diff --git a/src/com/android/settings/AllInOneTetherSettings.java b/src/com/android/settings/AllInOneTetherSettings.java
deleted file mode 100644
index b3644f8..0000000
--- a/src/com/android/settings/AllInOneTetherSettings.java
+++ /dev/null
@@ -1,444 +0,0 @@
-/*
- * Copyright (C) 2020 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 com.android.settings;
-
-import static android.net.ConnectivityManager.TETHERING_WIFI;
-import static android.net.TetheringManager.ACTION_TETHER_STATE_CHANGED;
-import static android.net.wifi.WifiManager.WIFI_AP_STATE_CHANGED_ACTION;
-
-import android.app.settings.SettingsEnums;
-import android.bluetooth.BluetoothAdapter;
-import android.bluetooth.BluetoothPan;
-import android.bluetooth.BluetoothProfile;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.net.wifi.SoftApConfiguration;
-import android.net.wifi.WifiManager;
-import android.os.Bundle;
-import android.os.UserManager;
-import android.text.TextUtils;
-import android.util.FeatureFlagUtils;
-import android.util.Log;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceGroup;
-
-import com.android.settings.core.FeatureFlags;
-import com.android.settings.dashboard.RestrictedDashboardFragment;
-import com.android.settings.datausage.DataSaverBackend;
-import com.android.settings.network.BluetoothTetherPreferenceController;
-import com.android.settings.network.EthernetTetherPreferenceController;
-import com.android.settings.network.TetherEnabler;
-import com.android.settings.network.UsbTetherPreferenceController;
-import com.android.settings.network.WifiTetherDisablePreferenceController;
-import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settings.widget.MainSwitchBarController;
-import com.android.settings.widget.SettingsMainSwitchBar;
-import com.android.settings.wifi.tether.WifiTetherApBandPreferenceController;
-import com.android.settings.wifi.tether.WifiTetherAutoOffPreferenceController;
-import com.android.settings.wifi.tether.WifiTetherBasePreferenceController;
-import com.android.settings.wifi.tether.WifiTetherFooterPreferenceController;
-import com.android.settings.wifi.tether.WifiTetherPasswordPreferenceController;
-import com.android.settings.wifi.tether.WifiTetherSSIDPreferenceController;
-import com.android.settings.wifi.tether.WifiTetherSecurityPreferenceController;
-import com.android.settingslib.TetherUtil;
-import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.search.SearchIndexable;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.atomic.AtomicReference;
-
-/**
- * Displays preferences for all Tethering options.
- */
-@SearchIndexable
-public class AllInOneTetherSettings extends RestrictedDashboardFragment
-        implements DataSaverBackend.Listener,
-        WifiTetherBasePreferenceController.OnTetherConfigUpdateListener {
-
-    // TODO(b/148622133): Should clean up the postfix once this fragment replaced TetherSettings.
-    public static final String DEDUP_POSTFIX = "_2";
-
-    @VisibleForTesting
-    static final String KEY_WIFI_TETHER_NETWORK_NAME = "wifi_tether_network_name" + DEDUP_POSTFIX;
-    @VisibleForTesting
-    static final String KEY_WIFI_TETHER_NETWORK_PASSWORD =
-            "wifi_tether_network_password" + DEDUP_POSTFIX;
-    @VisibleForTesting
-    static final String KEY_WIFI_TETHER_AUTO_OFF = "wifi_tether_auto_turn_off" + DEDUP_POSTFIX;
-    @VisibleForTesting
-    static final String KEY_WIFI_TETHER_NETWORK_AP_BAND =
-            "wifi_tether_network_ap_band" + DEDUP_POSTFIX;
-    @VisibleForTesting
-    static final String KEY_WIFI_TETHER_SECURITY = "wifi_tether_security" + DEDUP_POSTFIX;
-
-    private static final String KEY_DATA_SAVER_FOOTER = "disabled_on_data_saver" + DEDUP_POSTFIX;
-    private static final String KEY_WIFI_TETHER_GROUP = "wifi_tether_settings_group";
-    public static final String WIFI_TETHER_DISABLE_KEY = "disable_wifi_tethering";
-    public static final String USB_TETHER_KEY = "enable_usb_tethering";
-    public static final String BLUETOOTH_TETHER_KEY = "enable_bluetooth_tethering" + DEDUP_POSTFIX;
-    public static final String ETHERNET_TETHER_KEY = "enable_ethernet_tethering" + DEDUP_POSTFIX;
-
-    @VisibleForTesting
-    static final int EXPANDED_CHILD_COUNT_DEFAULT = 4;
-    @VisibleForTesting
-    static final int EXPANDED_CHILD_COUNT_WITH_SECURITY_NON = 3;
-    @VisibleForTesting
-    static final int EXPANDED_CHILD_COUNT_MAX = Integer.MAX_VALUE;
-    private static final String TAG = "AllInOneTetherSettings";
-
-    private boolean mUnavailable;
-
-    private DataSaverBackend mDataSaverBackend;
-    private boolean mDataSaverEnabled;
-    private Preference mDataSaverFooter;
-
-    private WifiManager mWifiManager;
-    private boolean mRestartWifiApAfterConfigChange;
-    private final AtomicReference<BluetoothPan> mBluetoothPan = new AtomicReference<>();
-
-    private WifiTetherSSIDPreferenceController mSSIDPreferenceController;
-    private WifiTetherPasswordPreferenceController mPasswordPreferenceController;
-    private WifiTetherApBandPreferenceController mApBandPreferenceController;
-    private WifiTetherSecurityPreferenceController mSecurityPreferenceController;
-    private PreferenceGroup mWifiTetherGroup;
-    private boolean mShouldShowWifiConfig = true;
-    private boolean mHasShownAdvance;
-    private TetherEnabler mTetherEnabler;
-    @VisibleForTesting
-    final TetherEnabler.OnTetherStateUpdateListener mStateUpdateListener =
-            state -> {
-                mShouldShowWifiConfig = TetherEnabler.isTethering(state, TETHERING_WIFI)
-                        || state == TetherEnabler.TETHERING_OFF;
-                getPreferenceScreen().setInitialExpandedChildrenCount(
-                        getInitialExpandedChildCount());
-                mWifiTetherGroup.setVisible(mShouldShowWifiConfig);
-            };
-
-    private final BroadcastReceiver mTetherChangeReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context content, Intent intent) {
-            String action = intent.getAction();
-            if (Log.isLoggable(TAG, Log.DEBUG)) {
-                Log.d(TAG,
-                        "updating display config due to receiving broadcast action " + action);
-            }
-            updateDisplayWithNewConfig();
-            if (TextUtils.equals(action, ACTION_TETHER_STATE_CHANGED)) {
-                restartWifiTetherIfNeed(mWifiManager.getWifiApState());
-            } else if (TextUtils.equals(action, WIFI_AP_STATE_CHANGED_ACTION)) {
-                restartWifiTetherIfNeed(intent.getIntExtra(WifiManager.EXTRA_WIFI_AP_STATE, 0));
-            }
-        }
-
-        private void restartWifiTetherIfNeed(int state) {
-            if (state == WifiManager.WIFI_AP_STATE_DISABLED
-                    && mRestartWifiApAfterConfigChange) {
-                mRestartWifiApAfterConfigChange = false;
-                mTetherEnabler.startTethering(TETHERING_WIFI);
-            }
-        }
-    };
-
-    private final BluetoothProfile.ServiceListener mProfileServiceListener =
-            new BluetoothProfile.ServiceListener() {
-                public void onServiceConnected(int profile, BluetoothProfile proxy) {
-                    mBluetoothPan.set((BluetoothPan) proxy);
-                }
-
-                public void onServiceDisconnected(int profile) {
-                    mBluetoothPan.set(null);
-                }
-            };
-
-    @Override
-    public int getMetricsCategory() {
-        return SettingsEnums.TETHER;
-    }
-
-    public AllInOneTetherSettings() {
-        super(UserManager.DISALLOW_CONFIG_TETHERING);
-    }
-
-    @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
-        mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
-
-        mSSIDPreferenceController = use(WifiTetherSSIDPreferenceController.class);
-        mSecurityPreferenceController = use(WifiTetherSecurityPreferenceController.class);
-        mPasswordPreferenceController = use(WifiTetherPasswordPreferenceController.class);
-        mApBandPreferenceController = use(WifiTetherApBandPreferenceController.class);
-        getSettingsLifecycle().addObserver(use(UsbTetherPreferenceController.class));
-        getSettingsLifecycle().addObserver(use(BluetoothTetherPreferenceController.class));
-        getSettingsLifecycle().addObserver(use(EthernetTetherPreferenceController.class));
-        getSettingsLifecycle().addObserver(use(WifiTetherDisablePreferenceController.class));
-    }
-
-    @Override
-    public void onCreate(Bundle icicle) {
-        super.onCreate(icicle);
-        mDataSaverBackend = new DataSaverBackend(getContext());
-        mDataSaverEnabled = mDataSaverBackend.isDataSaverEnabled();
-        mDataSaverFooter = findPreference(KEY_DATA_SAVER_FOOTER);
-        mWifiTetherGroup = findPreference(KEY_WIFI_TETHER_GROUP);
-
-        setIfOnlyAvailableForAdmins(true);
-        if (isUiRestricted()) {
-            mUnavailable = true;
-            return;
-        }
-
