diff --git a/quickstep/src/com/android/quickstep/TaskIconCache.java b/quickstep/src/com/android/quickstep/TaskIconCache.java
index b5d6fae..6c71da9 100644
--- a/quickstep/src/com/android/quickstep/TaskIconCache.java
+++ b/quickstep/src/com/android/quickstep/TaskIconCache.java
@@ -28,6 +28,7 @@
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.text.TextUtils;
+import android.util.SparseArray;
 import android.view.accessibility.AccessibilityManager;
 
 import androidx.annotation.WorkerThread;
@@ -62,7 +63,9 @@
 
     private final Context mContext;
     private final TaskKeyLruCache<TaskCacheEntry> mIconCache;
-    private final BitmapInfo[] mDefaultIcons = new BitmapInfo[1];
+    private final SparseArray<BitmapInfo> mDefaultIcons = new SparseArray<>();
+    private BitmapInfo mDefaultIconBase = null;
+
     private final IconProvider mIconProvider;
 
     private BaseIconFactory mIconFactory;
@@ -208,12 +211,23 @@
     @WorkerThread
     private Drawable getDefaultIcon(int userId) {
         synchronized (mDefaultIcons) {
-            if (mDefaultIcons[0] == null) {
+            if (mDefaultIconBase == null) {
                 try (BaseIconFactory bif = getIconFactory()) {
-                    mDefaultIcons[0] = bif.makeDefaultIcon();
+                    mDefaultIconBase = bif.makeDefaultIcon();
                 }
             }
-            return mDefaultIcons[0].clone().withUser(UserHandle.of(userId)).newIcon(mContext);
+
+            int index;
+            if ((index = mDefaultIcons.indexOfKey(userId)) >= 0) {
+                return mDefaultIcons.valueAt(index).newIcon(mContext);
+            } else {
+                try (BaseIconFactory li = getIconFactory()) {
+                    BitmapInfo info = mDefaultIconBase.withFlags(
+                            li.getBitmapFlagOp(new IconOptions().setUser(UserHandle.of(userId))));
+                    mDefaultIcons.put(userId, info);
+                    return info.newIcon(mContext);
+                }
+            }
         }
     }
 
diff --git a/src/com/android/launcher3/model/PackageUpdatedTask.java b/src/com/android/launcher3/model/PackageUpdatedTask.java
index 83fb3d1..d47edff 100644
--- a/src/com/android/launcher3/model/PackageUpdatedTask.java
+++ b/src/com/android/launcher3/model/PackageUpdatedTask.java
@@ -112,7 +112,7 @@
                     activitiesLists.put(
                             packages[i], appsList.addPackage(context, packages[i], mUser));
                 }
-                flagOp = FlagOp.removeFlag(WorkspaceItemInfo.FLAG_DISABLED_NOT_AVAILABLE);
+                flagOp = FlagOp.NO_OP.removeFlag(WorkspaceItemInfo.FLAG_DISABLED_NOT_AVAILABLE);
                 break;
             }
             case OP_UPDATE:
@@ -134,7 +134,7 @@
                     }
                 }
                 // Since package was just updated, the target must be available now.
-                flagOp = FlagOp.removeFlag(WorkspaceItemInfo.FLAG_DISABLED_NOT_AVAILABLE);
+                flagOp = FlagOp.NO_OP.removeFlag(WorkspaceItemInfo.FLAG_DISABLED_NOT_AVAILABLE);
                 break;
             case OP_REMOVE: {
                 for (int i = 0; i < N; i++) {
@@ -148,13 +148,12 @@
                     if (DEBUG) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]);
                     appsList.removePackage(packages[i], mUser);
                 }
-                flagOp = FlagOp.addFlag(WorkspaceItemInfo.FLAG_DISABLED_NOT_AVAILABLE);
+                flagOp = FlagOp.NO_OP.addFlag(WorkspaceItemInfo.FLAG_DISABLED_NOT_AVAILABLE);
                 break;
             case OP_SUSPEND:
             case OP_UNSUSPEND:
-                flagOp = mOp == OP_SUSPEND ?
-                        FlagOp.addFlag(WorkspaceItemInfo.FLAG_DISABLED_SUSPENDED) :
-                        FlagOp.removeFlag(WorkspaceItemInfo.FLAG_DISABLED_SUSPENDED);
+                flagOp = FlagOp.NO_OP.setFlag(
+                        WorkspaceItemInfo.FLAG_DISABLED_SUSPENDED, mOp == OP_SUSPEND);
                 if (DEBUG) Log.d(TAG, "mAllAppsList.(un)suspend " + N);
                 appsList.updateDisabledFlags(matcher, flagOp);
                 break;
@@ -162,9 +161,8 @@
                 UserManagerState ums = new UserManagerState();
                 ums.init(UserCache.INSTANCE.get(context),
                         context.getSystemService(UserManager.class));
-                flagOp = ums.isUserQuiet(mUser)
-                        ? FlagOp.addFlag(WorkspaceItemInfo.FLAG_DISABLED_QUIET_USER)
-                        : FlagOp.removeFlag(WorkspaceItemInfo.FLAG_DISABLED_QUIET_USER);
+                flagOp = FlagOp.NO_OP.setFlag(
+                        WorkspaceItemInfo.FLAG_DISABLED_QUIET_USER, ums.isUserQuiet(mUser));
                 appsList.updateDisabledFlags(matcher, flagOp);
 
                 // We are not synchronizing here, as int operations are atomic
diff --git a/src/com/android/launcher3/util/FlagOp.java b/src/com/android/launcher3/util/FlagOp.java
deleted file mode 100644
index bd40eb9..0000000
--- a/src/com/android/launcher3/util/FlagOp.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package com.android.launcher3.util;
-
-public interface FlagOp {
-
-    FlagOp NO_OP = i -> i;
-
-    int apply(int flags);
-
-    static FlagOp addFlag(int flag) {
-        return i -> i | flag;
-    }
-
-    static FlagOp removeFlag(int flag) {
-        return i -> i & ~flag;
-    }
-}