diff --git a/src/com/android/launcher3/DeferredHandler.java b/src/com/android/launcher3/DeferredHandler.java
index eb7c26a..a43ab67 100644
--- a/src/com/android/launcher3/DeferredHandler.java
+++ b/src/com/android/launcher3/DeferredHandler.java
@@ -20,12 +20,10 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.MessageQueue;
-import android.util.Pair;
 
 import com.android.launcher3.util.Thunk;
 
 import java.util.LinkedList;
-import java.util.ListIterator;
 
 /**
  * Queue of things to run on a looper thread.  Items posted with {@link #post} will not
@@ -35,20 +33,18 @@
  * This class is fifo.
  */
 public class DeferredHandler {
-    @Thunk LinkedList<Pair<Runnable, Integer>> mQueue = new LinkedList<Pair<Runnable, Integer>>();
+    @Thunk LinkedList<Runnable> mQueue = new LinkedList<>();
     private MessageQueue mMessageQueue = Looper.myQueue();
     private Impl mHandler = new Impl();
 
     @Thunk class Impl extends Handler implements MessageQueue.IdleHandler {
         public void handleMessage(Message msg) {
-            Pair<Runnable, Integer> p;
             Runnable r;
             synchronized (mQueue) {
                 if (mQueue.size() == 0) {
                     return;
                 }
-                p = mQueue.removeFirst();
-                r = p.first;
+                r = mQueue.removeFirst();
             }
             r.run();
             synchronized (mQueue) {
@@ -79,11 +75,8 @@
 
     /** Schedule runnable to run after everything that's on the queue right now. */
     public void post(Runnable runnable) {
-        post(runnable, 0);
-    }
-    public void post(Runnable runnable, int type) {
         synchronized (mQueue) {
-            mQueue.add(new Pair<Runnable, Integer>(runnable, type));
+            mQueue.add(runnable);
             if (mQueue.size() == 1) {
                 scheduleNextLocked();
             }
@@ -92,31 +85,10 @@
 
     /** Schedule runnable to run when the queue goes idle. */
     public void postIdle(final Runnable runnable) {
-        postIdle(runnable, 0);
-    }
-    public void postIdle(final Runnable runnable, int type) {
-        post(new IdleRunnable(runnable), type);
+        post(new IdleRunnable(runnable));
     }
 
-    public void cancelRunnable(Runnable runnable) {
-        synchronized (mQueue) {
-            while (mQueue.remove(runnable)) { }
-        }
-    }
-    public void cancelAllRunnablesOfType(int type) {
-        synchronized (mQueue) {
-            ListIterator<Pair<Runnable, Integer>> iter = mQueue.listIterator();
-            Pair<Runnable, Integer> p;
-            while (iter.hasNext()) {
-                p = iter.next();
-                if (p.second == type) {
-                    iter.remove();
-                }
-            }
-        }
-    }
-
-    public void cancel() {
+    public void cancelAll() {
         synchronized (mQueue) {
             mQueue.clear();
         }
@@ -124,20 +96,19 @@
 
     /** Runs all queued Runnables from the calling thread. */
     public void flush() {
-        LinkedList<Pair<Runnable, Integer>> queue = new LinkedList<Pair<Runnable, Integer>>();
+        LinkedList<Runnable> queue = new LinkedList<>();
         synchronized (mQueue) {
             queue.addAll(mQueue);
             mQueue.clear();
         }
-        for (Pair<Runnable, Integer> p : queue) {
-            p.first.run();
+        for (Runnable r : queue) {
+            r.run();
         }
     }
 
     void scheduleNextLocked() {
         if (mQueue.size() > 0) {
-            Pair<Runnable, Integer> p = mQueue.getFirst();
-            Runnable peek = p.first;
+            Runnable peek = mQueue.getFirst();
             if (peek instanceof IdleRunnable) {
                 mMessageQueue.addIdleHandler(mHandler);
             } else {
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 2084477..7220e02 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2047,12 +2047,6 @@
 
         TextKeyListener.getInstance().release();
 
-        // Disconnect any of the callbacks and drawables associated with ItemInfos on the workspace
-        // to prevent leaking Launcher activities on orientation change.
-        if (mModel != null) {
-            mModel.unbindItemInfosAndClearQueuedBindRunnables();
-        }
-
         getContentResolver().unregisterContentObserver(mWidgetObserver);
         unregisterReceiver(mCloseSystemDialogsReceiver);
 
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 5a65cab..a5703a2 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -28,7 +28,6 @@
 import android.content.Intent;
 import android.content.Intent.ShortcutIconResource;
 import android.content.IntentFilter;
-import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.content.pm.ProviderInfo;
 import android.content.pm.ResolveInfo;
@@ -109,11 +108,6 @@
     @Thunk LoaderTask mLoaderTask;
     @Thunk boolean mIsLoaderTaskRunning;
 
-    // Specific runnable types that are run on the main thread deferred handler, this allows us to
-    // clear all queued binding runnables when the Launcher activity is destroyed.
-    private static final int MAIN_THREAD_NORMAL_RUNNABLE = 0;
-    private static final int MAIN_THREAD_BINDING_RUNNABLE = 1;
-
     private static final String MIGRATE_AUTHORITY = "com.android.launcher2.settings";
 