-        mDataSaverBackend.addListener(this);
-
-        // Set initial state based on Data Saver mode.
-        onDataSaverChanged(mDataSaverBackend.isDataSaverEnabled());
-    }
-
-    @Override
-    public void onActivityCreated(Bundle savedInstanceState) {
-        super.onActivityCreated(savedInstanceState);
-        if (mUnavailable) {
-            return;
-        }
-        // Assume we are in a SettingsActivity. This is only safe because we currently use
-        // SettingsActivity as base for all preference fragments.
-        final SettingsActivity activity = (SettingsActivity) getActivity();
-        final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
-        if (adapter != null) {
-            adapter.getProfileProxy(activity.getApplicationContext(), mProfileServiceListener,
-                    BluetoothProfile.PAN);
-        }
-        final SettingsMainSwitchBar mainSwitch = activity.getSwitchBar();
-        mTetherEnabler = new TetherEnabler(activity,
-                new MainSwitchBarController(mainSwitch), mBluetoothPan);
-        getSettingsLifecycle().addObserver(mTetherEnabler);
-        use(UsbTetherPreferenceController.class).setTetherEnabler(mTetherEnabler);
-        use(BluetoothTetherPreferenceController.class).setTetherEnabler(mTetherEnabler);
-        use(EthernetTetherPreferenceController.class).setTetherEnabler(mTetherEnabler);
-        use(WifiTetherDisablePreferenceController.class).setTetherEnabler(mTetherEnabler);
-        mainSwitch.show();
-    }
-
-    @Override
-    public void onStart() {
-        super.onStart();
-
-        if (mUnavailable) {
-            if (!isUiRestrictedByOnlyAdmin()) {
-                getEmptyTextView().setText(
-                        com.android.settingslib.R.string.tethering_settings_not_available);
-            }
-            getPreferenceScreen().removeAll();
-            return;
-        }
-        final Context context = getContext();
-        if (context != null) {
-            // The intent WIFI_AP_STATE_CHANGED_ACTION is not sticky intent after SC-V2
-            // But ACTION_TETHER_STATE_CHANGED is still sticky intent. So no need to handle
-            // initial state for WIFI_AP_STATE_CHANGED_ACTION
-            IntentFilter filter = new IntentFilter(ACTION_TETHER_STATE_CHANGED);
-            filter.addAction(WIFI_AP_STATE_CHANGED_ACTION);
-            context.registerReceiver(mTetherChangeReceiver, filter);
-        }
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        if (mUnavailable) {
-            return;
-        }
-        if (mTetherEnabler != null) {
-            mTetherEnabler.addListener(mStateUpdateListener);
-        }
-    }
-
-    @Override
-    public void onPause() {
-        super.onPause();
-        if (mUnavailable) {
-            return;
-        }
-        if (mTetherEnabler != null) {
-            mTetherEnabler.removeListener(mStateUpdateListener);
-        }
-    }
-
-    @Override
-    public void onStop() {
-        super.onStop();
-        if (mUnavailable) {
-            return;
-        }
-        final Context context = getContext();
-        if (context != null) {
-            context.unregisterReceiver(mTetherChangeReceiver);
-        }
-    }
-
-    @Override
-    public void onDestroy() {
-        mDataSaverBackend.remListener(this);
-        super.onDestroy();
-    }
-
-    @Override
-    public void onDataSaverChanged(boolean isDataSaving) {
-        mDataSaverEnabled = isDataSaving;
-        mDataSaverFooter.setVisible(mDataSaverEnabled);
-    }
-
-    @Override
-    public void onAllowlistStatusChanged(int uid, boolean isAllowlisted) {
-        // Do nothing
-    }
-
-    @Override
-    public void onDenylistStatusChanged(int uid, boolean isDenylisted) {
-        // Do nothing
-    }
-
-    @Override
-    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
-        return buildPreferenceControllers(context, this);
-    }
-
-    private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
-            WifiTetherBasePreferenceController.OnTetherConfigUpdateListener listener) {
-        final List<AbstractPreferenceController> controllers = new ArrayList<>();
-        controllers.add(
-                new WifiTetherSSIDPreferenceController(context, listener));
-        controllers.add(
-                new WifiTetherPasswordPreferenceController(context, listener));
-        controllers.add(
-                new WifiTetherApBandPreferenceController(context, listener));
-        controllers.add(
-                new WifiTetherSecurityPreferenceController(context, listener));
-        controllers.add(
-                new WifiTetherAutoOffPreferenceController(context, KEY_WIFI_TETHER_AUTO_OFF));
-        controllers.add(
-                new WifiTetherFooterPreferenceController(context));
-
-        return controllers;
-    }
-
-    @Override
-    protected int getPreferenceScreenResId() {
-        return R.xml.all_tether_prefs;
-    }
-
-    @Override
-    protected String getLogTag() {
-        return TAG;
-    }
-
-    @Override
-    public int getHelpResource() {
-        return R.string.help_url_tether;
-    }
-
-    @Override
-    public void onTetherConfigUpdated(AbstractPreferenceController controller) {
-        final SoftApConfiguration config = buildNewConfig();
-        mPasswordPreferenceController.setSecurityType(config.getSecurityType());
-        mWifiManager.setSoftApConfiguration(config);
-
-        if (mWifiManager.getWifiApState() == WifiManager.WIFI_AP_STATE_ENABLED) {
-            if (Log.isLoggable(TAG, Log.DEBUG)) {
-                Log.d(TAG, "Wifi AP config changed while enabled, stop and restart");
-            }
-            mRestartWifiApAfterConfigChange = true;
-            mTetherEnabler.stopTethering(TETHERING_WIFI);
-        }
-    }
-
-    private SoftApConfiguration buildNewConfig() {
-        final SoftApConfiguration.Builder configBuilder = new SoftApConfiguration.Builder();
-        final int securityType = mSecurityPreferenceController.getSecurityType();
-        configBuilder.setSsid(mSSIDPreferenceController.getSSID());
-        if (securityType == SoftApConfiguration.SECURITY_TYPE_WPA2_PSK) {
-            configBuilder.setPassphrase(
-                    mPasswordPreferenceController.getPasswordValidated(securityType),
-                    SoftApConfiguration.SECURITY_TYPE_WPA2_PSK);
-        }
-        configBuilder.setBand(mApBandPreferenceController.getBandIndex());
-        return configBuilder.build();
-    }
-
-    private void updateDisplayWithNewConfig() {
-        mSSIDPreferenceController.updateDisplay();
-        mSecurityPreferenceController.updateDisplay();
-        mPasswordPreferenceController.updateDisplay();
-        mApBandPreferenceController.updateDisplay();
-    }
-
-    @Override
-    public int getInitialExpandedChildCount() {
-        if (mHasShownAdvance || !mShouldShowWifiConfig) {
-            mHasShownAdvance = true;
-            return EXPANDED_CHILD_COUNT_MAX;
-        }
-
-        if (mSecurityPreferenceController == null) {
-            return EXPANDED_CHILD_COUNT_DEFAULT;
-        }
-
-        return (mSecurityPreferenceController.getSecurityType()
-                == SoftApConfiguration.SECURITY_TYPE_OPEN)
-                ? EXPANDED_CHILD_COUNT_WITH_SECURITY_NON : EXPANDED_CHILD_COUNT_DEFAULT;
-    }
-
-    @Override
-    public void onExpandButtonClick() {
-        super.onExpandButtonClick();
-        mHasShownAdvance = true;
-    }
-
-    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
-            new BaseSearchIndexProvider(R.xml.all_tether_prefs) {
-
-                @Override
-                public List<String> getNonIndexableKeys(Context context) {
-                    final List<String> keys = super.getNonIndexableKeys(context);
-
-                    if (!TetherUtil.isTetherAvailable(context)) {
-                        keys.add(KEY_WIFI_TETHER_NETWORK_NAME);
-                        keys.add(KEY_WIFI_TETHER_NETWORK_PASSWORD);
-                        keys.add(KEY_WIFI_TETHER_AUTO_OFF);
-                        keys.add(KEY_WIFI_TETHER_NETWORK_AP_BAND);
-                        keys.add(KEY_WIFI_TETHER_SECURITY);
-                    }
-                    return keys;
-                }
-
-                @Override
-                protected boolean isPageSearchEnabled(Context context) {
-                    return FeatureFlagUtils.isEnabled(context, FeatureFlags.TETHER_ALL_IN_ONE);
-                }
-
-                @Override
-                public List<AbstractPreferenceController> createPreferenceControllers(
-                        Context context) {
-                    return buildPreferenceControllers(context, null /*listener*/);
-                }
-            };
-}
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 64e3244..68ae0ae 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -19,18 +19,15 @@
 import static android.provider.Settings.ACTION_PRIVACY_SETTINGS;
 
