diff --git a/libs/gui/android/gui/IWindowInfosListener.aidl b/libs/gui/android/gui/IWindowInfosListener.aidl
index 400229d..07cb5ed 100644
--- a/libs/gui/android/gui/IWindowInfosListener.aidl
+++ b/libs/gui/android/gui/IWindowInfosListener.aidl
@@ -16,11 +16,9 @@
 
 package android.gui;
 
-import android.gui.IWindowInfosReportedListener;
 import android.gui.WindowInfosUpdate;
 
 /** @hide */
 oneway interface IWindowInfosListener {
-    void onWindowInfosChanged(
-        in WindowInfosUpdate update, in @nullable IWindowInfosReportedListener windowInfosReportedListener);
+    void onWindowInfosChanged(in WindowInfosUpdate update);
 }
diff --git a/libs/gui/android/gui/IWindowInfosPublisher.aidl b/libs/gui/android/gui/IWindowInfosPublisher.aidl
new file mode 100644
index 0000000..5a9c328
--- /dev/null
+++ b/libs/gui/android/gui/IWindowInfosPublisher.aidl
@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2023, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.gui;
+
+/** @hide */
+oneway interface IWindowInfosPublisher
+{
+    void ackWindowInfosReceived(long vsyncId, long listenerId);
+}