     @Thunk static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader");
@@ -256,9 +250,6 @@
     /** Runs the specified runnable immediately if called from the main thread, otherwise it is
      * posted on the main thread handler. */
     @Thunk void runOnMainThread(Runnable r) {
-        runOnMainThread(r, 0);
-    }
-    @Thunk void runOnMainThread(Runnable r, int type) {
         if (sWorkerThread.getThreadId() == Process.myTid()) {
             // If we are on the worker thread, post onto the main handler
             mHandler.post(r);
@@ -679,7 +670,7 @@
         runOnWorkerThread(r);
     }
 
-    public void unbindItemInfosAndClearQueuedBindRunnables() {
+    private void unbindItemInfosAndClearQueuedBindRunnables() {
         if (sWorkerThread.getThreadId() == Process.myTid()) {
             throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " +
                     "main thread");
@@ -689,8 +680,9 @@
         synchronized (mDeferredBindRunnables) {
             mDeferredBindRunnables.clear();
         }
-        // Remove any queued bind runnables
-        mHandler.cancelAllRunnablesOfType(MAIN_THREAD_BINDING_RUNNABLE);
+
+        // Remove any queued UI runnables
+        mHandler.cancelAll();
         // Unbind all the workspace items
         unbindWorkspaceItemsOnMainThread();
     }
@@ -699,19 +691,15 @@
     void unbindWorkspaceItemsOnMainThread() {
         // Ensure that we don't use the same workspace items data structure on the main thread
         // by making a copy of workspace items first.
-        final ArrayList<ItemInfo> tmpWorkspaceItems = new ArrayList<ItemInfo>();
-        final ArrayList<ItemInfo> tmpAppWidgets = new ArrayList<ItemInfo>();
+        final ArrayList<ItemInfo> tmpItems = new ArrayList<ItemInfo>();
         synchronized (sBgLock) {
-            tmpWorkspaceItems.addAll(sBgWorkspaceItems);
-            tmpAppWidgets.addAll(sBgAppWidgets);
+            tmpItems.addAll(sBgWorkspaceItems);
+            tmpItems.addAll(sBgAppWidgets);
         }
         Runnable r = new Runnable() {
                 @Override
                 public void run() {
-                   for (ItemInfo item : tmpWorkspaceItems) {
-                       item.unbind();
-                   }
-                   for (ItemInfo item : tmpAppWidgets) {
+                   for (ItemInfo item : tmpItems) {
                        item.unbind();
                    }
                 }
@@ -1297,6 +1285,9 @@
      */
     public void initialize(Callbacks callbacks) {
         synchronized (mLock) {
+            // Disconnect any of the callbacks and drawables associated with ItemInfos on the
+            // workspace to prevent leaking Launcher activities on orientation change.
+            unbindItemInfosAndClearQueuedBindRunnables();
             mCallbacks = new WeakReference<Callbacks>(callbacks);
         }
     }
@@ -1486,7 +1477,7 @@
                 mDeferredBindRunnables.clear();
             }
             for (final Runnable r : deferredBindRunnables) {
-                mHandler.post(r, MAIN_THREAD_BINDING_RUNNABLE);
+                mHandler.post(r);
             }
         }
     }
@@ -2619,7 +2610,7 @@
                     }
                 }
             };
-            runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE);
+            runOnMainThread(r);
         }
 
         private void bindWorkspaceItems(final Callbacks oldCallbacks,
@@ -2650,7 +2641,7 @@
                         deferredBindRunnables.add(r);
                     }
                 } else {
-                    runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE);
+                    runOnMainThread(r);
                 }
             }
 
@@ -2669,7 +2660,7 @@
                         deferredBindRunnables.add(r);
                     }
                 } else {
-                    runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE);
+                    runOnMainThread(r);
                 }
             }
 
@@ -2688,7 +2679,7 @@
                 if (postOnMainThread) {
                     deferredBindRunnables.add(r);
                 } else {
-                    runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE);
+                    runOnMainThread(r);
                 }
             }
         }
@@ -2768,7 +2759,7 @@
                     }
                 }
             };
-            runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE);
+            runOnMainThread(r);
 
             bindWorkspaceScreens(oldCallbacks, orderedScreenIds);
 
@@ -2784,7 +2775,7 @@
                         }
                     }
                 };
-                runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE);
+                runOnMainThread(r);
             }
 
             // Load all the remaining pages (if we are loading synchronously, we want to defer this
@@ -2817,7 +2808,7 @@
                     mDeferredBindRunnables.add(r);
                 }
             } else {
-                runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE);
+                runOnMainThread(r);
             }
         }
 
@@ -2888,8 +2879,6 @@
 
             // Clear the list of apps
             mBgAllAppsList.clear();
-            SharedPreferences prefs = mContext.getSharedPreferences(
-                    LauncherAppState.getSharedPreferencesKey(), Context.MODE_PRIVATE);
             for (UserHandleCompat user : profiles) {
                 // Query for the set of apps
                 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0;