diff --git a/api/system-current.txt b/api/system-current.txt
index f4e2a936f603f..11c297149ae58 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -11514,7 +11514,6 @@ package android.telephony {
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean matchesCurrentSimOperator(@NonNull String, int, @Nullable String);
     method public boolean needsOtaServiceProvisioning();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void notifyOtaEmergencyNumberDbInstalled();
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void notifyUserActivity();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean rebootRadio();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void reportDefaultNetworkStatus(boolean);
     method @RequiresPermission(allOf={android.Manifest.permission.ACCESS_FINE_LOCATION, android.Manifest.permission.MODIFY_PHONE_STATE}) public void requestCellInfoUpdate(@NonNull android.os.WorkSource, @NonNull java.util.concurrent.Executor, @NonNull android.telephony.TelephonyManager.CellInfoCallback);
diff --git a/telephony/api/system-current.txt b/telephony/api/system-current.txt
index a49d3d539a7a6..63bc422f4f875 100644
--- a/telephony/api/system-current.txt
+++ b/telephony/api/system-current.txt
@@ -825,7 +825,6 @@ package android.telephony {
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean matchesCurrentSimOperator(@NonNull String, int, @Nullable String);
     method public boolean needsOtaServiceProvisioning();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void notifyOtaEmergencyNumberDbInstalled();
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void notifyUserActivity();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean rebootRadio();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void reportDefaultNetworkStatus(boolean);
     method @RequiresPermission(allOf={android.Manifest.permission.ACCESS_FINE_LOCATION, android.Manifest.permission.MODIFY_PHONE_STATE}) public void requestCellInfoUpdate(@NonNull android.os.WorkSource, @NonNull java.util.concurrent.Executor, @NonNull android.telephony.TelephonyManager.CellInfoCallback);
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index fbd69da84936c..b9679fd48fd81 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -13114,7 +13114,6 @@ public class TelephonyManager {
      * This should only be called from system Uid.
      * @hide
      */
-    @SystemApi
     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
     public void notifyUserActivity() {
         try {