--- a/server/schemahooks.py	Thu Sep 17 19:38:04 2009 +0200
+++ b/server/schemahooks.py	Fri Sep 18 11:24:37 2009 +0200
@@ -759,8 +759,7 @@
 
 def after_del_eetype(session, eid):
     # workflow cleanup
-    session.execute('DELETE State X WHERE NOT X state_of Y')
-    session.execute('DELETE Transition X WHERE NOT X transition_of Y')
+    session.execute('DELETE Workflow X WHERE NOT X workflow_of Y')
 
 
 def before_del_ertype(session, eid):