diff --git a/mozilla/browser/base/content/browser.js b/mozilla/browser/base/content/browser.js
index 0c2d726a954..af23158552c 100644
--- a/mozilla/browser/base/content/browser.js
+++ b/mozilla/browser/base/content/browser.js
@@ -62,23 +62,10 @@ let Ci = Components.interfaces;
 let Cu = Components.utils;
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
-const kXULNS =
-    "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
-
 const nsIWebNavigation = Components.interfaces.nsIWebNavigation;
 
 const MAX_HISTORY_MENU_ITEMS = 15;
 
-// bookmark dialog features
-#ifdef XP_MACOSX
-const BROWSER_ADD_BM_FEATURES = "centerscreen,chrome,dialog,resizable,modal";
-#else
-const BROWSER_ADD_BM_FEATURES = "centerscreen,chrome,dialog,resizable,dependent";
-#endif
-
-const TYPE_MAYBE_FEED = "application/vnd.mozilla.maybe.feed";
-const TYPE_XUL = "application/vnd.mozilla.xul+xml";
-
 // We use this once, for Clear Private Data
 const GLUE_CID = "@mozilla.org/browser/browserglue;1";
 
diff --git a/mozilla/browser/components/preferences/advanced.js b/mozilla/browser/components/preferences/advanced.js
index 8f084b7ec27..592585c57e5 100644
--- a/mozilla/browser/components/preferences/advanced.js
+++ b/mozilla/browser/components/preferences/advanced.js
@@ -199,7 +199,7 @@ var gAdvancedPane = {
       if (perm.type == "offline-app" &&
           perm.capability != Components.interfaces.nsIPermissionManager.DEFAULT_ACTION &&
           perm.capability != Components.interfaces.nsIPermissionManager.DENY_ACTION) {
-        var row = document.createElementNS(kXULNS, "listitem");
+        var row = document.createElement("listitem");
         row.id = "";
         row.className = "listitem";
         row.setAttribute("label", perm.host);
diff --git a/mozilla/browser/components/preferences/applications.js b/mozilla/browser/components/preferences/applications.js
index c30a29adc24..6cb6cab8719 100755
--- a/mozilla/browser/components/preferences/applications.js
+++ b/mozilla/browser/components/preferences/applications.js
@@ -52,13 +52,13 @@
 var Cc = Components.classes;
 var Ci = Components.interfaces;
 var Cr = Components.results;
-var TYPE_MAYBE_FEED = "application/vnd.mozilla.maybe.feed";
 /*
 #endif
 */
 
-var TYPE_MAYBE_AUDIO_FEED = "application/vnd.mozilla.maybe.audio.feed";
-var TYPE_MAYBE_VIDEO_FEED = "application/vnd.mozilla.maybe.video.feed";
+const TYPE_MAYBE_FEED = "application/vnd.mozilla.maybe.feed";
+const TYPE_MAYBE_VIDEO_FEED = "application/vnd.mozilla.maybe.video.feed";
+const TYPE_MAYBE_AUDIO_FEED = "application/vnd.mozilla.maybe.audio.feed";
 
 const PREF_DISABLED_PLUGIN_TYPES = "plugin.disable_full_page_plugin_for_types";