diff --git a/Android.bp b/Android.bp
index f45394a..79c1b9f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -21,6 +21,8 @@
 
 // Common source files used to build launcher (java and kotlin)
 // All sources are split so they can be reused in many other libraries/apps in other folders
+
+// Main Launcher source, excluding the build config
 filegroup {
     name: "launcher-src",
     srcs: [
@@ -29,6 +31,7 @@
     ],
 }
 
+// Source code for quickstep build, on top of launcher-src
 filegroup {
     name: "launcher-quickstep-src",
     srcs: [
@@ -37,35 +40,20 @@
     ],
 }
 
+// Alternate source when quickstep is not included
 filegroup {
-    name: "launcher-go-src",
+    name: "launcher-src_no_quickstep",
     srcs: [
-        "go/src/**/*.java",
-        "go/src/**/*.kt",
+        "src_no_quickstep/**/*.java",
+        "src_no_quickstep/**/*.kt",
     ],
 }
 
+// Default build config for Launcher3
 filegroup {
-    name: "launcher-go-quickstep-src",
+    name: "launcher-build-config",
     srcs: [
-        "go/quickstep/src/**/*.java",
-        "go/quickstep/src/**/*.kt",
-    ],
-}
-
-filegroup {
-    name: "launcher-src_shortcuts_overrides",
-    srcs: [
-        "src_shortcuts_overrides/**/*.java",
-        "src_shortcuts_overrides/**/*.kt",
-    ],
-}
-
-filegroup {
-    name: "launcher-src_ui_overrides",
-    srcs: [
-        "src_ui_overrides/**/*.java",
-        "src_ui_overrides/**/*.kt",
+        "src_build_config/**/*.java",
     ],
 }
 
@@ -165,36 +153,16 @@
         "iconloader_base",
         "view_capture",
         "animationlib",
-    ],
-    manifest: "AndroidManifest-common.xml",
-    sdk_version: "current",
-    min_sdk_version: min_launcher3_sdk_version,
-    lint: {
-        baseline_filename: "lint-baseline.xml",
-    },
-}
-
-//
-// Build rule for Launcher3 dependencies lib.
-//
-android_library {
-    name: "Launcher3CommonDepsLib",
-    srcs: ["src_build_config/**/*.java"],
-    static_libs: [
         "SystemUI-statsd",
-        "Launcher3ResLib",
         "launcher-testing-shared",
-        "animationlib",
-        "kotlinx_coroutines_android",
-        "kotlinx_coroutines",
         "com_android_launcher3_flags_lib",
         "com_android_wm_shell_flags_lib",
         "android.appwidget.flags-aconfig-java",
         "com.android.window.flags.window-aconfig-java",
     ],
+    manifest: "AndroidManifest-common.xml",
     sdk_version: "current",
     min_sdk_version: min_launcher3_sdk_version,
-    manifest: "AndroidManifest-common.xml",
     lint: {
         baseline_filename: "lint-baseline.xml",
     },
@@ -207,12 +175,12 @@
     name: "Launcher3",
 
     static_libs: [
-        "Launcher3CommonDepsLib",
+        "Launcher3ResLib",
     ],
     srcs: [
         ":launcher-src",
-        ":launcher-src_shortcuts_overrides",
-        ":launcher-src_ui_overrides",
+        ":launcher-src_no_quickstep",
+        ":launcher-build-config",
     ],
 
     optimize: {
@@ -259,24 +227,21 @@
         "lottie",
         "SystemUISharedLib",
         "SettingsLibSettingsTheme",
-        "SystemUI-statsd",
-        "animationlib",
     ],
     manifest: "quickstep/AndroidManifest.xml",
     min_sdk_version: "current",
 }
 
-// Library with all the dependencies for building Launcher Go
+// Library with all the source code and dependencies for building Launcher Go
 android_library {
-    name: "LauncherGoResLib",
+    name: "Launcher3GoLib",
     srcs: [
         ":launcher-src",
         ":launcher-quickstep-src",
-        ":launcher-go-src",
-        ":launcher-go-quickstep-src",
+        "go/quickstep/src/**/*.java",
+        "go/quickstep/src/**/*.kt",
     ],
     resource_dirs: [
-        "go/res",
         "go/quickstep/res",
     ],
     // Note the ordering here is important when it comes to resource
@@ -284,7 +249,6 @@
     // in QuickstepResLib to take precendece, so it should be the final
     // dependency. See b/205278434 for how this can go wrong.
     static_libs: [
-        "Launcher3CommonDepsLib",
         "QuickstepResLib",
         "androidx.room_room-runtime",
     ],
@@ -299,13 +263,13 @@
     use_resource_processor: false,
 }
 
-// Build rule for Quickstep library
+// Library with all the source code and dependencies for building Quickstep
 android_library {
     name: "Launcher3QuickStepLib",
     srcs: [
         ":launcher-src",
         ":launcher-quickstep-src",
-        ":launcher-src_shortcuts_overrides",
+        ":launcher-build-config",
     ],
     resource_dirs: [],
     libs: [
@@ -317,10 +281,7 @@
     // dependency. See b/208647810 for how this can go wrong.
     static_libs: [
         "SystemUI-statsd",
-        "SystemUISharedLib",
-        "Launcher3CommonDepsLib",
         "QuickstepResLib",
-        "animationlib",
     ],
     manifest: "quickstep/AndroidManifest.xml",
     platform_apis: true,
@@ -329,49 +290,6 @@
     use_resource_processor: false,
 }
 
-// Build rule for Launcher3 Go app for Android Go devices.
-android_app {
-    name: "Launcher3Go",
-
-    static_libs: ["Launcher3CommonDepsLib"],
-
-    srcs: [
-        ":launcher-src",
-        ":launcher-go-src",
-        ":launcher-src_ui_overrides",
-    ],
-
-    resource_dirs: ["go/res"],
-
-    optimize: {
-        proguard_flags_files: ["proguard.flags"],
-    },
-
-    sdk_version: "current",
-    min_sdk_version: "current",
-    target_sdk_version: "current",
-    privileged: true,
-    system_ext_specific: true,
-    overrides: [
-        "Home",
-        "Launcher2",
-        "Launcher3",
-        "Launcher3QuickStep",
-    ],
-    required: ["privapp_whitelist_com.android.launcher3"],
-
-    additional_manifests: [
-        "AndroidManifest.xml",
-        "AndroidManifest-common.xml",
-    ],
-
-    manifest: "go/AndroidManifest.xml",
-    jacoco: {
-        include_filter: ["com.android.launcher3.*"],
-    },
-
-}
-
 // Build rule for Quickstep app.
 android_app {
     name: "Launcher3QuickStep",
@@ -408,28 +326,19 @@
 
 }
 
-// Build rule for Launcher3 Go app with quickstep for Android Go devices.
-android_app {
-    name: "Launcher3QuickStepGo",
 
