diff --git a/common/flags.aconfig b/common/flags.aconfig
index 72352028a4..2e552a1ba9 100644
--- a/common/flags.aconfig
+++ b/common/flags.aconfig
@@ -20,10 +20,3 @@ flag {
   description: "Remove expired services from MdnsServiceCache"
   bug: "304649384"
 }
-
-flag {
-  name: "set_data_saver_via_cm"
-  namespace: "android_core_networking"
-  description: "Set data saver through ConnectivityManager API"
-  bug: "297836825"
-}
diff --git a/framework/api/module-lib-current.txt b/framework/api/module-lib-current.txt
index 782e20a981..193bd920d2 100644
--- a/framework/api/module-lib-current.txt
+++ b/framework/api/module-lib-current.txt
@@ -24,7 +24,6 @@ package android.net {
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptPartialConnectivity(@NonNull android.net.Network, boolean, boolean);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAcceptUnvalidated(@NonNull android.net.Network, boolean, boolean);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_SETUP_WIZARD, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setAvoidUnvalidated(@NonNull android.net.Network);
-    method @FlaggedApi("com.android.net.flags.set_data_saver_via_cm") @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setDataSaverEnabled(boolean);
     method @RequiresPermission(anyOf={android.Manifest.permission.NETWORK_SETTINGS, android.Manifest.permission.NETWORK_STACK, android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK}) public void setFirewallChainEnabled(int, boolean);
     method @RequiresPermission(android.Manifest.permission.NETWORK_STACK) public void setGlobalProxy(@Nullable android.net.ProxyInfo);
     method @RequiresPermission(anyOf={android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, android.Manifest.permission.NETWORK_STACK, android.Manifest.permission.NETWORK_SETTINGS}) public void setLegacyLockdownVpnEnabled(boolean);
diff --git a/framework/src/android/net/ConnectivityManager.java b/framework/src/android/net/ConnectivityManager.java
index 9e879c25a2..915c20da5f 100644
--- a/framework/src/android/net/ConnectivityManager.java
+++ b/framework/src/android/net/ConnectivityManager.java
@@ -26,7 +26,6 @@ import static android.net.NetworkRequest.Type.TRACK_SYSTEM_DEFAULT;
 import static android.net.QosCallback.QosCallbackRegistrationException;
 
 import android.annotation.CallbackExecutor;
-import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
@@ -116,14 +115,6 @@ public class ConnectivityManager {
     private static final String TAG = "ConnectivityManager";
     private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
-    // TODO : remove this class when udc-mainline-prod is abandoned and android.net.flags.Flags is
-    // available here
-    /** @hide */
-    public static class Flags {
-        static final String SET_DATA_SAVER_VIA_CM =
-                "com.android.net.flags.set_data_saver_via_cm";
-    }
-
     /**
      * A change in network connectivity has occurred. A default connection has either
      * been established or lost. The NetworkInfo for the affected network is
@@ -5966,28 +5957,6 @@ public class ConnectivityManager {
         return new Range(TUN_INTF_NETID_START, TUN_INTF_NETID_START + TUN_INTF_NETID_RANGE - 1);
     }
 
-    /**
-     * Sets data saver switch.
-     *
-     * @param enable True if enable.
-     * @throws IllegalStateException if failed.
-     * @hide
-     */
-    @FlaggedApi(Flags.SET_DATA_SAVER_VIA_CM)
-    @SystemApi(client = MODULE_LIBRARIES)
-    @RequiresPermission(anyOf = {
-            android.Manifest.permission.NETWORK_SETTINGS,
-            android.Manifest.permission.NETWORK_STACK,
-            NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK
-    })
-    public void setDataSaverEnabled(final boolean enable) {
-        try {
-            mService.setDataSaverEnabled(enable);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
-    }
-
     /**
      * Adds the specified UID to the list of UIds that are allowed to use data on metered networks
      * even when background data is restricted. The deny list takes precedence over the allow list.
diff --git a/framework/src/android/net/IConnectivityManager.aidl b/framework/src/android/net/IConnectivityManager.aidl
index 92e1ea114e..fe277732b0 100644
--- a/framework/src/android/net/IConnectivityManager.aidl
+++ b/framework/src/android/net/IConnectivityManager.aidl
@@ -240,8 +240,6 @@ interface IConnectivityManager
 
     void setTestAllowBadWifiUntil(long timeMs);
 
-    void setDataSaverEnabled(boolean enable);
-
     void updateMeteredNetworkAllowList(int uid, boolean add);
 
     void updateMeteredNetworkDenyList(int uid, boolean add);
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index ada5860a0b..2797b47e31 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -12586,20 +12586,6 @@ public class ConnectivityService extends IConnectivityManager.Stub
         }
     }
 
-    @Override
-    public void setDataSaverEnabled(final boolean enable) {
-        enforceNetworkStackOrSettingsPermission();
-        try {
-            final boolean ret = mNetd.bandwidthEnableDataSaver(enable);
-            if (!ret) {
-                throw new IllegalStateException("Error when changing iptables: " + enable);
-            }
-        } catch (RemoteException e) {
-            // Lack of permission or binder errors.
-            throw new IllegalStateException(e);
-        }
-    }
-
     @Override
     public void updateMeteredNetworkAllowList(final int uid, final boolean add) {
         enforceNetworkStackOrSettingsPermission();