diff --git a/openlp/core/ui/media/webkitplayer.py b/openlp/core/ui/media/webkitplayer.py
index 86c20e11d..338a1eae5 100644
--- a/openlp/core/ui/media/webkitplayer.py
+++ b/openlp/core/ui/media/webkitplayer.py
@@ -229,8 +229,6 @@ class WebkitPlayer(MediaPlayer):
         web = QtWebKit.QWebPage()
         # This script should return '[object HTMLVideoElement]' if the html5 video is available in webkit. Otherwise it
         # should return '[object HTMLUnknownElement]'
-        mf = web.mainFrame()
-
         return web.mainFrame().evaluateJavaScript(
             "Object.prototype.toString.call(document.createElement('video'));") == '[object HTMLVideoElement]'