diff --git a/go/src_flags/com/android/launcher3/config/FeatureFlags.java b/go/src_flags/com/android/launcher3/config/FeatureFlags.java
index a1b644c..5bb2ac9 100644
--- a/go/src_flags/com/android/launcher3/config/FeatureFlags.java
+++ b/go/src_flags/com/android/launcher3/config/FeatureFlags.java
@@ -19,50 +19,10 @@
 /**
  * Defines a set of flags used to control various launcher behaviors
  */
-public final class FeatureFlags {
-
-    public static final boolean IS_DOGFOOD_BUILD = false;
+public final class FeatureFlags extends BaseFlags {
 
     private FeatureFlags() {}
 
-    // Custom flags go below this
-    public static boolean LAUNCHER3_DISABLE_ICON_NORMALIZATION = false;
-    public static boolean LAUNCHER3_LEGACY_FOLDER_ICON = false;
-    public static boolean LAUNCHER3_DISABLE_PINCH_TO_OVERVIEW = false;
-    public static boolean LAUNCHER3_ALL_APPS_PULL_UP = true;
-    public static boolean LAUNCHER3_NEW_FOLDER_ANIMATION = true;
-    // When enabled allows to use any point on the fast scrollbar to start dragging.
-    public static boolean LAUNCHER3_DIRECT_SCROLL = true;
-    // When enabled while all-apps open, the soft input will be set to adjust resize .
-    public static boolean LAUNCHER3_UPDATE_SOFT_INPUT_MODE = true;
-    // When enabled the promise icon is visible in all apps while installation an app.
-    public static boolean LAUNCHER3_PROMISE_APPS_IN_ALL_APPS = false;
-    // When enabled uses the AllAppsRadialGradientAndScrimDrawable for all apps
-    public static boolean LAUNCHER3_GRADIENT_ALL_APPS = true;
-    // When enabled allows use of physics based motions in the Launcher.
-    public static boolean LAUNCHER3_PHYSICS = true;
-    // When enabled allows use of spring motions on the icons.
-    public static boolean LAUNCHER3_SPRING_ICONS = true;
-
-    // Feature flag to enable moving the QSB on the 0th screen of the workspace.
-    public static final boolean QSB_ON_FIRST_SCREEN = true;
-    // When enabled the all-apps icon is not added to the hotseat.
-    public static final boolean NO_ALL_APPS_ICON = true;
-    // When enabled fling down gesture on the first workspace triggers search.
-    public static final boolean PULLDOWN_SEARCH = false;
-    // When enabled the status bar may show dark icons based on the top of the wallpaper.
-    public static final boolean LIGHT_STATUS_BAR = false;
-    // When enabled icons are badged with the number of notifications associated with that app.
-    public static final boolean BADGE_ICONS = true;
-    // When enabled, icons not supporting {@link AdaptiveIconDrawable} will be wrapped in {@link FixedScaleDrawable}.
-    public static final boolean LEGACY_ICON_TREATMENT = true;
-    // When enabled, adaptive icons would have shadows baked when being stored to icon cache.
-    public static final boolean ADAPTIVE_ICON_SHADOW = true;
-    // When enabled, app discovery will be enabled if service is implemented
-    public static final boolean DISCOVERY_ENABLED = false;
-    // When enabled, the qsb will be moved to the hotseat.
-    public static final boolean QSB_IN_HOTSEAT = true;
-
     // Features to control Launcher3Go behavior
     public static final boolean GO_DISABLE_WIDGETS = true;
 }
diff --git a/src/com/android/launcher3/config/BaseFlags.java b/src/com/android/launcher3/config/BaseFlags.java
new file mode 100644
index 0000000..9e0a3b3
--- /dev/null
+++ b/src/com/android/launcher3/config/BaseFlags.java
@@ -0,0 +1,73 @@
+/*
+ * 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.config;
+
+/**
+ * Defines a set of flags used to control various launcher behaviors.
+ *
+ * All the flags should be defined here with appropriate default values. To override a value,
+ * redefine it in {@link FeatureFlags}.
+ *
+ * This class is kept package-private to prevent direct access.
+ */
+abstract class BaseFlags {
+
+    BaseFlags() {}
+
+    public static final boolean IS_DOGFOOD_BUILD = false;
+
+    // Custom flags go below this
+    public static boolean LAUNCHER3_DISABLE_ICON_NORMALIZATION = false;
+    public static boolean LAUNCHER3_LEGACY_FOLDER_ICON = false;
+    public static boolean LAUNCHER3_DISABLE_PINCH_TO_OVERVIEW = false;
+    public static boolean LAUNCHER3_ALL_APPS_PULL_UP = true;
+    public static boolean LAUNCHER3_NEW_FOLDER_ANIMATION = true;
+    // When enabled allows to use any point on the fast scrollbar to start dragging.
+    public static final boolean LAUNCHER3_DIRECT_SCROLL = true;
+    // When enabled while all-apps open, the soft input will be set to adjust resize .
+    public static final boolean LAUNCHER3_UPDATE_SOFT_INPUT_MODE = true;
+    // When enabled the promise icon is visible in all apps while installation an app.
+    public static final boolean LAUNCHER3_PROMISE_APPS_IN_ALL_APPS = false;
+    // When enabled uses the AllAppsRadialGradientAndScrimDrawable for all apps
+    public static final boolean LAUNCHER3_GRADIENT_ALL_APPS = true;
+    // When enabled allows use of physics based motions in the Launcher.
+    public static final boolean LAUNCHER3_PHYSICS = true;
+    // When enabled allows use of spring motions on the icons.
+    public static final boolean LAUNCHER3_SPRING_ICONS = true;
+
+    // Feature flag to enable moving the QSB on the 0th screen of the workspace.
+    public static final boolean QSB_ON_FIRST_SCREEN = true;
+    // When enabled the all-apps icon is not added to the hotseat.
+    public static final boolean NO_ALL_APPS_ICON = true;
+    // When enabled fling down gesture on the first workspace triggers search.
+    public static final boolean PULLDOWN_SEARCH = false;
+    // When enabled the status bar may show dark icons based on the top of the wallpaper.
+    public static final boolean LIGHT_STATUS_BAR = false;
+    // When enabled icons are badged with the number of notifications associated with that app.
+    public static final boolean BADGE_ICONS = true;
+    // When enabled, icons not supporting {@link AdaptiveIconDrawable} will be wrapped in {@link FixedScaleDrawable}.
+    public static final boolean LEGACY_ICON_TREATMENT = true;
+    // When enabled, adaptive icons would have shadows baked when being stored to icon cache.
+    public static final boolean ADAPTIVE_ICON_SHADOW = true;
+    // When enabled, app discovery will be enabled if service is implemented
+    public static final boolean DISCOVERY_ENABLED = false;
+    // When enabled, the qsb will be moved to the hotseat.
+    public static final boolean QSB_IN_HOTSEAT = true;
+
+    // Features to control Launcher3Go behavior
+    public static final boolean GO_DISABLE_WIDGETS = false;
+}
diff --git a/src_flags/com/android/launcher3/config/FeatureFlags.java b/src_flags/com/android/launcher3/config/FeatureFlags.java
index 69840ed..3ffb6c9 100644
--- a/src_flags/com/android/launcher3/config/FeatureFlags.java
+++ b/src_flags/com/android/launcher3/config/FeatureFlags.java
@@ -19,51 +19,7 @@
 /**
  * Defines a set of flags used to control various launcher behaviors
  */
-public final class FeatureFlags {
-
-    public static final boolean IS_DOGFOOD_BUILD = false;
+public final class FeatureFlags extends BaseFlags {
 