 import android.content.ActivityNotFoundException;
-import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
 import android.telephony.ims.ImsRcsManager;
 import android.text.TextUtils;
-import android.util.FeatureFlagUtils;
 import android.util.Log;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.settings.biometrics.face.FaceSettings;
 import com.android.settings.communal.CommunalPreferenceController;
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.enterprise.EnterprisePrivacySettings;
 import com.android.settings.network.MobileNetworkIntentConverter;
 import com.android.settings.overlay.FeatureFactory;
@@ -58,42 +55,8 @@
     public static class FingerprintSettingsActivityV2 extends SettingsActivity { /* empty */ }
     public static class CombinedBiometricSettingsActivity extends SettingsActivity { /* empty */ }
     public static class CombinedBiometricProfileSettingsActivity extends SettingsActivity { /* empty */ }
-    public static class TetherSettingsActivity extends SettingsActivity {
-        // TODO(b/147675042): Clean the override up when we enable the new Fragment persistently.
-        @Override
-        public Intent getIntent() {
-            return wrapIntentWithAllInOneTetherSettingsIfNeeded(
-                    getApplicationContext(), super.getIntent());
-        }
-    }
-    public static class WifiTetherSettingsActivity extends SettingsActivity {
-        // TODO(b/147675042): Clean the override up when we enable the new Fragment persistently.
-        @Override
-        public Intent getIntent() {
-            return wrapIntentWithAllInOneTetherSettingsIfNeeded(
-                    getApplicationContext(), super.getIntent());
-        }
-    }
-
-    private static Intent wrapIntentWithAllInOneTetherSettingsIfNeeded(
-            Context context, Intent superIntent) {
-        if (!FeatureFlagUtils.isEnabled(context, FeatureFlags.TETHER_ALL_IN_ONE)) {
-            return superIntent;
-        }
-
-        final Intent modIntent = new Intent(superIntent);
-        modIntent.putExtra(EXTRA_SHOW_FRAGMENT,
-                AllInOneTetherSettings.class.getCanonicalName());
-        Bundle args = superIntent.getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS);
-        if (args != null) {
-            args = new Bundle(args);
-        } else {
-            args = new Bundle();
-        }
-        args.putParcelable("intent", superIntent);
-        modIntent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args);
-        return modIntent;
-    }
+    public static class TetherSettingsActivity extends SettingsActivity { /* empty */ }
+    public static class WifiTetherSettingsActivity extends SettingsActivity { /* empty */ }
 
