--- a/setup.py	Tue Mar 17 16:04:14 2015 +0100
+++ b/setup.py	Tue Mar 17 16:05:03 2015 +0100
@@ -81,7 +81,6 @@
           'zope.datetime',
           'zope.interface',
           'zope.schema',
-          'zope.security',
           'zope.site',
           'zope.traversing'
       ],