-    static_libs: [
-        "SystemUI-statsd",
-        "SystemUISharedLib",
-        "LauncherGoResLib",
-    ],
+// Build rule for Launcher3 Go app with quickstep for Android Go devices.
+// Note that the following two rules are exactly same, and should
+// eventually be merged into a single target
+android_app {
+    name: "Launcher3Go",
+
+    static_libs: ["Launcher3GoLib"],
 
     platform_apis: true,
     min_sdk_version: "current",
     target_sdk_version: "current",
 
-    srcs: [],
-
-    resource_dirs: [
-        "go/quickstep/res",
-        "go/res",
-        "quickstep/res",
-    ],
-
     optimize: {
         proguard_flags_files: ["proguard.flags"],
         enabled: true,
@@ -455,5 +364,39 @@
     jacoco: {
         include_filter: ["com.android.launcher3.*"],
     },
+}
+android_app {
+    name: "Launcher3QuickStepGo",
 
+    static_libs: ["Launcher3GoLib"],
+
+    platform_apis: true,
+    min_sdk_version: "current",
+    target_sdk_version: "current",
+
+    optimize: {
+        proguard_flags_files: ["proguard.flags"],
+        enabled: true,
+    },
+
+    privileged: true,
+    system_ext_specific: true,
+    overrides: [
+        "Home",
+        "Launcher2",
+        "Launcher3",
+        "Launcher3QuickStep",
+    ],
+    required: ["privapp_whitelist_com.android.launcher3"],
+
+    additional_manifests: [
+        "go/AndroidManifest.xml",
+        "go/AndroidManifest-launcher.xml",
+        "AndroidManifest-common.xml",
+    ],
+
+    manifest: "quickstep/AndroidManifest.xml",
+    jacoco: {
+        include_filter: ["com.android.launcher3.*"],
+    },
 }
diff --git a/go/quickstep/res/values/config.xml b/go/quickstep/res/values/config.xml
index 796d14d..147dd96 100644
--- a/go/quickstep/res/values/config.xml
+++ b/go/quickstep/res/values/config.xml
@@ -21,4 +21,7 @@
     <bool name="enable_niu_actions">true</bool>
 
     <string name="task_overlay_factory_class" translatable="false">com.android.quickstep.TaskOverlayFactoryGo</string>
+
+    <!-- String representing the intent to delete a package. -->
+    <string name="delete_package_intent" translatable="false">#Intent;action=android.intent.action.DELETE;launchFlags=0x10800000;B.android.intent.extra.RETURN_RESULT=true;end</string>
 </resources>
\ No newline at end of file
diff --git a/go/res/xml/device_profiles.xml b/go/quickstep/res/xml/device_profiles.xml
similarity index 100%
rename from go/res/xml/device_profiles.xml
rename to go/quickstep/res/xml/device_profiles.xml
diff --git a/go/quickstep/src/com/android/launcher3/BuildConfig.java b/go/quickstep/src/com/android/launcher3/BuildConfig.java
new file mode 100644
index 0000000..cfcda39
--- /dev/null
+++ b/go/quickstep/src/com/android/launcher3/BuildConfig.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2018 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.launcher3;
+
+public final class BuildConfig {
+    public static final String APPLICATION_ID = "com.android.launcher3";
+
+    public static final boolean IS_STUDIO_BUILD = false;
+    /**
+     * Flag to state if the QSB is on the first screen and placed on the top,
+     * this can be overwritten in other launchers with a different value, if needed.
+     */
+    public static final boolean QSB_ON_FIRST_SCREEN = true;
+
+    /**
+     * Flag to state if the widget on the top of the first screen should be shown.
+     */
+    public static final boolean WIDGET_ON_FIRST_SCREEN = false;
+
+    /**
+     * Flag to control various developer centric features
+     */
+    public static final boolean IS_DEBUG_DEVICE = false;
+
+    // Flag to control widgets support in Launcher
+    public static final boolean WIDGETS_ENABLED = false;
+    // Flag to control notification dots support in Launcher
+    public static final boolean NOTIFICATION_DOTS_ENABLED = false;
+}
diff --git a/go/res/values-v26/bools.xml b/go/res/values-v26/bools.xml
deleted file mode 100644
index 1584734..0000000
--- a/go/res/values-v26/bools.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/* Copyright 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.
-*/
--->
-
-<resources>
-    <bool name="notification_dots_enabled">false</bool>
-</resources>
-
diff --git a/go/res/values/override.xml b/go/res/values/override.xml
deleted file mode 100644
index 268cb98..0000000
--- a/go/res/values/override.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-* 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.
-*/
--->
-<resources>
-    <!-- String representing the intent to delete a package. -->
-    <string name="delete_package_intent" translatable="false">#Intent;action=android.intent.action.DELETE;launchFlags=0x10800000;B.android.intent.extra.RETURN_RESULT=true;end</string>
-</resources>
\ No newline at end of file
diff --git a/go/src/com/android/launcher3/model/LauncherBinder.java b/go/src/com/android/launcher3/model/LauncherBinder.java
deleted file mode 100644
index 7a0dce8..0000000
--- a/go/src/com/android/launcher3/model/LauncherBinder.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2018 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.launcher3.model;
-
-import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
-
-import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.model.BgDataModel.Callbacks;
-
-/**
- * Binds the results of {@link com.android.launcher3.model.LoaderTask} to the Callbacks objects.
- */
-public class LauncherBinder extends BaseLauncherBinder {
-
-    public LauncherBinder(LauncherAppState app, BgDataModel dataModel,
-            AllAppsList allAppsList, Callbacks[] callbacks) {
-        super(app, dataModel, allAppsList, callbacks, MAIN_EXECUTOR);
-    }
-
-    @Override
-    public void bindDeepShortcuts() {
-    }
-
-    @Override
-    public void bindWidgets() {
-    }
-
-    @Override
-    public void bindSmartspaceWidget() {
-    }
-}
diff --git a/go/src/com/android/launcher3/model/WidgetsModel.java b/go/src/com/android/launcher3/model/WidgetsModel.java
deleted file mode 100644
index 3a28444..0000000
--- a/go/src/com/android/launcher3/model/WidgetsModel.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (C) 2018 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.launcher3.model;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.os.UserHandle;
-
-import androidx.annotation.Nullable;
-
-import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.icons.ComponentWithLabelAndIcon;
-import com.android.launcher3.model.data.PackageItemInfo;
-import com.android.launcher3.util.PackageUserKey;
-import com.android.launcher3.widget.model.WidgetsListBaseEntry;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.function.Predicate;
-
-/**
- * Widgets data model that is used by the adapters of the widget views and controllers.
- *
- * <p> The widgets and shortcuts are organized using package name as its index.
- */
-public class WidgetsModel {
-
-    // True is the widget support is disabled.
-    public static final boolean GO_DISABLE_WIDGETS = true;
-    public static final boolean GO_DISABLE_NOTIFICATION_DOTS = true;
-
-    private static final ArrayList<WidgetsListBaseEntry> EMPTY_WIDGET_LIST = new ArrayList<>();
-
-    /**
-     * Returns a list of {@link WidgetsListBaseEntry} filtered using given widget item filter. All
-     * {@link WidgetItem}s in a single row are sorted (based on label and user), but the overall
-     * list of {@link WidgetsListBaseEntry}s is not sorted.
-     *
-     * @see com.android.launcher3.widget.picker.WidgetsListAdapter#setWidgets(List)
-     */
-    public synchronized ArrayList<WidgetsListBaseEntry> getFilteredWidgetsListForPicker(
-            Context context,
-            Predicate<WidgetItem> widgetItemFilter) {
-        return EMPTY_WIDGET_LIST;
-    }
-
-    /**
-     * Returns a list of {@link WidgetsListBaseEntry}. All {@link WidgetItem} in a single row are
-     * sorted (based on label and user), but the overall list of {@link WidgetsListBaseEntry}s is
-     * not sorted. This list is sorted at the UI when using
-     * {@link com.android.launcher3.widget.picker.WidgetsDiffReporter}
-     *
-     * @see com.android.launcher3.widget.picker.WidgetsListAdapter#setWidgets(List)
-     */
-    public synchronized ArrayList<WidgetsListBaseEntry> getWidgetsListForPicker(Context context) {
-        return EMPTY_WIDGET_LIST;
-    }
-
-    /** Returns a mapping of packages to their widgets without static shortcuts. */
-    public synchronized Map<PackageUserKey, List<WidgetItem>> getAllWidgetsWithoutShortcuts() {
-        return Map.of();
-    }
-
-    /**
-     * @param packageUser If null, all widgets and shortcuts are updated and returned, otherwise
-     *                    only widgets and shortcuts associated with the package/user are.
-     */
-    public List<ComponentWithLabelAndIcon> update(LauncherAppState app,
-            @Nullable PackageUserKey packageUser) {
-        return Collections.emptyList();
-    }
-
-
-    public void onPackageIconsUpdated(Set<String> packageNames, UserHandle user,
-            LauncherAppState app) {
-    }
-
-    public WidgetItem getWidgetProviderInfoByProviderName(
-            ComponentName providerName, UserHandle user) {
-        return null;
-    }
-
-    /** Returns {@link PackageItemInfo} of a pending widget. */
-    public static PackageItemInfo newPendingItemInfo(
-            Context context, ComponentName provider, UserHandle userHandle) {
-        return new PackageItemInfo(provider.getPackageName(), userHandle);
-    }
-}
diff --git a/go/src/com/android/launcher3/util/AbsGridOccupancy.java b/go/src/com/android/launcher3/util/AbsGridOccupancy.java
deleted file mode 100644
index 4a46bd1..0000000
--- a/go/src/com/android/launcher3/util/AbsGridOccupancy.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2022 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.launcher3.util;
-
-/**
- * Defines method to find the next vacant cell on a grid.
- * This uses the default top-down, left-right approach and can be over-written through
- * code swaps in different launchers.
- */
-public abstract class AbsGridOccupancy {
-
-    /**
-     * Find the first vacant cell, if there is one.
-     *
-     * @param vacantOut Holds the x and y coordinate of the vacant cell
-     * @param spanX Horizontal cell span.
-     * @param spanY Vertical cell span.
-     *
-     * @return true if a vacant cell was found
-     */
-    protected boolean findVacantCell(int[] vacantOut, boolean[][] cells, int countX, int countY,
-            int spanX, int spanY) {
-        for (int y = 0; (y + spanY) <= countY; y++) {
-            for (int x = 0; (x + spanX) <= countX; x++) {
-                boolean available = !cells[x][y];
-                out:
-                for (int i = x; i < x + spanX; i++) {
-                    for (int j = y; j < y + spanY; j++) {
-                        available = available && !cells[i][j];
-                        if (!available) break out;
-                    }
-                }
-                if (available) {
-                    vacantOut[0] = x;
-                    vacantOut[1] = y;
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-}
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepWidgetHolder.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepWidgetHolder.java
index 23e2622..01d5ff0 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepWidgetHolder.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepWidgetHolder.java
@@ -15,6 +15,7 @@
  */
 package com.android.launcher3.uioverrides;
 