     public static class VpnSettingsActivity extends SettingsActivity { /* empty */ }
     /** Activity for Data saver settings. */
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index 554d23e..6d1d4e8 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -16,7 +16,6 @@
 
 package com.android.settings.core.gateway;
 
-import com.android.settings.AllInOneTetherSettings;
 import com.android.settings.DisplaySettings;
 import com.android.settings.IccLockSettings;
 import com.android.settings.MainClear;
@@ -205,7 +204,6 @@
             WifiNetworkDetailsFragment.class.getName(),
             ConfigureWifiSettings.class.getName(),
             SavedAccessPointsWifiSettings2.class.getName(),
-            AllInOneTetherSettings.class.getName(),
             TetherSettings.class.getName(),
             SmartAutoRotatePreferenceFragment.class.getName(),
             WifiP2pSettings.class.getName(),
diff --git a/src/com/android/settings/network/AllInOneTetherPreferenceController.java b/src/com/android/settings/network/AllInOneTetherPreferenceController.java
deleted file mode 100644
index 7baa917..0000000
--- a/src/com/android/settings/network/AllInOneTetherPreferenceController.java
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- * Copyright (C) 2020 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 com.android.settings.network;
-
-import static android.os.UserManager.DISALLOW_CONFIG_TETHERING;
-
-import static com.android.settings.network.TetherEnabler.TETHERING_BLUETOOTH_ON;
-import static com.android.settings.network.TetherEnabler.TETHERING_ETHERNET_ON;
-import static com.android.settings.network.TetherEnabler.TETHERING_OFF;
-import static com.android.settings.network.TetherEnabler.TETHERING_USB_ON;
-import static com.android.settings.network.TetherEnabler.TETHERING_WIFI_ON;
-import static com.android.settingslib.RestrictedLockUtilsInternal.checkIfRestrictionEnforced;
-
-import android.bluetooth.BluetoothAdapter;
-import android.bluetooth.BluetoothPan;
-import android.bluetooth.BluetoothProfile;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.os.UserHandle;
-import android.text.TextUtils;
-import android.util.FeatureFlagUtils;
-import android.util.Log;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.lifecycle.Lifecycle;
-import androidx.lifecycle.Lifecycle.Event;
-import androidx.lifecycle.LifecycleObserver;
-import androidx.lifecycle.OnLifecycleEvent;
-import androidx.preference.PreferenceScreen;
-
-import com.android.settings.R;
-import com.android.settings.core.BasePreferenceController;
-import com.android.settings.core.FeatureFlags;
-import com.android.settings.widget.GenericSwitchController;
-import com.android.settingslib.PrimarySwitchPreference;
-import com.android.settingslib.TetherUtil;
-
-import java.util.concurrent.atomic.AtomicReference;
-
-/**
- * This controller helps to manage the switch state and visibility of "Hotspot & tethering" switch
- * preference. It updates the preference summary text based on tethering state.
- */
-public class AllInOneTetherPreferenceController extends BasePreferenceController implements
-        LifecycleObserver, TetherEnabler.OnTetherStateUpdateListener {
-    private static final String TAG = "AllInOneTetherPreferenceController";
-
-    private int mTetheringState;
-
-    private final boolean mAdminDisallowedTetherConfig;
-    private final AtomicReference<BluetoothPan> mBluetoothPan;
-    private final BluetoothAdapter mBluetoothAdapter;
-    @VisibleForTesting
-    final BluetoothProfile.ServiceListener mBtProfileServiceListener =
-            new BluetoothProfile.ServiceListener() {
-                @Override
-                public void onServiceConnected(int profile, BluetoothProfile proxy) {
-                    if (mBluetoothPan.get() == null) {
-                        mBluetoothPan.set((BluetoothPan) proxy);
-                    }
-                }
-
-                @Override
-                public void onServiceDisconnected(int profile) { /* Do nothing */ }
-            };
-
-    private PrimarySwitchPreference mPreference;
-    private TetherEnabler mTetherEnabler;
-    private BroadcastReceiver mBluetoothStateReceiver;
-
-    @VisibleForTesting(otherwise = VisibleForTesting.NONE)
-    AllInOneTetherPreferenceController() {
-        super(null /*context*/, "test");
-        mAdminDisallowedTetherConfig = false;
-        mBluetoothPan = new AtomicReference<>();
-        mBluetoothAdapter = null;
-    }
-
-    public AllInOneTetherPreferenceController(Context context, String key) {
-        super(context, key);
-        mBluetoothPan = new AtomicReference<>();
-        mAdminDisallowedTetherConfig = checkIfRestrictionEnforced(
-                context, DISALLOW_CONFIG_TETHERING, UserHandle.myUserId()) != null;
-        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        mPreference = screen.findPreference(mPreferenceKey);
-    }
-
-    @Override
-    public int getAvailabilityStatus() {
-        if (!TetherUtil.isTetherAvailable(mContext)
-                || !FeatureFlagUtils.isEnabled(mContext, FeatureFlags.TETHER_ALL_IN_ONE)) {
-            return CONDITIONALLY_UNAVAILABLE;
-        } else {
-            return AVAILABLE;
-        }
-    }
-
-    @Override
-    public CharSequence getSummary() {
-        switch (mTetheringState) {
-            case TETHERING_OFF:
-                return mContext.getString(R.string.tether_settings_summary_off);
-            case TETHERING_WIFI_ON:
-                return mContext.getString(R.string.tether_settings_summary_hotspot_only);
-            case TETHERING_USB_ON:
-                return mContext.getString(R.string.tether_settings_summary_usb_tethering_only);
-            case TETHERING_BLUETOOTH_ON:
-                return mContext.getString(
-                        R.string.tether_settings_summary_bluetooth_tethering_only);
-            case TETHERING_ETHERNET_ON:
-                return mContext.getString(R.string.tether_settings_summary_ethernet_tethering_only);
-            case TETHERING_WIFI_ON | TETHERING_USB_ON:
-                return mContext.getString(R.string.tether_settings_summary_hotspot_and_usb);
-            case TETHERING_WIFI_ON | TETHERING_BLUETOOTH_ON:
-                return mContext.getString(R.string.tether_settings_summary_hotspot_and_bluetooth);
-            case TETHERING_WIFI_ON | TETHERING_ETHERNET_ON:
-                return mContext.getString(R.string.tether_settings_summary_hotspot_and_ethernet);
-            case TETHERING_USB_ON | TETHERING_BLUETOOTH_ON:
-                return mContext.getString(R.string.tether_settings_summary_usb_and_bluetooth);
-            case TETHERING_USB_ON | TETHERING_ETHERNET_ON:
-                return mContext.getString(R.string.tether_settings_summary_usb_and_ethernet);
-            case TETHERING_BLUETOOTH_ON | TETHERING_ETHERNET_ON:
-                return mContext.getString(R.string.tether_settings_summary_bluetooth_and_ethernet);
-            case TETHERING_WIFI_ON | TETHERING_USB_ON | TETHERING_BLUETOOTH_ON:
-                return mContext.getString(
-                        R.string.tether_settings_summary_hotspot_and_usb_and_bluetooth);
-            case TETHERING_WIFI_ON | TETHERING_USB_ON | TETHERING_ETHERNET_ON:
-                return mContext.getString(
-                        R.string.tether_settings_summary_hotspot_and_usb_and_ethernet);
-            case TETHERING_WIFI_ON | TETHERING_BLUETOOTH_ON | TETHERING_ETHERNET_ON:
-                return mContext.getString(
-                        R.string.tether_settings_summary_hotspot_and_bluetooth_and_ethernet);
-            case TETHERING_USB_ON | TETHERING_BLUETOOTH_ON | TETHERING_ETHERNET_ON:
-                return mContext.getString(
-                        R.string.tether_settings_summary_usb_and_bluetooth_and_ethernet);
-            case TETHERING_WIFI_ON | TETHERING_USB_ON | TETHERING_BLUETOOTH_ON
-                    | TETHERING_ETHERNET_ON:
-                return mContext.getString(R.string.tether_settings_summary_all);
-            default:
-                Log.e(TAG, "Unknown tethering state");
-                return mContext.getString(R.string.summary_placeholder);
-        }
-    }
-
-    @OnLifecycleEvent(Event.ON_CREATE)
-    public void onCreate() {
-        if (mBluetoothAdapter != null
-                && mBluetoothAdapter.getState() == BluetoothAdapter.STATE_ON) {
-            mBluetoothAdapter.getProfileProxy(mContext, mBtProfileServiceListener,
-                        BluetoothProfile.PAN);
-        }
-        if (mBluetoothStateReceiver == null) {
-            mBluetoothStateReceiver = new BluetoothStateReceiver();
-            mContext.registerReceiver(
-                    mBluetoothStateReceiver,
-                            new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
-        }
