diff --git a/mobile/chrome/content/browser.js b/mobile/chrome/content/browser.js
index c53d947d29c1..3776886d5296 100644
--- a/mobile/chrome/content/browser.js
+++ b/mobile/chrome/content/browser.js
@@ -35,6 +35,7 @@
  * the terms of any one of the MPL, the GPL or the LGPL.
  *
  * ***** END LICENSE BLOCK ***** */
+"use strict";
 
 let Cc = Components.classes;
 let Ci = Components.interfaces;
@@ -1088,9 +1089,9 @@ var BrowserEventHandler = {
         if (/^about:/.test(aEvent.originalTarget.documentURI)) {
           let browser = BrowserApp.getBrowserForDocument(aEvent.originalTarget);
           browser.addEventListener("click", ErrorPageEventHandler, false);
-          browser.addEventListener("pagehide", function () {
+          browser.addEventListener("pagehide", function listener() {
             browser.removeEventListener("click", ErrorPageEventHandler, false);
-            browser.removeEventListener("pagehide", arguments.callee, true);
+            browser.removeEventListener("pagehide", listener, true);
           }, true);
         }
         break;
diff --git a/widget/src/android/AndroidBridge.h b/widget/src/android/AndroidBridge.h
index 66aba2a3b979..2201fba96dca 100644
--- a/widget/src/android/AndroidBridge.h
+++ b/widget/src/android/AndroidBridge.h
@@ -378,7 +378,6 @@ protected:
     jmethodID jHandleGeckoMessage;
     jmethodID jCheckUriVisited;
     jmethodID jMarkUriVisited;
-    jmethodID jEmitGeckoAccessibilityEvent;
     jmethodID jEnableBatteryNotifications;
     jmethodID jDisableBatteryNotifications;
     jmethodID jGetCurrentBatteryInformation;