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
@@ -32,7 +33,6 @@
 import androidx.annotation.UiThread;
 
 import com.android.launcher3.config.FeatureFlags;
-import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.SafeCloseable;
 import com.android.launcher3.widget.LauncherAppWidgetHostView;
@@ -101,7 +101,7 @@
                                     new ArrayList<>(h.mProviderChangedListeners).forEach(
                                     ProviderChangedListener::notifyWidgetProvidersChanged))),
                     UI_HELPER_EXECUTOR.getLooper());
-            if (!WidgetsModel.GO_DISABLE_WIDGETS) {
+            if (WIDGETS_ENABLED) {
                 sWidgetHost.startListening();
             }
         }
@@ -195,7 +195,7 @@
      */
     @Override
     public void stopListening() {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             return;
         }
 
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index be01d63..7fdfd72 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -47,12 +47,12 @@
 import com.android.launcher3.icons.IconCache;
 import com.android.launcher3.model.AddWorkspaceItemsTask;
 import com.android.launcher3.model.AllAppsList;
+import com.android.launcher3.model.BaseLauncherBinder;
 import com.android.launcher3.model.BaseModelUpdateTask;
 import com.android.launcher3.model.BgDataModel;
 import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.model.CacheDataUpdatedTask;
 import com.android.launcher3.model.ItemInstallQueue;
-import com.android.launcher3.model.LauncherBinder;
 import com.android.launcher3.model.LoaderTask;
 import com.android.launcher3.model.ModelDbController;
 import com.android.launcher3.model.ModelDelegate;
@@ -365,7 +365,7 @@
                     MAIN_EXECUTOR.execute(cb::clearPendingBinds);
                 }
 
-                LauncherBinder launcherBinder = new LauncherBinder(
+                BaseLauncherBinder launcherBinder = new BaseLauncherBinder(
                         mApp, mBgDataModel, mBgAllAppsList, callbacksList);
                 if (bindDirectly) {
                     // Divide the set of loaded items into those that we are binding synchronously,
diff --git a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
index fe327d0..addd072 100644
--- a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
+++ b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
@@ -50,10 +50,10 @@
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.graphics.LauncherPreviewRenderer.PreviewContext;
+import com.android.launcher3.model.BaseLauncherBinder;
 import com.android.launcher3.model.BgDataModel;
 import com.android.launcher3.model.BgDataModel.Callbacks;
 import com.android.launcher3.model.GridSizeMigrationUtil;
-import com.android.launcher3.model.LauncherBinder;
 import com.android.launcher3.model.LoaderTask;
 import com.android.launcher3.model.ModelDbController;
 import com.android.launcher3.provider.LauncherDbUtils;
@@ -244,7 +244,7 @@
                     /* bgAllAppsList= */ null,
                     bgModel,
                     LauncherAppState.getInstance(previewContext).getModel().getModelDelegate(),
-                    new LauncherBinder(LauncherAppState.getInstance(previewContext), bgModel,
+                    new BaseLauncherBinder(LauncherAppState.getInstance(previewContext), bgModel,
                             /* bgAllAppsList= */ null, new Callbacks[0])) {
 
