diff --git a/test-mock/api/removed.txt b/test-mock/api/removed.txt
index 1496c35..fa2fbd2 100644
--- a/test-mock/api/removed.txt
+++ b/test-mock/api/removed.txt
@@ -1,4 +1,6 @@
 // Signature format: 2.0
+// - add-additional-overrides=no
+// - migrating=Migration in progress see b/299366704
 package android.test.mock {
 
   public class MockContext extends android.content.Context {