diff --git a/polynum/settings.py b/polynum/settings.py
index de898e3..5208ab8 100644
--- a/polynum/settings.py
+++ b/polynum/settings.py
@@ -134,7 +134,6 @@ INSTALLED_APPS = (
     'django.contrib.auth',
     'django.contrib.contenttypes',
     'django.contrib.sessions',
-    'django.contrib.sites',
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'django.contrib.formtools',