                 @Override
diff --git a/src/com/android/launcher3/icons/ShortcutCachingLogic.java b/src/com/android/launcher3/icons/ShortcutCachingLogic.java
index 1791539..f40eda6 100644
--- a/src/com/android/launcher3/icons/ShortcutCachingLogic.java
+++ b/src/com/android/launcher3/icons/ShortcutCachingLogic.java
@@ -16,7 +16,7 @@
 
 package com.android.launcher3.icons;
 
-import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 
 import android.content.ComponentName;
 import android.content.Context;
@@ -101,7 +101,7 @@
      * Launcher specific checks
      */
     public static Drawable getIcon(Context context, ShortcutInfo shortcutInfo, int density) {
-        if (GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             return null;
         }
         try {
diff --git a/src/com/android/launcher3/model/BaseLauncherBinder.java b/src/com/android/launcher3/model/BaseLauncherBinder.java
index 966b6a6..41dbe4e 100644
--- a/src/com/android/launcher3/model/BaseLauncherBinder.java
+++ b/src/com/android/launcher3/model/BaseLauncherBinder.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3.model;
 
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 import static com.android.launcher3.Flags.enableWorkspaceInflation;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SMARTSPACE_REMOVAL;
 import static com.android.launcher3.model.ItemInstallQueue.FLAG_LOADER_RUNNING;
@@ -43,6 +44,7 @@
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
+import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.IntArray;
 import com.android.launcher3.util.IntSet;
 import com.android.launcher3.util.ItemInflater;
@@ -50,10 +52,12 @@
 import com.android.launcher3.util.LooperIdleLock;
 import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.RunnableList;
+import com.android.launcher3.widget.model.WidgetsListBaseEntry;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -65,7 +69,7 @@
 /**
  * Binds the results of {@link com.android.launcher3.model.LoaderTask} to the Callbacks objects.
  */
-public abstract class BaseLauncherBinder {
+public class BaseLauncherBinder {
 
     protected static final String TAG = "LauncherBinder";
     private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons
@@ -81,8 +85,8 @@
     private int mMyBindingId;
 
     public BaseLauncherBinder(LauncherAppState app, BgDataModel dataModel,
-            AllAppsList allAppsList, Callbacks[] callbacksList, LooperExecutor uiExecutor) {
-        mUiExecutor = uiExecutor;
+            AllAppsList allAppsList, Callbacks[] callbacksList) {
+        mUiExecutor = MAIN_EXECUTOR;
         mApp = app;
         mBgDataModel = dataModel;
         mBgAllAppsList = allAppsList;
@@ -158,7 +162,16 @@
     /**
      * BindDeepShortcuts is abstract because it is a no-op for the go launcher.
      */
-    public abstract void bindDeepShortcuts();
+    public void bindDeepShortcuts() {
+        if (!WIDGETS_ENABLED) {
+            return;
+        }
+        final HashMap<ComponentKey, Integer> shortcutMapCopy;
+        synchronized (mBgDataModel) {
+            shortcutMapCopy = new HashMap<>(mBgDataModel.deepShortcutMap);
+        }
+        executeCallbacksTask(c -> c.bindDeepShortcutMap(shortcutMapCopy), mUiExecutor);
+    }
 
     /**
      * Binds the all apps results from LoaderTask to the callbacks UX.
@@ -178,12 +191,24 @@
     /**
      * bindWidgets is abstract because it is a no-op for the go launcher.
      */
-    public abstract void bindWidgets();
+    public void bindWidgets() {
+        if (!WIDGETS_ENABLED) {
+            return;
+        }
+        final List<WidgetsListBaseEntry> widgets =
+                mBgDataModel.widgetsModel.getWidgetsListForPicker(mApp.getContext());
+        executeCallbacksTask(c -> c.bindAllWidgets(widgets), mUiExecutor);
+    }
 
     /**
      * bindWidgets is abstract because it is a no-op for the go launcher.
      */
-    public abstract void bindSmartspaceWidget();
+    public void bindSmartspaceWidget() {
+        if (!WIDGETS_ENABLED) {
+            return;
+        }
+        executeCallbacksTask(c -> c.bindSmartspaceWidget(), mUiExecutor);
+    }
 
     /**
      * Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to right)
diff --git a/src/com/android/launcher3/model/BgDataModel.java b/src/com/android/launcher3/model/BgDataModel.java
index 8579d1d..0e1c8f4 100644
--- a/src/com/android/launcher3/model/BgDataModel.java
+++ b/src/com/android/launcher3/model/BgDataModel.java
@@ -18,9 +18,9 @@
 import static android.content.pm.LauncherApps.ShortcutQuery.FLAG_GET_KEY_FIELDS_ONLY;
 
 import static com.android.launcher3.BuildConfig.QSB_ON_FIRST_SCREEN;
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_SMARTSPACE_REMOVAL;
 import static com.android.launcher3.config.FeatureFlags.shouldShowFirstPageWidget;
-import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
 import static com.android.launcher3.shortcuts.ShortcutRequest.PINNED;
 
 import static java.util.stream.Collectors.groupingBy;
@@ -305,7 +305,7 @@
      * shortcuts and unpinning any extra shortcuts.
      */
     public synchronized void updateShortcutPinnedState(Context context, UserHandle user) {
-        if (GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             return;
         }
 
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 17cef90..f3d04b7 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -132,7 +132,7 @@
     private FirstScreenBroadcast mFirstScreenBroadcast;
 
     @NonNull
-    private final LauncherBinder mLauncherBinder;
+    private final BaseLauncherBinder mLauncherBinder;
 
     private final LauncherApps mLauncherApps;
     private final UserManager mUserManager;
@@ -153,13 +153,13 @@
     private String mDbName;
 
     public LoaderTask(@NonNull LauncherAppState app, AllAppsList bgAllAppsList, BgDataModel bgModel,
-            ModelDelegate modelDelegate, @NonNull LauncherBinder launcherBinder) {
+            ModelDelegate modelDelegate, @NonNull BaseLauncherBinder launcherBinder) {
         this(app, bgAllAppsList, bgModel, modelDelegate, launcherBinder, new UserManagerState());
     }
 
