diff --git a/wagtail/wagtailcore/models.py b/wagtail/wagtailcore/models.py
index 48875f09a..983661158 100644
--- a/wagtail/wagtailcore/models.py
+++ b/wagtail/wagtailcore/models.py
@@ -1,5 +1,3 @@
-import sys
-import os
 from StringIO import StringIO
 from urlparse import urlparse