diff --git a/Android.bp b/Android.bp
index 26971be0d23eb..9ed72eea53475 100644
--- a/Android.bp
+++ b/Android.bp
@@ -855,6 +855,7 @@ filegroup {
 
 aidl_interface {
     name: "libincremental_aidl",
+    unstable: true,
     srcs: [
         ":incremental_aidl",
     ],
diff --git a/packages/Tethering/common/TetheringLib/Android.bp b/packages/Tethering/common/TetheringLib/Android.bp
index 31c40d2a3343e..ee6b9f12f9d2d 100644
--- a/packages/Tethering/common/TetheringLib/Android.bp
+++ b/packages/Tethering/common/TetheringLib/Android.bp
@@ -16,6 +16,7 @@
 // AIDL interfaces between the core system and the tethering mainline module.
 aidl_interface {
     name: "tethering-aidl-interfaces",
+    unstable: true,
     local_include_dir: "src",
     include_dirs: ["frameworks/base/core/java"], // For framework parcelables.
     srcs: [