-    }
-
-    @OnLifecycleEvent(Event.ON_RESUME)
-    public void onResume() {
-        if (mTetherEnabler != null) {
-            mTetherEnabler.addListener(this);
-        }
-    }
-
-    @OnLifecycleEvent(Event.ON_PAUSE)
-    public void onPause() {
-        if (mTetherEnabler != null) {
-            mTetherEnabler.removeListener(this);
-        }
-    }
-
-    @OnLifecycleEvent(Event.ON_DESTROY)
-    public void onDestroy() {
-        final BluetoothProfile profile = mBluetoothPan.getAndSet(null);
-        if (profile != null && mBluetoothAdapter != null) {
-            mBluetoothAdapter.closeProfileProxy(BluetoothProfile.PAN, profile);
-        }
-        if (mBluetoothStateReceiver != null) {
-            mContext.unregisterReceiver(mBluetoothStateReceiver);
-            mBluetoothStateReceiver = null;
-        }
-    }
-
-    void initEnabler(Lifecycle lifecycle) {
-        if (mPreference != null) {
-            mTetherEnabler = new TetherEnabler(
-                    mContext, new GenericSwitchController(mPreference), mBluetoothPan);
-            if (lifecycle != null) {
-                lifecycle.addObserver(mTetherEnabler);
-            }
-        } else {
-            Log.e(TAG, "TetherEnabler is not initialized");
-        }
-    }
-
-    @Override
-    public void onTetherStateUpdated(@TetherEnabler.TetheringState int state) {
-        mTetheringState = state;
-        updateState(mPreference);
-    }
-
-    private class BluetoothStateReceiver extends BroadcastReceiver {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            final String action = intent.getAction();
-            Log.i(TAG, "onReceive: action: " + action);
-
-            if (TextUtils.equals(action, BluetoothAdapter.ACTION_STATE_CHANGED)) {
-                final int state =
-                        intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
-                Log.i(TAG, "onReceive: state: " + BluetoothAdapter.nameForState(state));
-                final BluetoothProfile profile = mBluetoothPan.get();
-                switch(state) {
-                    case BluetoothAdapter.STATE_ON:
-                        if (profile == null && mBluetoothAdapter != null) {
-                            mBluetoothAdapter.getProfileProxy(mContext, mBtProfileServiceListener,
-                                    BluetoothProfile.PAN);
-                        }
-                        break;
-                }
-            }
-        }
-    }
-}
diff --git a/src/com/android/settings/network/BluetoothTetherPreferenceController.java b/src/com/android/settings/network/BluetoothTetherPreferenceController.java
deleted file mode 100644
index 96d39e3..0000000
--- a/src/com/android/settings/network/BluetoothTetherPreferenceController.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright (C) 2019 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 com.android.settings.network;
-
-import android.bluetooth.BluetoothAdapter;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.net.ConnectivityManager;
-import android.text.TextUtils;
-
-import androidx.lifecycle.Lifecycle;
-import androidx.lifecycle.OnLifecycleEvent;
-
-import com.google.common.annotations.VisibleForTesting;
-
-/**
- * This controller helps to manage the switch state and visibility of bluetooth tether switch
- * preference.
- */
-public final class BluetoothTetherPreferenceController extends TetherBasePreferenceController {
-    private int mBluetoothState;
-
-    public BluetoothTetherPreferenceController(Context context, String preferenceKey) {
-        super(context, preferenceKey);
-    }
-
-    @OnLifecycleEvent(Lifecycle.Event.ON_START)
-    public void onStart() {
-        mBluetoothState = BluetoothAdapter.getDefaultAdapter().getState();
-        mContext.registerReceiver(mBluetoothChangeReceiver,
-                new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
-    }
-
-    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
-    public void onStop() {
-        mContext.unregisterReceiver(mBluetoothChangeReceiver);
-    }
-
-    @Override
-    public boolean shouldEnable() {
-        switch (mBluetoothState) {
-            case BluetoothAdapter.STATE_ON:
-            case BluetoothAdapter.STATE_OFF:
-                // fall through.
-            case BluetoothAdapter.ERROR:
-                return true;
-            case BluetoothAdapter.STATE_TURNING_OFF:
-            case BluetoothAdapter.STATE_TURNING_ON:
-                // fall through.
-            default:
-                return false;
-        }
-    }
-
-    @Override
-    public boolean shouldShow() {
-        final String[] bluetoothRegexs = mTm.getTetherableBluetoothRegexs();
-        return bluetoothRegexs != null && bluetoothRegexs.length != 0;
-    }
-
-    @Override
-    public int getTetherType() {
-        return ConnectivityManager.TETHERING_BLUETOOTH;
-    }
-
-    @VisibleForTesting
-    final BroadcastReceiver mBluetoothChangeReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            if (TextUtils.equals(BluetoothAdapter.ACTION_STATE_CHANGED, intent.getAction())) {
-                mBluetoothState =
-                        intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR);
-                updateState(mPreference);
-            }
-        }
-    };
-}
diff --git a/src/com/android/settings/network/EthernetTetherPreferenceController.java b/src/com/android/settings/network/EthernetTetherPreferenceController.java
deleted file mode 100644
index 2fd92f3..0000000
--- a/src/com/android/settings/network/EthernetTetherPreferenceController.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (C) 2020 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 com.android.settings.network;
-
-import android.content.Context;
-import android.net.EthernetManager;
-import android.net.TetheringManager;
-import android.os.Handler;
-import android.os.Looper;
-
-import androidx.lifecycle.Lifecycle;
-import androidx.lifecycle.OnLifecycleEvent;
-
-import com.android.internal.annotations.VisibleForTesting;
-import com.android.settings.Utils;
-import com.android.settingslib.utils.ThreadUtils;
-
-import java.util.HashSet;
-
-/**
- * This controller helps to manage the switch state and visibility of ethernet tether switch
- * preference.
- */
-public final class EthernetTetherPreferenceController extends TetherBasePreferenceController {
-
-    private final HashSet<String> mAvailableInterfaces = new HashSet<>();
-    private final EthernetManager mEthernetManager;
-
-    @VisibleForTesting
-    EthernetManager.InterfaceStateListener mEthernetListener;
-
-    public EthernetTetherPreferenceController(Context context, String preferenceKey) {
-        super(context, preferenceKey);
-        mEthernetManager = context.getSystemService(EthernetManager.class);
-    }
-
-    @OnLifecycleEvent(Lifecycle.Event.ON_START)
-    public void onStart() {
-        mEthernetListener = (iface, state, role, configuration) -> {
-            if (state != EthernetManager.STATE_ABSENT) {
-                mAvailableInterfaces.add(iface);
-            } else {
-                mAvailableInterfaces.remove(iface);
-            }
-            updateState(mPreference);
-        };
-        final Handler handler = new Handler(Looper.getMainLooper());
-        // Executor will execute to post the updateState event to a new handler which is created
-        // from the main looper when the {@link EthernetManager.Listener.onAvailabilityChanged}
-        // is triggerd.
-        if (mEthernetManager != null) {
-            mEthernetManager.addInterfaceStateListener(r -> handler.post(r), mEthernetListener);
-        }
-    }
-
-    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
-    public void onStop() {
-        if (mEthernetManager != null) {
-            mEthernetManager.removeInterfaceStateListener(mEthernetListener);
-        }
-    }
-
-    @Override
-    public boolean shouldEnable() {
-        ThreadUtils.ensureMainThread();
-        String[] available = mTm.getTetherableIfaces();
-        for (String s : available) {
-            if (mAvailableInterfaces.contains(s)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    @Override
-    public boolean shouldShow() {
-        return mEthernetManager != null && !Utils.isMonkeyRunning();
-    }
-
-    @Override
-    public int getTetherType() {
-        return TetheringManager.TETHERING_ETHERNET;
-    }
-
-}
diff --git a/src/com/android/settings/network/NetworkDashboardFragment.java b/src/com/android/settings/network/NetworkDashboardFragment.java
index e79c1b2..e5d9242 100644
--- a/src/com/android/settings/network/NetworkDashboardFragment.java
+++ b/src/com/android/settings/network/NetworkDashboardFragment.java
@@ -18,7 +18,6 @@
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.Intent;
-import android.os.Bundle;
 