     private FeatureFlags() {}
-
-    // Custom flags go below this
-    public static boolean LAUNCHER3_DISABLE_ICON_NORMALIZATION = false;
-    public static boolean LAUNCHER3_LEGACY_FOLDER_ICON = false;
-    public static boolean LAUNCHER3_DISABLE_PINCH_TO_OVERVIEW = false;
-    public static boolean LAUNCHER3_ALL_APPS_PULL_UP = true;
-    public static boolean LAUNCHER3_NEW_FOLDER_ANIMATION = true;
-    // When enabled allows to use any point on the fast scrollbar to start dragging.
-    public static boolean LAUNCHER3_DIRECT_SCROLL = true;
-    // When enabled while all-apps open, the soft input will be set to adjust resize .
-    public static boolean LAUNCHER3_UPDATE_SOFT_INPUT_MODE = true;
-    // When enabled the promise icon is visible in all apps while installation an app.
-    public static boolean LAUNCHER3_PROMISE_APPS_IN_ALL_APPS = false;
-    // When enabled uses the AllAppsRadialGradientAndScrimDrawable for all apps
-    public static boolean LAUNCHER3_GRADIENT_ALL_APPS = true;
-    // When enabled allows use of physics based motions in the Launcher.
-    public static boolean LAUNCHER3_PHYSICS = true;
-    // When enabled allows use of spring motions on the icons.
-    public static boolean LAUNCHER3_SPRING_ICONS = true;
-
-    // Feature flag to enable moving the QSB on the 0th screen of the workspace.
-    public static final boolean QSB_ON_FIRST_SCREEN = true;
-    // When enabled the all-apps icon is not added to the hotseat.
-    public static final boolean NO_ALL_APPS_ICON = true;
-    // When enabled fling down gesture on the first workspace triggers search.
-    public static final boolean PULLDOWN_SEARCH = false;
-    // When enabled the status bar may show dark icons based on the top of the wallpaper.
-    public static final boolean LIGHT_STATUS_BAR = false;
-    // When enabled icons are badged with the number of notifications associated with that app.
-    public static final boolean BADGE_ICONS = true;
-    // When enabled, icons not supporting {@link AdaptiveIconDrawable} will be wrapped in {@link FixedScaleDrawable}.
-    public static final boolean LEGACY_ICON_TREATMENT = true;
-    // When enabled, adaptive icons would have shadows baked when being stored to icon cache.
-    public static final boolean ADAPTIVE_ICON_SHADOW = true;
-    // When enabled, app discovery will be enabled if service is implemented
-    public static final boolean DISCOVERY_ENABLED = false;
-    // When enabled, the qsb will be moved to the hotseat.
-    public static final boolean QSB_IN_HOTSEAT = true;
-
-    // Features to control Launcher3Go behavior
-    public static final boolean GO_DISABLE_WIDGETS = false;
-
 }