diff --git a/api/system-current.txt b/api/system-current.txt
index 8191c1dd201b2..ed87c0f040337 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -9530,16 +9530,6 @@ package android.telephony {
     field public static final int SRVCC_STATE_HANDOVER_STARTED = 0; // 0x0
   }
 
-  public class TelephonyRegistryManager {
-    method public void addOnOpportunisticSubscriptionsChangedListener(@NonNull android.telephony.SubscriptionManager.OnOpportunisticSubscriptionsChangedListener, @NonNull java.util.concurrent.Executor);
-    method public void addOnSubscriptionsChangedListener(@NonNull android.telephony.SubscriptionManager.OnSubscriptionsChangedListener, @NonNull java.util.concurrent.Executor);
-    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void notifyCallStateChangedForAllSubscriptions(int, @Nullable String);
-    method public void notifyCarrierNetworkChange(boolean);
-    method public void notifyRegistrationFailed(int, int, @NonNull android.telephony.CellIdentity, @NonNull String, int, int, int);
-    method public void removeOnOpportunisticSubscriptionsChangedListener(@NonNull android.telephony.SubscriptionManager.OnOpportunisticSubscriptionsChangedListener);
-    method public void removeOnSubscriptionsChangedListener(@NonNull android.telephony.SubscriptionManager.OnSubscriptionsChangedListener);
-  }
-
   public final class UiccAccessRule implements android.os.Parcelable {
     ctor public UiccAccessRule(byte[], @Nullable String, long);
     method public int describeContents();
diff --git a/core/java/android/telephony/TelephonyRegistryManager.java b/core/java/android/telephony/TelephonyRegistryManager.java
index a2422948ca861..ddc38bf6b84d8 100644
--- a/core/java/android/telephony/TelephonyRegistryManager.java
+++ b/core/java/android/telephony/TelephonyRegistryManager.java
@@ -18,7 +18,6 @@ package android.telephony;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.RequiresPermission;
-import android.annotation.SystemApi;
 import android.annotation.TestApi;
 import android.content.Context;
 import android.os.Binder;
@@ -61,7 +60,6 @@ import java.util.concurrent.Executor;
  *
  * @hide
  */
-@SystemApi
 public class TelephonyRegistryManager {
 
     private static final String TAG = "TelephonyRegistryManager";
@@ -250,7 +248,6 @@ public class TelephonyRegistryManager {
      * @param incomingNumber incoming phone number.
      * @hide
      */
-    @SystemApi
     @TestApi
     @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE)
     public void notifyCallStateChangedForAllSubscriptions(@CallState int state,