 import androidx.lifecycle.LifecycleOwner;
 
@@ -60,13 +59,6 @@
         super.onAttach(context);
 
         use(AirplaneModePreferenceController.class).setFragment(this);
-        getSettingsLifecycle().addObserver(use(AllInOneTetherPreferenceController.class));
-    }
-
-    @Override
-    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
-        super.onCreatePreferences(savedInstanceState, rootKey);
-        use(AllInOneTetherPreferenceController.class).initEnabler(getSettingsLifecycle());
     }
 
     @Override
diff --git a/src/com/android/settings/network/TetherBasePreferenceController.java b/src/com/android/settings/network/TetherBasePreferenceController.java
deleted file mode 100644
index b1627f2..0000000
--- a/src/com/android/settings/network/TetherBasePreferenceController.java
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (C) 2020 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 com.android.settings.network;
-
-import android.content.Context;
-import android.net.TetheringManager;
-
-import androidx.lifecycle.Lifecycle;
-import androidx.lifecycle.LifecycleObserver;
-import androidx.lifecycle.OnLifecycleEvent;
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-
-import com.android.settings.R;
-import com.android.settings.core.TogglePreferenceController;
-import com.android.settings.datausage.DataSaverBackend;
-
-public abstract class TetherBasePreferenceController extends TogglePreferenceController
-        implements LifecycleObserver,  DataSaverBackend.Listener,
-        TetherEnabler.OnTetherStateUpdateListener {
-
-    private static final String TAG = "TetherBasePreferenceController";
-    final TetheringManager mTm;
-    private final DataSaverBackend mDataSaverBackend;
-
-    private TetherEnabler mTetherEnabler;
-    Preference mPreference;
-    private boolean mDataSaverEnabled;
-    int mTetheringState;
-
-    TetherBasePreferenceController(Context context, String preferenceKey) {
-        super(context, preferenceKey);
-        mTm = context.getSystemService(TetheringManager.class);
-        mDataSaverBackend = new DataSaverBackend(context);
-        mDataSaverEnabled = mDataSaverBackend.isDataSaverEnabled();
-    }
-
-    /**
-     * Set TetherEnabler for the controller. Call this method to initialize the controller.
-     * @param tetherEnabler The tetherEnabler to set for the controller.
-     */
-    public void setTetherEnabler(TetherEnabler tetherEnabler) {
-        mTetherEnabler = tetherEnabler;
-    }
-
-    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
-    public void onResume() {
-        // Must call setEnabler() before
-        if (mTetherEnabler != null) {
-            mTetherEnabler.addListener(this);
-        }
-        mDataSaverBackend.addListener(this);
-    }
-
-    @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
-    public void onPause() {
-        if (mTetherEnabler != null) {
-            mTetherEnabler.removeListener(this);
-        }
-        mDataSaverBackend.remListener(this);
-    }
-
-    @Override
-    public boolean isChecked() {
-        return TetherEnabler.isTethering(mTetheringState, getTetherType());
-    }
-
-    @Override
-    public boolean setChecked(boolean isChecked) {
-        if (mTetherEnabler == null) {
-            return false;
-        }
-        if (isChecked) {
-            mTetherEnabler.startTethering(getTetherType());
-        } else {
-            mTetherEnabler.stopTethering(getTetherType());
-        }
-        return true;
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        mPreference = screen.findPreference(mPreferenceKey);
-    }
-
-    @Override
-    public void updateState(Preference preference) {
-        super.updateState(preference);
-        if (isAvailable()) {
-            preference.setEnabled(getAvailabilityStatus() != DISABLED_DEPENDENT_SETTING);
-        }
-    }
-
-    @Override
-    public int getAvailabilityStatus() {
-        if (!shouldShow()) {
-            return CONDITIONALLY_UNAVAILABLE;
-        }
-
-        if (mDataSaverEnabled || !shouldEnable()) {
-            return DISABLED_DEPENDENT_SETTING;
-        }
-        return AVAILABLE;
-    }
-
-    @Override
-    public int getSliceHighlightMenuRes() {
-        return R.string.menu_key_network;
-    }
-
-    @Override
-    public void onTetherStateUpdated(@TetherEnabler.TetheringState int state) {
-        mTetheringState = state;
-        updateState(mPreference);
-    }
-
-    @Override
-    public void onDataSaverChanged(boolean isDataSaving) {
-        mDataSaverEnabled = isDataSaving;
-    }
-
-    @Override
-    public void onAllowlistStatusChanged(int uid, boolean isAllowlisted) {
-    }
-
-    @Override
-    public void onDenylistStatusChanged(int uid, boolean isDenylisted) {
-    }
-
-    /**
-     * Used to enable or disable the preference.
-     * @return true if the preference should be enabled; false otherwise.
-     */
-    public abstract boolean shouldEnable();
-
-    /**
-     * Used to determine visibility of the preference.
-     * @return true if the preference should be visible; false otherwise.
-     */
-    public abstract boolean shouldShow();
-
-    /**
-     * Get the type of tether interface that is controlled by the preference.
-     * @return the tether interface, like {@link ConnectivityManager#TETHERING_WIFI}
-     */
-    public abstract int getTetherType();
-}
diff --git a/src/com/android/settings/network/TetherPreferenceController.kt b/src/com/android/settings/network/TetherPreferenceController.kt
index 8f55f50..c36a2382 100644
--- a/src/com/android/settings/network/TetherPreferenceController.kt
+++ b/src/com/android/settings/network/TetherPreferenceController.kt
@@ -20,7 +20,6 @@
 import android.net.TetheringManager
 import android.os.UserHandle
 import android.os.UserManager
-import android.util.FeatureFlagUtils
 import androidx.annotation.StringRes
 import androidx.annotation.VisibleForTesting
 import androidx.lifecycle.Lifecycle
@@ -31,7 +30,6 @@
 import androidx.preference.PreferenceScreen
 import com.android.settings.R
 import com.android.settings.core.BasePreferenceController
-import com.android.settings.core.FeatureFlags
 import com.android.settingslib.RestrictedLockUtilsInternal
 import com.android.settingslib.TetherUtil
 import com.android.settingslib.Utils
@@ -49,13 +47,7 @@
     private var preference: Preference? = null
 
     override fun getAvailabilityStatus() =
-        if (TetherUtil.isTetherAvailable(mContext)
-            && !FeatureFlagUtils.isEnabled(mContext, FeatureFlags.TETHER_ALL_IN_ONE)
-        ) {
-            AVAILABLE
-        } else {
-            CONDITIONALLY_UNAVAILABLE
-        }
+        if (TetherUtil.isTetherAvailable(mContext)) AVAILABLE else CONDITIONALLY_UNAVAILABLE
 