     @VisibleForTesting
     LoaderTask(@NonNull LauncherAppState app, AllAppsList bgAllAppsList, BgDataModel bgModel,
-            ModelDelegate modelDelegate, @NonNull LauncherBinder launcherBinder,
+            ModelDelegate modelDelegate, @NonNull BaseLauncherBinder launcherBinder,
             UserManagerState userManagerState) {
         mApp = app;
         mBgAllAppsList = bgAllAppsList;
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java b/src/com/android/launcher3/model/WidgetsModel.java
similarity index 96%
rename from src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
rename to src/com/android/launcher3/model/WidgetsModel.java
index 8b983fc..91ce5ea 100644
--- a/src_shortcuts_overrides/com/android/launcher3/model/WidgetsModel.java
+++ b/src/com/android/launcher3/model/WidgetsModel.java
@@ -3,6 +3,7 @@
 
 import static android.appwidget.AppWidgetProviderInfo.WIDGET_FEATURE_HIDE_FROM_PICKER;
 
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 import static com.android.launcher3.pm.ShortcutConfigActivityInfo.queryList;
 import static com.android.launcher3.widget.WidgetSections.NO_CATEGORY;
 
@@ -44,6 +45,7 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
@@ -59,10 +61,6 @@
  */
 public class WidgetsModel {
 
-    // True is the widget support is disabled.
-    public static final boolean GO_DISABLE_WIDGETS = false;
-    public static final boolean GO_DISABLE_NOTIFICATION_DOTS = false;
-
     private static final String TAG = "WidgetsModel";
     private static final boolean DEBUG = false;
 
@@ -79,6 +77,9 @@
     public synchronized ArrayList<WidgetsListBaseEntry> getFilteredWidgetsListForPicker(
             Context context,
             Predicate<WidgetItem> widgetItemFilter) {
+        if (!WIDGETS_ENABLED) {
+            return new ArrayList<>();
+        }
         ArrayList<WidgetsListBaseEntry> result = new ArrayList<>();
         AlphabeticIndexCompat indexer = new AlphabeticIndexCompat(context);
 
@@ -111,6 +112,9 @@
 
     /** Returns a mapping of packages to their widgets without static shortcuts. */
     public synchronized Map<PackageUserKey, List<WidgetItem>> getAllWidgetsWithoutShortcuts() {
+        if (!WIDGETS_ENABLED) {
+            return Collections.emptyMap();
+        }
         Map<PackageUserKey, List<WidgetItem>> packagesToWidgets = new HashMap<>();
         mWidgetsList.forEach((packageItemInfo, widgetsAndShortcuts) -> {
             List<WidgetItem> widgets = widgetsAndShortcuts.stream()
@@ -131,6 +135,9 @@
      */
     public List<ComponentWithLabelAndIcon> update(
             LauncherAppState app, @Nullable PackageUserKey packageUser) {
+        if (!WIDGETS_ENABLED) {
+            return Collections.emptyList();
+        }
         Preconditions.assertWorkerThread();
 
         Context context = app.getContext();
@@ -207,6 +214,9 @@
 
     public void onPackageIconsUpdated(Set<String> packageNames, UserHandle user,
             LauncherAppState app) {
+        if (!WIDGETS_ENABLED) {
+            return;
+        }
         WidgetManagerHelper widgetManager = new WidgetManagerHelper(app.getContext());
         for (Entry<PackageItemInfo, List<WidgetItem>> entry : mWidgetsList.entrySet()) {
             if (packageNames.contains(entry.getKey().packageName)) {
@@ -231,6 +241,9 @@
 
     public WidgetItem getWidgetProviderInfoByProviderName(
             ComponentName providerName, UserHandle user) {
+        if (!WIDGETS_ENABLED) {
+            return null;
+        }
         List<WidgetItem> widgetsList = mWidgetsList.get(
                 new PackageItemInfo(providerName.getPackageName(), user));
         if (widgetsList == null) {
diff --git a/src/com/android/launcher3/provider/RestoreDbTask.java b/src/com/android/launcher3/provider/RestoreDbTask.java
index 756153e..9f2b10f 100644
--- a/src/com/android/launcher3/provider/RestoreDbTask.java
+++ b/src/com/android/launcher3/provider/RestoreDbTask.java
@@ -18,6 +18,7 @@
 
 import static android.os.Process.myUserHandle;
 
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 import static com.android.launcher3.Flags.enableLauncherBrMetricsFixed;
 import static com.android.launcher3.InvariantDeviceProfile.TYPE_MULTI_DISPLAY;
 import static com.android.launcher3.LauncherPrefs.APP_WIDGET_IDS;
@@ -64,7 +65,6 @@
 import com.android.launcher3.model.DeviceGridState;
 import com.android.launcher3.model.LoaderTask;
 import com.android.launcher3.model.ModelDbController;
-import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
@@ -428,7 +428,7 @@
     private void restoreAppWidgetIds(Context context, ModelDbController controller,
             LauncherRestoreEventLogger launcherRestoreEventLogger, int[] oldWidgetIds,
             int[] newWidgetIds, @NonNull AppWidgetHost host) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             FileLog.e(TAG, "Skipping widget ID remap as widgets not supported");
             host.deleteHost();
             launcherRestoreEventLogger.logFavoritesItemsRestoreFailed(Favorites.ITEM_TYPE_APPWIDGET,
diff --git a/src/com/android/launcher3/settings/SettingsActivity.java b/src/com/android/launcher3/settings/SettingsActivity.java
index a5f9c2a..c10d85e 100644
--- a/src/com/android/launcher3/settings/SettingsActivity.java
+++ b/src/com/android/launcher3/settings/SettingsActivity.java
@@ -52,7 +52,6 @@
 import com.android.launcher3.BuildConfig;
 import com.android.launcher3.LauncherFiles;
 import com.android.launcher3.R;
-import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.states.RotationHelper;
 import com.android.launcher3.uioverrides.flags.DeveloperOptionsUI;
 import com.android.launcher3.util.DisplayController;
@@ -238,7 +237,7 @@
         protected boolean initPreference(Preference preference) {
             switch (preference.getKey()) {
                 case NOTIFICATION_DOTS_PREFERENCE_KEY:
-                    return !WidgetsModel.GO_DISABLE_NOTIFICATION_DOTS;
+                    return BuildConfig.NOTIFICATION_DOTS_ENABLED;
 
                 case ALLOW_ROTATION_PREFERENCE_KEY:
                     DisplayController.Info info =
diff --git a/src/com/android/launcher3/shortcuts/ShortcutRequest.java b/src/com/android/launcher3/shortcuts/ShortcutRequest.java
index 21efceb..015d54d 100644
--- a/src/com/android/launcher3/shortcuts/ShortcutRequest.java
+++ b/src/com/android/launcher3/shortcuts/ShortcutRequest.java
@@ -16,7 +16,7 @@
 
 package com.android.launcher3.shortcuts;
 
