diff --git a/Gruntfile.coffee b/Gruntfile.coffee
index 0e9f0cb62..1daa1bb1a 100755
--- a/Gruntfile.coffee
+++ b/Gruntfile.coffee
@@ -299,8 +299,6 @@ module.exports = (grunt) ->
         '-W093': true
         globals:
           Notification: true
-          webkitNotifications: true
-          HTMLDocument: true
           MediaError:   true
           Set:          true
           GM_getValue:  true