     override fun displayPreference(screen: PreferenceScreen) {
         super.displayPreference(screen)
diff --git a/src/com/android/settings/network/UsbTetherPreferenceController.java b/src/com/android/settings/network/UsbTetherPreferenceController.java
deleted file mode 100644
index 7a5cc21..0000000
--- a/src/com/android/settings/network/UsbTetherPreferenceController.java
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Copyright (C) 2019 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 com.android.settings.network;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.hardware.usb.UsbManager;
-import android.net.ConnectivityManager;
-import android.os.Environment;
-import android.text.TextUtils;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.lifecycle.Lifecycle;
-import androidx.lifecycle.OnLifecycleEvent;
-
-import com.android.settings.Utils;
-
-/**
- * This controller helps to manage the switch state and visibility of USB tether switch
- * preference.
- *
- */
-public final class UsbTetherPreferenceController extends TetherBasePreferenceController {
-
-    private static final String TAG = "UsbTetherPrefController";
-
-    private boolean mUsbConnected;
-    private boolean mMassStorageActive;
-
-    public UsbTetherPreferenceController(Context context, String prefKey) {
-        super(context, prefKey);
-    }
-
-    @OnLifecycleEvent(Lifecycle.Event.ON_START)
-    public void onStart() {
-        mMassStorageActive = Environment.MEDIA_SHARED.equals(Environment.getExternalStorageState());
-        IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_STATE);
-        filter.addAction(Intent.ACTION_MEDIA_SHARED);
-        filter.addAction(Intent.ACTION_MEDIA_UNSHARED);
-        mContext.registerReceiver(mUsbChangeReceiver, filter);
-    }
-
-    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
-    public void onStop() {
-        mContext.unregisterReceiver(mUsbChangeReceiver);
-    }
-
-    @Override
-    public boolean shouldEnable() {
-        return mUsbConnected && !mMassStorageActive;
-    }
-
-    @Override
-    public boolean shouldShow() {
-        String[] usbRegexs = mTm.getTetherableUsbRegexs();
-        return  usbRegexs != null && usbRegexs.length != 0 && !Utils.isMonkeyRunning();
-    }
-
-    @Override
-    public int getTetherType() {
-        return ConnectivityManager.TETHERING_USB;
-    }
-
-    @VisibleForTesting
-    final BroadcastReceiver mUsbChangeReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            String action = intent.getAction();
-            if (TextUtils.equals(Intent.ACTION_MEDIA_SHARED, action)) {
-                mMassStorageActive = true;
-            } else if (TextUtils.equals(Intent.ACTION_MEDIA_UNSHARED, action)) {
-                mMassStorageActive = false;
-            } else if (TextUtils.equals(UsbManager.ACTION_USB_STATE, action)) {
-                mUsbConnected = intent.getBooleanExtra(UsbManager.USB_CONNECTED, false);
-            }
-            updateState(mPreference);
-        }
-    };
-}
diff --git a/src/com/android/settings/network/WifiTetherDisablePreferenceController.java b/src/com/android/settings/network/WifiTetherDisablePreferenceController.java
deleted file mode 100644
index 783f78f..0000000
--- a/src/com/android/settings/network/WifiTetherDisablePreferenceController.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (C) 2019 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 com.android.settings.network;
-
-import static com.android.settings.network.TetherEnabler.TETHERING_BLUETOOTH_ON;
-import static com.android.settings.network.TetherEnabler.TETHERING_ETHERNET_ON;
-import static com.android.settings.network.TetherEnabler.TETHERING_USB_ON;
-import static com.android.settings.network.TetherEnabler.TETHERING_WIFI_ON;
-
-import android.content.Context;
-import android.net.ConnectivityManager;
-
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-
-import com.android.settings.R;
-import com.android.settings.Utils;
-
-/**
- * This controller helps to manage the switch state and visibility of wifi tether disable switch
- * preference. When the preference checked, wifi tether will be disabled.
- *
- * @see BluetoothTetherPreferenceController
- * @see UsbTetherPreferenceController
- */
-public final class WifiTetherDisablePreferenceController extends TetherBasePreferenceController {
-
-    private static final String TAG = "WifiTetherDisablePreferenceController";
-
-    private PreferenceScreen mScreen;
-
-    public WifiTetherDisablePreferenceController(Context context, String prefKey) {
-        super(context, prefKey);
-    }
-
-    @Override
-    public boolean isChecked() {
-        return !super.isChecked();
-    }
-
-    @Override
-    public boolean setChecked(boolean isChecked) {
-        return super.setChecked(!isChecked);
-    }
-
-    private int getTetheringStateOfOtherInterfaces() {
-        return mTetheringState & (~TETHERING_WIFI_ON);
-    }
-
-    @Override
-    public boolean shouldEnable() {
-        return true;
-    }
-
-    @Override
-    public boolean shouldShow() {
-        final String[] wifiRegexs = mTm.getTetherableWifiRegexs();
-        return wifiRegexs != null && wifiRegexs.length != 0 && !Utils.isMonkeyRunning()
-                && getTetheringStateOfOtherInterfaces() != TetherEnabler.TETHERING_OFF;
-    }
-
-    @Override
-    public int getTetherType() {
-        return ConnectivityManager.TETHERING_WIFI;
-    }
-
-    @Override
-    public CharSequence getSummary() {
-        switch (getTetheringStateOfOtherInterfaces()) {
-            case TETHERING_USB_ON:
-                return mContext.getString(R.string.disable_wifi_hotspot_when_usb_on);
-            case TETHERING_BLUETOOTH_ON:
-                return mContext.getString(R.string.disable_wifi_hotspot_when_bluetooth_on);
-            case TETHERING_ETHERNET_ON:
-                return mContext.getString(R.string.disable_wifi_hotspot_when_ethernet_on);
-            case TETHERING_USB_ON | TETHERING_BLUETOOTH_ON:
-                return mContext.getString(R.string.disable_wifi_hotspot_when_usb_and_bluetooth_on);
-            case TETHERING_USB_ON | TETHERING_ETHERNET_ON:
-                return mContext.getString(R.string.disable_wifi_hotspot_when_usb_and_ethernet_on);
-            case TETHERING_BLUETOOTH_ON | TETHERING_ETHERNET_ON:
-                return mContext.getString(
-                        R.string.disable_wifi_hotspot_when_bluetooth_and_ethernet_on);
-            case TETHERING_USB_ON | TETHERING_BLUETOOTH_ON | TETHERING_ETHERNET_ON:
-                return mContext.getString(
-                        R.string.disable_wifi_hotspot_when_usb_and_bluetooth_and_ethernet_on);
-            default:
-                return mContext.getString(R.string.summary_placeholder);
-        }
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        mScreen = screen;
-        if (mPreference != null) {
-            mPreference.setOnPreferenceChangeListener(this);
-        }
-    }
-
-    @Override
-    public void updateState(Preference preference) {
-        super.updateState(preference);
-        preference.setVisible(isAvailable());
-        refreshSummary(preference);
-    }
-}
diff --git a/src/com/android/settings/network/tether/TetherSettings.java b/src/com/android/settings/network/tether/TetherSettings.java
index 46cfb55..77ef4b6 100644
--- a/src/com/android/settings/network/tether/TetherSettings.java
+++ b/src/com/android/settings/network/tether/TetherSettings.java
@@ -45,7 +45,6 @@
 import android.os.UserManager;
 import android.provider.SearchIndexableResource;
 import android.text.TextUtils;
-import android.util.FeatureFlagUtils;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
@@ -57,7 +56,6 @@
 import com.android.settings.R;
 import com.android.settings.RestrictedSettingsFragment;
 import com.android.settings.Utils;
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.datausage.DataSaverBackend;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.wifi.tether.WifiTetherPreferenceController;
@@ -630,11 +628,6 @@
                 }
 
