assuming this call to map_delete_outputs was supposed to be to map_delete_inputs
diff --git a/xos/openstack_observer/syncstep.py b/xos/openstack_observer/syncstep.py
index 7954bb7..66225d0 100644
--- a/xos/openstack_observer/syncstep.py
+++ b/xos/openstack_observer/syncstep.py
@@ -150,7 +150,7 @@
         except AttributeError:
             pass
 
-        tenant_fields = self.map_delete_outputs(o)
+        tenant_fields = self.map_delete_inputs(o)
 
         main_objs=self.observes
         if (type(main_objs) is list):