-import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 
 import android.content.ComponentName;
 import android.content.Context;
@@ -47,7 +47,7 @@
             | ShortcutQuery.FLAG_MATCH_MANIFEST;
     public static final int PINNED = ShortcutQuery.FLAG_MATCH_PINNED;
 
-    private final ShortcutQuery mQuery = GO_DISABLE_WIDGETS ? null : new ShortcutQuery();
+    private final ShortcutQuery mQuery = !WIDGETS_ENABLED ? null : new ShortcutQuery();
 
     private final Context mContext;
     private final UserHandle mUserHandle;
@@ -74,7 +74,7 @@
      * @return A list of ShortcutInfo's associated with the given package.
      */
     public ShortcutRequest forPackage(String packageName, @Nullable List<String> shortcutIds) {
-        if (!GO_DISABLE_WIDGETS && packageName != null) {
+        if (WIDGETS_ENABLED && packageName != null) {
             mQuery.setPackage(packageName);
             mQuery.setShortcutIds(shortcutIds);
         }
@@ -82,7 +82,7 @@
     }
 
     public ShortcutRequest withContainer(@Nullable ComponentName activity) {
-        if (!GO_DISABLE_WIDGETS) {
+        if (WIDGETS_ENABLED) {
             if (activity == null) {
                 mFailed = true;
             } else {
@@ -93,7 +93,7 @@
     }
 
     public QueryResult query(int flags) {
-        if (GO_DISABLE_WIDGETS || mFailed) {
+        if (!WIDGETS_ENABLED || mFailed) {
             return QueryResult.DEFAULT;
         }
         mQuery.setQueryFlags(flags);
@@ -109,7 +109,7 @@
 
     public static class QueryResult extends ArrayList<ShortcutInfo> {
 
-        static final QueryResult DEFAULT = new QueryResult(GO_DISABLE_WIDGETS);
+        static final QueryResult DEFAULT = new QueryResult(!WIDGETS_ENABLED);
 
         private final boolean mWasSuccess;
 
diff --git a/src/com/android/launcher3/util/GridOccupancy.java b/src/com/android/launcher3/util/GridOccupancy.java
index 43e486c..f248e58 100644
--- a/src/com/android/launcher3/util/GridOccupancy.java
+++ b/src/com/android/launcher3/util/GridOccupancy.java
@@ -7,7 +7,7 @@
 /**
  * Utility object to manage the occupancy in a grid.
  */
-public class GridOccupancy extends AbsGridOccupancy {
+public class GridOccupancy {
 
     private final int mCountX;
     private final int mCountY;
@@ -30,7 +30,24 @@
      * @return true if a vacant cell was found
      */
     public boolean findVacantCell(int[] vacantOut, int spanX, int spanY) {
-        return super.findVacantCell(vacantOut, cells, mCountX, mCountY, spanX, spanY);
+        for (int y = 0; (y + spanY) <= mCountY; y++) {
+            for (int x = 0; (x + spanX) <= mCountX; x++) {
+                boolean available = !cells[x][y];
+                out:
+                for (int i = x; i < x + spanX; i++) {
+                    for (int j = y; j < y + spanY; j++) {
+                        available = available && !cells[i][j];
+                        if (!available) break out;
+                    }
+                }
+                if (available) {
+                    vacantOut[0] = x;
+                    vacantOut[1] = y;
+                    return true;
+                }
+            }
+        }
+        return false;
     }
 
     public void copyTo(GridOccupancy dest) {
diff --git a/src/com/android/launcher3/util/ShortcutUtil.java b/src/com/android/launcher3/util/ShortcutUtil.java
index 91cf835..07b7941 100644
--- a/src/com/android/launcher3/util/ShortcutUtil.java
+++ b/src/com/android/launcher3/util/ShortcutUtil.java
@@ -15,9 +15,10 @@
  */
 package com.android.launcher3.util;
 
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
+
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.shortcuts.ShortcutKey;
@@ -34,7 +35,7 @@
      * Returns true when we should show depp shortcuts in shortcut menu for the item.
      */
     public static boolean supportsDeepShortcuts(ItemInfo info) {
-        return isActive(info) && isApp(info) && !WidgetsModel.GO_DISABLE_WIDGETS;
+        return isActive(info) && isApp(info) && !!WIDGETS_ENABLED;
     }
 
     /**
diff --git a/src/com/android/launcher3/views/ActivityContext.java b/src/com/android/launcher3/views/ActivityContext.java
index 31f5d65..bf43a22 100644
--- a/src/com/android/launcher3/views/ActivityContext.java
+++ b/src/com/android/launcher3/views/ActivityContext.java
@@ -17,12 +17,12 @@
 
 import static android.window.SplashScreen.SPLASH_SCREEN_STYLE_SOLID_COLOR;
 
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 import static com.android.launcher3.LauncherSettings.Animation.DEFAULT_NO_ICON;
 import static com.android.launcher3.Utilities.allowBGLaunch;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_KEYBOARD_CLOSED;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_PENDING_INTENT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_TAP;
-import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
@@ -389,7 +389,7 @@
         boolean isShortcut = (item instanceof WorkspaceItemInfo)
                 && item.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT
                 && !((WorkspaceItemInfo) item).isPromise();
-        if (isShortcut && GO_DISABLE_WIDGETS) {
+        if (isShortcut && !WIDGETS_ENABLED) {
             return null;
         }
         ActivityOptionsWrapper options = v != null ? getActivityLaunchOptions(v, item)
diff --git a/src/com/android/launcher3/views/OptionsPopupView.java b/src/com/android/launcher3/views/OptionsPopupView.java
index 5cdad03..62eed5c 100644
--- a/src/com/android/launcher3/views/OptionsPopupView.java
+++ b/src/com/android/launcher3/views/OptionsPopupView.java
@@ -17,6 +17,7 @@
 
 import static androidx.core.content.ContextCompat.getColorStateList;
 
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 import static com.android.launcher3.LauncherState.EDIT_MODE;
 import static com.android.launcher3.config.FeatureFlags.MULTI_SELECT_EDIT_MODE;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.IGNORE;
@@ -47,7 +48,6 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.logging.StatsLogManager.EventEnum;
-import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.popup.ArrowPopup;
 import com.android.launcher3.shortcuts.DeepShortcutView;
@@ -207,7 +207,7 @@
                 R.drawable.ic_palette,
                 IGNORE,
                 OptionsPopupView::startWallpaperPicker));
-        if (!WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (WIDGETS_ENABLED) {
             options.add(new OptionItem(launcher,
                     R.string.widget_button_text,
                     R.drawable.ic_widget,
diff --git a/src/com/android/launcher3/widget/LauncherWidgetHolder.java b/src/com/android/launcher3/widget/LauncherWidgetHolder.java
index 0fb4e09..a5e22c5 100644
--- a/src/com/android/launcher3/widget/LauncherWidgetHolder.java
+++ b/src/com/android/launcher3/widget/LauncherWidgetHolder.java
@@ -17,6 +17,7 @@
 
 import static android.app.Activity.RESULT_CANCELED;
 