                 @Override
-                protected boolean isPageSearchEnabled(Context context) {
-                    return !FeatureFlagUtils.isEnabled(context, FeatureFlags.TETHER_ALL_IN_ONE);
-                }
-
-                @Override
                 public List<String> getNonIndexableKeys(Context context) {
                     final List<String> keys = super.getNonIndexableKeys(context);
                     final TetheringManager tm =
diff --git a/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java
deleted file mode 100644
index 8a4be10..0000000
--- a/src/com/android/settings/wifi/tether/WifiTetherApBandPreferenceController.java
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (C) 2017 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 com.android.settings.wifi.tether;
-
-import static com.android.settings.AllInOneTetherSettings.DEDUP_POSTFIX;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.net.wifi.SoftApConfiguration;
-import android.util.FeatureFlagUtils;
-import android.util.Log;
-
-import androidx.annotation.VisibleForTesting;
-import androidx.preference.ListPreference;
-import androidx.preference.Preference;
-
-import com.android.settings.R;
-import com.android.settings.core.FeatureFlags;
-
-public class WifiTetherApBandPreferenceController extends WifiTetherBasePreferenceController {
-
-    private static final String TAG = "WifiTetherApBandPref";
-    private static final String PREF_KEY = "wifi_tether_network_ap_band";
-
-    private String[] mBandEntries;
-    private String[] mBandSummaries;
-    private int mBandIndex;
-
-    public WifiTetherApBandPreferenceController(Context context,
-            OnTetherConfigUpdateListener listener) {
-        super(context, listener);
-        updatePreferenceEntries();
-    }
-
-    @Override
-    public void updateDisplay() {
-        final SoftApConfiguration config = mWifiManager.getSoftApConfiguration();
-        if (config == null) {
-            mBandIndex = SoftApConfiguration.BAND_2GHZ;
-            Log.d(TAG, "Updating band index to BAND_2GHZ because no config");
-        } else if (is5GhzBandSupported()) {
-            mBandIndex = validateSelection(config.getBand());
-            Log.d(TAG, "Updating band index to " + mBandIndex);
-        } else {
-            mWifiManager.setSoftApConfiguration(
-                    new SoftApConfiguration.Builder(config).setBand(SoftApConfiguration.BAND_2GHZ)
-                        .build());
-            mBandIndex = SoftApConfiguration.BAND_2GHZ;
-            Log.d(TAG, "5Ghz not supported, updating band index to 2GHz");
-        }
-        ListPreference preference =
-                (ListPreference) mPreference;
-        preference.setEntries(mBandSummaries);
-        preference.setEntryValues(mBandEntries);
-
-        if (!is5GhzBandSupported()) {
-            preference.setEnabled(false);
-            preference.setSummary(R.string.wifi_ap_choose_2G);
-        } else {
-            preference.setValue(Integer.toString(config.getBand()));
-            preference.setSummary(getConfigSummary());
-        }
-    }
-
-    String getConfigSummary() {
-        switch (mBandIndex) {
-            case SoftApConfiguration.BAND_2GHZ:
-                return mBandSummaries[0];
-            case SoftApConfiguration.BAND_5GHZ:
-                return mBandSummaries[1];
-            default:
-                return mContext.getString(R.string.wifi_ap_prefer_5G);
-        }
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return FeatureFlagUtils.isEnabled(mContext, FeatureFlags.TETHER_ALL_IN_ONE)
-                ? PREF_KEY + DEDUP_POSTFIX : PREF_KEY;
-    }
-
-    @Override
-    public boolean onPreferenceChange(Preference preference, Object newValue) {
-        mBandIndex = validateSelection(Integer.parseInt((String) newValue));
-        Log.d(TAG, "Band preference changed, updating band index to " + mBandIndex);
-        preference.setSummary(getConfigSummary());
-        mListener.onTetherConfigUpdated(this);
-        return true;
-    }
-
-    private int validateSelection(int band) {
-        // unsupported states:
-        // 1: BAND_5GHZ only - include 2GHZ since some of countries doesn't support 5G hotspot
-        // 2: no 5 GHZ support means we can't have BAND_5GHZ - default to 2GHZ
-        if (SoftApConfiguration.BAND_5GHZ == band) {
-            if (!is5GhzBandSupported()) {
-                return SoftApConfiguration.BAND_2GHZ;
-            }
-            return SoftApConfiguration.BAND_5GHZ | SoftApConfiguration.BAND_2GHZ;
-        }
-
-        return band;
-    }
-
-    @VisibleForTesting
-    void updatePreferenceEntries() {
-        Resources res = mContext.getResources();
-        int entriesRes = R.array.wifi_ap_band;
-        int summariesRes = R.array.wifi_ap_band_summary;
-        mBandEntries = res.getStringArray(entriesRes);
-        mBandSummaries = res.getStringArray(summariesRes);
-    }
-
-    private boolean is5GhzBandSupported() {
-        final String countryCode = mWifiManager.getCountryCode();
-        if (!mWifiManager.is5GHzBandSupported() || countryCode == null) {
-            return false;
-        }
-        return true;
-    }
-
-    public int getBandIndex() {
-        return mBandIndex;
-    }
-}
diff --git a/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java
index 7d0a86b..d61b3d0 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherPasswordPreferenceController.java
@@ -16,20 +16,16 @@
 
 package com.android.settings.wifi.tether;
 
-import static com.android.settings.AllInOneTetherSettings.DEDUP_POSTFIX;
-
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.net.wifi.SoftApConfiguration;
 import android.text.TextUtils;
-import android.util.FeatureFlagUtils;
 
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.EditTextPreference;
 import androidx.preference.Preference;
 
 import com.android.settings.R;
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.widget.ValidatedEditTextPreference;
 import com.android.settings.wifi.WifiUtils;
@@ -68,8 +64,7 @@
 
     @Override
     public String getPreferenceKey() {
-        return FeatureFlagUtils.isEnabled(mContext, FeatureFlags.TETHER_ALL_IN_ONE)
-                ? PREF_KEY + DEDUP_POSTFIX : PREF_KEY;
+        return PREF_KEY;
     }
 
     @Override
diff --git a/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java
index 1e415b3..1bcff1e 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSSIDPreferenceController.java
@@ -16,21 +16,17 @@
 
 package com.android.settings.wifi.tether;
 
-import static com.android.settings.AllInOneTetherSettings.DEDUP_POSTFIX;
-
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.Intent;
 import android.net.wifi.SoftApConfiguration;
 import android.text.TextUtils;
-import android.util.FeatureFlagUtils;
 import android.util.Log;
 
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.EditTextPreference;
 import androidx.preference.Preference;
 
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.widget.ValidatedEditTextPreference;
 import com.android.settings.wifi.dpp.WifiDppUtils;
@@ -68,8 +64,7 @@
 
     @Override
     public String getPreferenceKey() {
-        return FeatureFlagUtils.isEnabled(mContext, FeatureFlags.TETHER_ALL_IN_ONE)
-                ? PREF_KEY + DEDUP_POSTFIX : PREF_KEY;
+        return PREF_KEY;
     }
 
     @Override
diff --git a/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java b/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java
index 79a97ae..41b6dd9 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSecurityPreferenceController.java
@@ -16,14 +16,11 @@
 
 package com.android.settings.wifi.tether;
 
-import static com.android.settings.AllInOneTetherSettings.DEDUP_POSTFIX;
-
 import android.annotation.NonNull;
 import android.content.Context;
 import android.net.wifi.SoftApCapability;
 import android.net.wifi.SoftApConfiguration;
 import android.net.wifi.WifiManager;
-import android.util.FeatureFlagUtils;
 import android.util.Log;
 
 import androidx.annotation.VisibleForTesting;
@@ -31,7 +28,6 @@
 import androidx.preference.Preference;
 
 import com.android.settings.R;
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.overlay.FeatureFactory;
 
 import java.util.LinkedHashMap;
@@ -82,8 +78,7 @@
 
     @Override
     public String getPreferenceKey() {
-        return FeatureFlagUtils.isEnabled(mContext, FeatureFlags.TETHER_ALL_IN_ONE)
-                ? PREF_KEY + DEDUP_POSTFIX : PREF_KEY;
+        return PREF_KEY;
     }
 
     @Override
diff --git a/src/com/android/settings/wifi/tether/WifiTetherSettings.java b/src/com/android/settings/wifi/tether/WifiTetherSettings.java
index df31f49..bad29eb 100644
--- a/src/com/android/settings/wifi/tether/WifiTetherSettings.java
+++ b/src/com/android/settings/wifi/tether/WifiTetherSettings.java
@@ -30,7 +30,6 @@
 import android.net.wifi.SoftApConfiguration;
 import android.os.Bundle;
 import android.os.UserManager;
-import android.util.FeatureFlagUtils;
 import android.util.Log;
 
 import androidx.annotation.Nullable;
@@ -39,7 +38,6 @@
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
-import com.android.settings.core.FeatureFlags;
 import com.android.settings.dashboard.RestrictedDashboardFragment;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
@@ -387,10 +385,7 @@
             if (userManager == null || !userManager.isAdminUser()) {
                 return false;
             }
-            if (!WifiUtils.canShowWifiHotspot(context)) {
-                return false;
-            }
-            return !FeatureFlagUtils.isEnabled(context, FeatureFlags.TETHER_ALL_IN_ONE);
+            return WifiUtils.canShowWifiHotspot(context);
         }
 
         @Override