--- src/calibre/constants.py.orig	2014-01-24 05:56:21.000000000 +0100
+++ src/calibre/constants.py	2014-01-29 00:21:48.318819375 +0100
@@ -138,7 +138,6 @@
                 'freetype',
                 'woff',
                 'unrar',
-                'qt_hack',
                 '_regex',
                 'hunspell',
                 '_patiencediff_c',