diff --git a/src/com/android/launcher3/AppWidgetsRestoredReceiver.java b/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
index 9fef7f9..80cb52d 100644
--- a/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
+++ b/src/com/android/launcher3/AppWidgetsRestoredReceiver.java
@@ -39,7 +39,7 @@
      */
     static void restoreAppWidgetIds(Context context, int[] oldWidgetIds, int[] newWidgetIds) {
         final ContentResolver cr = context.getContentResolver();
-        final List<Integer> idsToRemove = new ArrayList<>();
+        final List<Integer> idsToRemove = new ArrayList<Integer>();
         final AppWidgetManager widgets = AppWidgetManager.getInstance(context);
 
         for (int i = 0; i < oldWidgetIds.length; i++) {
diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 6e5832a..e115bf1 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -166,7 +166,8 @@
     static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>();
 
     // sPendingPackages is a set of packages which could be on sdcard and are not available yet
-    static final HashMap<UserHandleCompat, HashSet<String>> sPendingPackages = new HashMap<>();
+    static final HashMap<UserHandleCompat, HashSet<String>> sPendingPackages =
+            new HashMap<UserHandleCompat, HashSet<String>>();
 
     // </ only access in worker thread >
 
@@ -1988,7 +1989,7 @@
                                                     + " (check again later)", true);
                                             HashSet<String> pkgs = sPendingPackages.get(user);
                                             if (pkgs == null) {
-                                                pkgs = new HashSet<>();
+                                                pkgs = new HashSet<String>();
                                                 sPendingPackages.put(user, pkgs);
                                             }
                                             pkgs.add(cn.getPackageName());
@@ -2826,7 +2827,7 @@
                 ArrayList<String> packagesRemoved;
                 for (Entry<UserHandleCompat, HashSet<String>> entry : sPendingPackages.entrySet()) {
                     UserHandleCompat user = entry.getKey();
-                    packagesRemoved = new ArrayList<>();
+                    packagesRemoved = new ArrayList<String>();
                     for (String pkg : entry.getValue()) {
                         if (!launcherApps.isPackageEnabledForProfile(pkg, user)) {
                             Launcher.addDumpLog(TAG, "Package not found: " + pkg, true);
diff --git a/src/com/android/launcher3/Workspace.java b/src/com/android/launcher3/Workspace.java
index 1011588..6d9b34e 100644
--- a/src/com/android/launcher3/Workspace.java
+++ b/src/com/android/launcher3/Workspace.java
@@ -4829,7 +4829,7 @@
     void updateShortcutsAndWidgets(ArrayList<AppInfo> apps) {
         // Create a map of the apps to test against
         final HashMap<ComponentName, AppInfo> appsMap = new HashMap<ComponentName, AppInfo>();
-        final HashSet<String> pkgNames = new HashSet<>();
+        final HashSet<String> pkgNames = new HashSet<String>();
         for (AppInfo ai : apps) {
             appsMap.put(ai.componentName, ai);
             pkgNames.add(ai.componentName.getPackageName());
@@ -4881,7 +4881,7 @@
 
         if (state == ShortcutInfo.PACKAGE_STATE_DEFAULT) {
             // Update any pending widget
-            HashSet<String> packages = new HashSet<>();
+            HashSet<String> packages = new HashSet<String>();
             packages.add(pkgName);
             restorePendingWidgets(packages);
         }