/compiler/testData/codegen/box/specialBuiltins/charBuffer.kt
+++ b/compiler/testData/codegen/box/specialBuiltins/charBuffer.kt
@@ -1,4 +1,5 @@
 // TARGET_BACKEND: JVM
+// IGNORE_CODEGEN_WITH_IR_FAKE_OVERRIDE_GENERATION: KT-63489
 // MODULE: lib
 // FILE: CharBuffer.java