--- a/mobile/android/base/java/org/mozilla/gecko/GeckoApp.java
+++ b/mobile/android/base/java/org/mozilla/gecko/GeckoApp.java
@@ -2712,56 +2712,16 @@ public abstract class GeckoApp
         mRestartOnShutdown = restart;
 
         // Shut down the activity and then Gecko.
         if (!isFinishing() && (Versions.preJBMR1 || !isDestroyed())) {
             finish();
         }
     }
 
-    @Override
-    public void doRestart() {
-        doRestart(null, null);
-    }
-
-    public void doRestart(String args) {
-        doRestart(args, null);
-    }
-
-    public void doRestart(Intent intent) {
-        doRestart(null, intent);
-    }
-
-    public void doRestart(String args, Intent restartIntent) {
-        if (restartIntent == null) {
-            restartIntent = new Intent(Intent.ACTION_MAIN);
-        }
-
-        if (args != null) {
-            restartIntent.putExtra("args", args);
-        }
-
-        mRestartIntent = restartIntent;
-        Log.d(LOGTAG, "doRestart(\"" + restartIntent + "\")");
-
-        doShutdown();
-    }
-
-    private void doShutdown() {
-        // Shut down GeckoApp activity.
-        runOnUiThread(new Runnable() {
-            @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
-            @Override public void run() {
-                if (!isFinishing() && (Versions.preJBMR1 || !isDestroyed())) {
-                    finish();
-                }
-            }
-        });
-    }
-
     private void checkMigrateProfile() {
         final File profileDir = getProfile().getDir();
 
         if (profileDir != null) {
             ThreadUtils.postToBackgroundThread(new Runnable() {
                 @Override
                 public void run() {
                     Handler handler = new Handler();

--- a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/BaseGeckoInterface.java
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/BaseGeckoInterface.java
@@ -44,20 +44,16 @@ public class BaseGeckoInterface implemen
     }
 
     @Override
     public String getDefaultUAString() {
         return HardwareUtils.isTablet() ? BuildConfig.USER_AGENT_GECKOVIEW_TABLET :
                                           BuildConfig.USER_AGENT_GECKOVIEW_MOBILE;
     }
 
-    // Bug 908775: Implement this
-    @Override
-    public void doRestart() {}
-
     @Override
     public void setFullScreen(final boolean fullscreen) {
         // This API doesn't make sense for GeckoView, so we do nothing for now.
     }
 
     // Bug 908779: Implement this
     @Override
     public void addPluginView(final View view) {}

--- a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/GeckoAppShell.java
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/GeckoAppShell.java
@@ -1665,17 +1665,16 @@ public class GeckoAppShell
         public void onOrientationChanged();
     }
 
     public interface GeckoInterface {
         public @NonNull EventDispatcher getAppEventDispatcher();
         public GeckoProfile getProfile();
         public Activity getActivity();
         public String getDefaultUAString();
-        public void doRestart();
 
         /**
          * This API doesn't make sense for arbitrary GeckoView consumers. In future, consider an
          * API like Android WebView's, which provides a View to the consumer to display fullscreen.
          * See <a href="https://developer.android.com/reference/android/webkit/WebChromeClient.html#onShowCustomView(android.view.View,%20android.webkit.WebChromeClient.CustomViewCallback)">https://developer.android.com/reference/android/webkit/WebChromeClient.html#onShowCustomView(android.view.View,%20android.webkit.WebChromeClient.CustomViewCallback)</a>.
          */
         public void setFullScreen(boolean fullscreen);
         public void addPluginView(View view);