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
 import static com.android.launcher3.Flags.enableWorkspaceInflation;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.widget.LauncherAppWidgetProviderInfo.fromProviderInfo;
@@ -40,7 +41,6 @@
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.testing.TestLogging;
 import com.android.launcher3.testing.shared.TestProtocol;
@@ -100,7 +100,7 @@
      * Starts listening to the widget updates from the server side
      */
     public void startListening() {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             return;
         }
 
@@ -177,7 +177,7 @@
      * @return The allocated app widget id if allocation is successful, returns -1 otherwise
      */
     public int allocateAppWidgetId() {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             return AppWidgetManager.INVALID_APPWIDGET_ID;
         }
 
@@ -210,7 +210,7 @@
      */
     public void startConfigActivity(@NonNull BaseDraggingActivity activity, int widgetId,
             int requestCode) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             sendActionCancelled(activity, requestCode);
             return;
         }
@@ -261,7 +261,7 @@
      */
     public void startBindFlow(@NonNull BaseActivity activity,
             int appWidgetId, @NonNull AppWidgetProviderInfo info, int requestCode) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             sendActionCancelled(activity, requestCode);
             return;
         }
@@ -279,7 +279,7 @@
      * Stop the host from listening to the widget updates
      */
     public void stopListening() {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             return;
         }
         mWidgetHost.stopListening();
diff --git a/src/com/android/launcher3/widget/WidgetInflater.kt b/src/com/android/launcher3/widget/WidgetInflater.kt
index dd50b71..271c9c2 100644
--- a/src/com/android/launcher3/widget/WidgetInflater.kt
+++ b/src/com/android/launcher3/widget/WidgetInflater.kt
@@ -17,11 +17,11 @@
 package com.android.launcher3.widget
 
 import android.content.Context
+import com.android.launcher3.BuildConfig
 import com.android.launcher3.Launcher
 import com.android.launcher3.LauncherAppState
 import com.android.launcher3.backuprestore.LauncherRestoreEventLogger.RestoreError
 import com.android.launcher3.logging.FileLog
-import com.android.launcher3.model.WidgetsModel
 import com.android.launcher3.model.data.LauncherAppWidgetInfo
 import com.android.launcher3.qsb.QsbContainerView
 
@@ -55,7 +55,7 @@
             // The widget id is not valid. Try to find the widget based on the provider info.
             appWidgetInfo = widgetHelper.findProvider(item.providerName, item.user)
             if (appWidgetInfo == null) {
-                if (WidgetsModel.GO_DISABLE_WIDGETS) {
+                if (!BuildConfig.WIDGETS_ENABLED) {
                     removalReason = "widgets are disabled on go device."
                     logReason = RestoreError.WIDGETS_DISABLED
                 } else {
diff --git a/src/com/android/launcher3/widget/WidgetManagerHelper.java b/src/com/android/launcher3/widget/WidgetManagerHelper.java
index ba7e075..d293d15 100644
--- a/src/com/android/launcher3/widget/WidgetManagerHelper.java
+++ b/src/com/android/launcher3/widget/WidgetManagerHelper.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.widget;
 
+import static com.android.launcher3.BuildConfig.WIDGETS_ENABLED;
+
 import android.annotation.TargetApi;
 import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
@@ -31,7 +33,6 @@
 import androidx.annotation.RequiresApi;
 
 import com.android.launcher3.logging.FileLog;
-import com.android.launcher3.model.WidgetsModel;
 import com.android.launcher3.model.data.LauncherAppWidgetInfo;
 import com.android.launcher3.pm.UserCache;
 import com.android.launcher3.util.PackageUserKey;
@@ -87,7 +88,7 @@
      */
     @TargetApi(Build.VERSION_CODES.O)
     public List<AppWidgetProviderInfo> getAllProviders(@Nullable PackageUserKey packageUser) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             return Collections.emptyList();
         }
 
@@ -112,7 +113,7 @@
      */
     public boolean bindAppWidgetIdIfAllowed(int appWidgetId, AppWidgetProviderInfo info,
             Bundle options) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             return false;
         }
         if (appWidgetId <= LauncherAppWidgetInfo.CUSTOM_WIDGET_ID) {
@@ -123,7 +124,7 @@
     }
 
     public LauncherAppWidgetProviderInfo findProvider(ComponentName provider, UserHandle user) {
-        if (WidgetsModel.GO_DISABLE_WIDGETS) {
+        if (!WIDGETS_ENABLED) {
             return null;
         }
         for (AppWidgetProviderInfo info :
@@ -139,8 +140,8 @@
      * Returns if a AppWidgetProvider has marked a widget restored
      */
     public boolean isAppWidgetRestored(int appWidgetId) {
-        return !WidgetsModel.GO_DISABLE_WIDGETS && mAppWidgetManager.getAppWidgetOptions(
-                appWidgetId).getBoolean(WIDGET_OPTION_RESTORE_COMPLETED);
+        return WIDGETS_ENABLED && mAppWidgetManager.getAppWidgetOptions(appWidgetId)
+                .getBoolean(WIDGET_OPTION_RESTORE_COMPLETED);
     }
 
