diff -r e1ce0866afe9 -r 9ae707db5265 hooks/integrity.py
--- a/hooks/integrity.py	Tue Nov 24 14:05:50 2015 +0100
+++ b/hooks/integrity.py	Tue Nov 24 14:08:47 2015 +0100
@@ -339,4 +339,3 @@
                         if rschema.symmetric]
     EnsureSymmetricRelationsAdd.__select__ = hook.Hook.__select__ & hook.match_rtype(*symmetric_rtypes)
     EnsureSymmetricRelationsDelete.__select__ = hook.Hook.__select__ & hook.match_rtype(*symmetric_rtypes)
-