diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt b/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt
index 11ffde6257984..0e9f1cda73fea 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/init/NotificationsControllerImpl.kt
@@ -23,31 +23,22 @@ import com.android.systemui.plugins.statusbar.NotificationSwipeActionHelper.Snoo
 import com.android.systemui.statusbar.NotificationListener
 import com.android.systemui.statusbar.NotificationPresenter
 import com.android.systemui.statusbar.notification.AnimatedImageNotificationManager
-import com.android.systemui.statusbar.notification.NotifPipelineFlags
 import com.android.systemui.statusbar.notification.NotificationActivityStarter
 import com.android.systemui.statusbar.notification.NotificationClicker
 import com.android.systemui.statusbar.notification.NotificationEntryManager
 import com.android.systemui.statusbar.notification.NotificationListController
 import com.android.systemui.statusbar.notification.collection.NotifLiveDataStore
 import com.android.systemui.statusbar.notification.collection.NotifPipeline
-import com.android.systemui.statusbar.notification.collection.NotificationRankingManager
 import com.android.systemui.statusbar.notification.collection.TargetSdkResolver
-import com.android.systemui.statusbar.notification.collection.inflation.BindEventManagerImpl
 import com.android.systemui.statusbar.notification.collection.inflation.NotificationRowBinderImpl
 import com.android.systemui.statusbar.notification.collection.init.NotifPipelineInitializer
-import com.android.systemui.statusbar.notification.collection.legacy.NotificationGroupManagerLegacy
 import com.android.systemui.statusbar.notification.collection.notifcollection.CommonNotifCollection
-import com.android.systemui.statusbar.notification.collection.provider.DebugModeFilterProvider
 import com.android.systemui.statusbar.notification.collection.render.NotifStackController
-import com.android.systemui.statusbar.notification.interruption.HeadsUpController
 import com.android.systemui.statusbar.notification.interruption.HeadsUpViewBinder
 import com.android.systemui.statusbar.notification.row.NotifBindPipelineInitializer
 import com.android.systemui.statusbar.notification.stack.NotificationListContainer
 import com.android.systemui.statusbar.phone.CentralSurfaces
-import com.android.systemui.statusbar.phone.NotificationGroupAlertTransferHelper
 import com.android.systemui.statusbar.policy.DeviceProvisionedController
-import com.android.systemui.statusbar.policy.HeadsUpManager
-import com.android.systemui.statusbar.policy.RemoteInputUriController
 import com.android.wm.shell.bubbles.Bubbles
 import dagger.Lazy
 import java.io.PrintWriter
@@ -64,30 +55,21 @@ import javax.inject.Inject
 @SysUISingleton
 class NotificationsControllerImpl @Inject constructor(
     private val centralSurfaces: Lazy<CentralSurfaces>,
-    private val notifPipelineFlags: NotifPipelineFlags,
     private val notificationListener: NotificationListener,
     private val entryManager: NotificationEntryManager,
-    private val debugModeFilterProvider: DebugModeFilterProvider,
-    private val legacyRanker: NotificationRankingManager,
     private val commonNotifCollection: Lazy<CommonNotifCollection>,
     private val notifPipeline: Lazy<NotifPipeline>,
     private val notifLiveDataStore: NotifLiveDataStore,
     private val targetSdkResolver: TargetSdkResolver,
-    private val newNotifPipelineInitializer: Lazy<NotifPipelineInitializer>,
+    private val notifPipelineInitializer: Lazy<NotifPipelineInitializer>,
     private val notifBindPipelineInitializer: NotifBindPipelineInitializer,
     private val deviceProvisionedController: DeviceProvisionedController,
     private val notificationRowBinder: NotificationRowBinderImpl,
-    private val bindEventManagerImpl: BindEventManagerImpl,
-    private val remoteInputUriController: RemoteInputUriController,
-    private val groupManagerLegacy: Lazy<NotificationGroupManagerLegacy>,
-    private val groupAlertTransferHelper: NotificationGroupAlertTransferHelper,
-    private val headsUpManager: HeadsUpManager,
-    private val headsUpController: HeadsUpController,
     private val headsUpViewBinder: HeadsUpViewBinder,
     private val clickerBuilder: NotificationClicker.Builder,
     private val animatedImageNotificationManager: AnimatedImageNotificationManager,
     private val peopleSpaceWidgetManager: PeopleSpaceWidgetManager,
-    private val bubblesOptional: Optional<Bubbles>
+    private val bubblesOptional: Optional<Bubbles>,
 ) : NotificationsController {
 
     override fun initialize(
@@ -118,33 +100,13 @@ class NotificationsControllerImpl @Inject constructor(
         notifBindPipelineInitializer.initialize()
         animatedImageNotificationManager.bind()
 
-        if (INITIALIZE_NEW_PIPELINE) {
-            newNotifPipelineInitializer.get().initialize(
-                    notificationListener,
-                    notificationRowBinder,
-                    listContainer,
-                    stackController)
-        }
+        notifPipelineInitializer.get().initialize(
+                notificationListener,
+                notificationRowBinder,
+                listContainer,
+                stackController)
 
-        if (notifPipelineFlags.isNewPipelineEnabled()) {
-            targetSdkResolver.initialize(notifPipeline.get())
-            // TODO
-        } else {
-            targetSdkResolver.initialize(entryManager)
-            remoteInputUriController.attach(entryManager)
-            groupAlertTransferHelper.bind(entryManager, groupManagerLegacy.get())
-            bindEventManagerImpl.attachToLegacyPipeline(entryManager)
-            headsUpManager.addListener(groupManagerLegacy.get())
-            headsUpManager.addListener(groupAlertTransferHelper)
-            headsUpController.attach(entryManager, headsUpManager)
-            groupManagerLegacy.get().setHeadsUpManager(headsUpManager)
-            groupAlertTransferHelper.setHeadsUpManager(headsUpManager)
-            debugModeFilterProvider.registerInvalidationListener {
-                entryManager.updateNotifications("debug mode filter changed")
-            }
-
-            entryManager.initialize(notificationListener, legacyRanker)
-        }
+        targetSdkResolver.initialize(notifPipeline.get())
 
         peopleSpaceWidgetManager.attach(notificationListener)
     }
@@ -185,9 +147,4 @@ class NotificationsControllerImpl @Inject constructor(
 
     override fun getActiveNotificationsCount(): Int =
         notifLiveDataStore.activeNotifCount.value
-
-    companion object {
-        // NOTE: The new pipeline is always active, even if the old pipeline is *rendering*.
-        private const val INITIALIZE_NEW_PIPELINE = true
-    }
 }