 
diff --git a/src_build_config/com/android/launcher3/BuildConfig.java b/src_build_config/com/android/launcher3/BuildConfig.java
index 3841969..6d4f56d 100644
--- a/src_build_config/com/android/launcher3/BuildConfig.java
+++ b/src_build_config/com/android/launcher3/BuildConfig.java
@@ -35,4 +35,9 @@
      * Flag to control various developer centric features
      */
     public static final boolean IS_DEBUG_DEVICE = false;
+
+    // Flag to control widgets support in Launcher
+    public static final boolean WIDGETS_ENABLED = true;
+    // Flag to control notification dots support in Launcher
+    public static final boolean NOTIFICATION_DOTS_ENABLED = true;
 }
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java b/src_no_quickstep/com/android/launcher3/uioverrides/ApiWrapper.java
similarity index 100%
rename from src_ui_overrides/com/android/launcher3/uioverrides/ApiWrapper.java
rename to src_no_quickstep/com/android/launcher3/uioverrides/ApiWrapper.java
diff --git a/src_no_quickstep/com/android/launcher3/uioverrides/PredictedAppIconInflater.java b/src_no_quickstep/com/android/launcher3/uioverrides/PredictedAppIconInflater.java
new file mode 100644
index 0000000..4893c17
--- /dev/null
+++ b/src_no_quickstep/com/android/launcher3/uioverrides/PredictedAppIconInflater.java
@@ -0,0 +1,29 @@
+/*
+ * 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.launcher3.uioverrides;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.android.launcher3.model.data.WorkspaceItemInfo;
+
+/** A util class that inflates a predicted app icon */
+public class PredictedAppIconInflater {
+    public static View inflate(LayoutInflater inflater, ViewGroup parent, WorkspaceItemInfo info) {
+        return null;
+    }
+}
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java b/src_no_quickstep/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java
similarity index 100%
rename from src_ui_overrides/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java
rename to src_no_quickstep/com/android/launcher3/uioverrides/flags/DeveloperOptionsUI.java
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/flags/FlagsFactory.java b/src_no_quickstep/com/android/launcher3/uioverrides/flags/FlagsFactory.java
similarity index 100%
rename from src_ui_overrides/com/android/launcher3/uioverrides/flags/FlagsFactory.java
rename to src_no_quickstep/com/android/launcher3/uioverrides/flags/FlagsFactory.java
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/plugins/PluginManagerWrapper.java b/src_no_quickstep/com/android/launcher3/uioverrides/plugins/PluginManagerWrapper.java
similarity index 100%
rename from src_ui_overrides/com/android/launcher3/uioverrides/plugins/PluginManagerWrapper.java
rename to src_no_quickstep/com/android/launcher3/uioverrides/plugins/PluginManagerWrapper.java
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/states/AllAppsState.java b/src_no_quickstep/com/android/launcher3/uioverrides/states/AllAppsState.java
similarity index 100%
rename from src_ui_overrides/com/android/launcher3/uioverrides/states/AllAppsState.java
rename to src_no_quickstep/com/android/launcher3/uioverrides/states/AllAppsState.java
diff --git a/src_ui_overrides/com/android/launcher3/uioverrides/states/OverviewState.java b/src_no_quickstep/com/android/launcher3/uioverrides/states/OverviewState.java
similarity index 100%
rename from src_ui_overrides/com/android/launcher3/uioverrides/states/OverviewState.java
rename to src_no_quickstep/com/android/launcher3/uioverrides/states/OverviewState.java
diff --git a/src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java b/src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java
deleted file mode 100644
index 7e73ab5..0000000
--- a/src_shortcuts_overrides/com/android/launcher3/model/LauncherBinder.java
+++ /dev/null
@@ -1,59 +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.launcher3.model;
-
-import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
-
-import com.android.launcher3.LauncherAppState;
-import com.android.launcher3.model.BgDataModel.Callbacks;
-import com.android.launcher3.util.ComponentKey;
-import com.android.launcher3.widget.model.WidgetsListBaseEntry;
-
-import java.util.HashMap;
-import java.util.List;
-
-/**
- * Binds the results of {@link com.android.launcher3.model.LoaderTask} to the Callbacks objects.
- */
-public class LauncherBinder extends BaseLauncherBinder {
-
-    public LauncherBinder(LauncherAppState app, BgDataModel dataModel,
-            AllAppsList allAppsList, Callbacks[] callbacks) {
-        super(app, dataModel, allAppsList, callbacks, MAIN_EXECUTOR);
-    }
-
-    @Override
-    public void bindDeepShortcuts() {
-        final HashMap<ComponentKey, Integer> shortcutMapCopy;
-        synchronized (mBgDataModel) {
-            shortcutMapCopy = new HashMap<>(mBgDataModel.deepShortcutMap);
-        }
-        executeCallbacksTask(c -> c.bindDeepShortcutMap(shortcutMapCopy), mUiExecutor);
-    }
-
-    @Override
-    public void bindWidgets() {
-        final List<WidgetsListBaseEntry> widgets =
-                mBgDataModel.widgetsModel.getWidgetsListForPicker(mApp.getContext());
-        executeCallbacksTask(c -> c.bindAllWidgets(widgets), mUiExecutor);
-    }
-
-    @Override
-    public void bindSmartspaceWidget() {
-        executeCallbacksTask(c -> c.bindSmartspaceWidget(), mUiExecutor);
-    }
-}
diff --git a/src_shortcuts_overrides/com/android/launcher3/util/AbsGridOccupancy.java b/src_shortcuts_overrides/com/android/launcher3/util/AbsGridOccupancy.java
deleted file mode 100644
index 968b281..0000000
--- a/src_shortcuts_overrides/com/android/launcher3/util/AbsGridOccupancy.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2022 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.launcher3.util;
-
-/**
- * Defines method to find the next vacant cell on a grid.
- * This uses the default top-down, left-right approach and can be over-written through
- * code swaps in different launchers.
- */
-public abstract class AbsGridOccupancy {
-    /**
-     * Find the first vacant cell, if there is one.
-     *
-     * @param vacantOut Holds the x and y coordinate of the vacant cell
-     * @param spanX Horizontal cell span.
-     * @param spanY Vertical cell span.
-     *
-     * @return true if a vacant cell was found
-     */
-    protected boolean findVacantCell(int[] vacantOut, boolean[][] cells, int countX, int countY,
-            int spanX, int spanY) {
-        for (int y = 0; (y + spanY) <= countY; y++) {
-            for (int x = 0; (x + spanX) <= countX; x++) {
-                boolean available = !cells[x][y];
-                out:
-                for (int i = x; i < x + spanX; i++) {
-                    for (int j = y; j < y + spanY; j++) {
-                        available = available && !cells[i][j];
-                        if (!available) break out;
-                    }
-                }
-                if (available) {
-                    vacantOut[0] = x;
-                    vacantOut[1] = y;
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-}
diff --git a/tests/Android.bp b/tests/Android.bp
index eeafdba..c1d4180 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -168,20 +168,6 @@
     ],
 }
 
-android_library {
-    name: "Launcher3Lib",
-    srcs: [
-        ":launcher-src",
-        ":launcher-src_shortcuts_overrides",
-        ":launcher-src_ui_overrides",
-    ],
-    static_libs: [
-        "Launcher3CommonDepsLib",
-    ],
-    // TODO(b/319712088): re-enable use_resource_processor
-    use_resource_processor: false,
-}
-
 android_robolectric_test {
     enabled: true,
     name: "Launcher3RoboTests",
diff --git a/tests/src/com/android/launcher3/model/LoaderTaskTest.kt b/tests/src/com/android/launcher3/model/LoaderTaskTest.kt
index e2ca31f..bbe8265 100644
--- a/tests/src/com/android/launcher3/model/LoaderTaskTest.kt
+++ b/tests/src/com/android/launcher3/model/LoaderTaskTest.kt
@@ -46,7 +46,7 @@
     @Mock private lateinit var app: LauncherAppState
     @Mock private lateinit var bgAllAppsList: AllAppsList
     @Mock private lateinit var modelDelegate: ModelDelegate
-    @Mock private lateinit var launcherBinder: LauncherBinder
+    @Mock private lateinit var launcherBinder: BaseLauncherBinder
     @Mock private lateinit var launcherModel: LauncherModel
     @Mock private lateinit var transaction: LoaderTransaction
     @Mock private lateinit var iconCache: IconCache