diff --git a/src/com/android/launcher3/IconCache.java b/src/com/android/launcher3/IconCache.java
index 0c91a71..77d9045 100644
--- a/src/com/android/launcher3/IconCache.java
+++ b/src/com/android/launcher3/IconCache.java
@@ -49,10 +49,8 @@
 
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
-import java.util.Map.Entry;
 import java.util.Stack;
 
 /**
@@ -367,13 +365,6 @@
     }
 
     /**
-     * Empty out the cache.
-     */
-    public synchronized void flush() {
-        mCache.clear();
-    }
-
-    /**
      * Fetches high-res icon for the provided ItemInfo and updates the caller when done.
      * @return a request ID that can be used to cancel the request.
      */
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 5dd64e0..7f63f7b 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -111,11 +111,8 @@
 import com.android.launcher3.widget.WidgetHostViewLoader;
 import com.android.launcher3.widget.WidgetsContainerView;
 
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
 import java.io.File;
 import java.io.FileDescriptor;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
@@ -309,8 +306,6 @@
     private boolean mHasFocus = false;
     private boolean mAttached = false;
 
-    @Thunk static LocaleConfiguration sLocaleConfiguration = null;
-
     private static LongArrayMap<FolderInfo> sFolders = new LongArrayMap<>();
 
     private View.OnTouchListener mHapticFeedbackTouchListener;
@@ -468,7 +463,6 @@
                     Environment.getExternalStorageDirectory() + "/launcher");
         }
 
-        checkForLocaleChange();
         setContentView(R.layout.launcher);
 
         setupViews();
@@ -606,108 +600,6 @@
         }
     }
 
-    @Thunk void checkForLocaleChange() {
-        if (sLocaleConfiguration == null) {
-            new AsyncTask<Void, Void, LocaleConfiguration>() {
-                @Override
-                protected LocaleConfiguration doInBackground(Void... unused) {
-                    LocaleConfiguration localeConfiguration = new LocaleConfiguration();
-                    readConfiguration(Launcher.this, localeConfiguration);
-                    return localeConfiguration;
-                }
-
-                @Override
-                protected void onPostExecute(LocaleConfiguration result) {
-                    sLocaleConfiguration = result;
-                    checkForLocaleChange();  // recursive, but now with a locale configuration
-                }
-            }.execute();
-            return;
-        }
-
-        final Configuration configuration = getResources().getConfiguration();
-
-        final String previousLocale = sLocaleConfiguration.locale;
-        final String locale = configuration.locale.toString();
-
-        final int previousMcc = sLocaleConfiguration.mcc;
-        final int mcc = configuration.mcc;
-
-        final int previousMnc = sLocaleConfiguration.mnc;
-        final int mnc = configuration.mnc;
-
-        boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc;
-
-        if (localeChanged) {
-            sLocaleConfiguration.locale = locale;
-            sLocaleConfiguration.mcc = mcc;
-            sLocaleConfiguration.mnc = mnc;
-
-            mIconCache.flush();
-
-            final LocaleConfiguration localeConfiguration = sLocaleConfiguration;
-            new AsyncTask<Void, Void, Void>() {
-                public Void doInBackground(Void ... args) {
-                    writeConfiguration(Launcher.this, localeConfiguration);
-                    return null;
-                }
-            }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, (Void) null);
-        }
-    }
-
-    @Thunk static class LocaleConfiguration {
-        public String locale;
-        public int mcc = -1;
-        public int mnc = -1;
-    }
-
-    @Thunk static void readConfiguration(Context context, LocaleConfiguration configuration) {
-        DataInputStream in = null;
-        try {
-            in = new DataInputStream(context.openFileInput(LauncherFiles.LAUNCHER_PREFERENCES));
-            configuration.locale = in.readUTF();
-            configuration.mcc = in.readInt();
-            configuration.mnc = in.readInt();
-        } catch (FileNotFoundException e) {
-            // Ignore
-        } catch (IOException e) {
-            // Ignore
-        } finally {
-            if (in != null) {
-                try {
-                    in.close();
-                } catch (IOException e) {
-                    // Ignore
-                }
-            }
-        }
-    }
-
-    @Thunk static void writeConfiguration(Context context, LocaleConfiguration configuration) {
-        DataOutputStream out = null;
-        try {
-            out = new DataOutputStream(context.openFileOutput(
-                    LauncherFiles.LAUNCHER_PREFERENCES, MODE_PRIVATE));
-            out.writeUTF(configuration.locale);
-            out.writeInt(configuration.mcc);
-            out.writeInt(configuration.mnc);
-            out.flush();
-        } catch (FileNotFoundException e) {
-            // Ignore
-        } catch (IOException e) {
-            //noinspection ResultOfMethodCallIgnored
-            context.getFileStreamPath(LauncherFiles.LAUNCHER_PREFERENCES).delete();
-        } finally {
-            if (out != null) {
-                try {
-                    out.close();
-                } catch (IOException e) {
-                    // Ignore
-                }
-            }
-        }
-    }
-
     public Stats getStats() {
         return mStats;
     }
diff --git a/src/com/android/launcher3/LauncherFiles.java b/src/com/android/launcher3/LauncherFiles.java
index 03ec4bf..c08cd0b 100644
--- a/src/com/android/launcher3/LauncherFiles.java
+++ b/src/com/android/launcher3/LauncherFiles.java
@@ -17,7 +17,6 @@
     public static final String DEFAULT_WALLPAPER_THUMBNAIL = "default_thumb2.jpg";
     public static final String DEFAULT_WALLPAPER_THUMBNAIL_OLD = "default_thumb.jpg";
     public static final String LAUNCHER_DB = "launcher.db";
-    public static final String LAUNCHER_PREFERENCES = "launcher.preferences";
     public static final String SHARED_PREFERENCES_KEY = "com.android.launcher3.prefs";
     public static final String WALLPAPER_CROP_PREFERENCES_KEY =
             "com.android.launcher3.WallpaperCropActivity";
@@ -31,7 +30,6 @@
             DEFAULT_WALLPAPER_THUMBNAIL,
             DEFAULT_WALLPAPER_THUMBNAIL_OLD,
             LAUNCHER_DB,
-            LAUNCHER_PREFERENCES,
             SHARED_PREFERENCES_KEY + XML,
             WALLPAPER_CROP_PREFERENCES_KEY + XML,
             WALLPAPER_IMAGES_DB,
@@ -43,5 +41,6 @@
     public static final List<String> OBSOLETE_FILES = Collections.unmodifiableList(Arrays.asList(
             "launches.log",
             "stats.log",
+            "launcher.preferences",
             "com.android.launcher3.compat.PackageInstallerCompatV16.queue"));
 }