diff --git a/uom.py b/uom.py
index ea32a7fcda..2c30d751be 100644
--- a/uom.py
+++ b/uom.py
@@ -79,12 +79,6 @@ class Uom(ModelSQL, ModelView):
                     'Invalid Factor and Rate values in UOM "%s".'),
                 })
 
-    @classmethod
-    def __post_setup__(cls):
-        super(Uom, cls).__post_setup__()
-        if 'category' not in cls._fields:
-            print cls, cls._fields
-
     @classmethod
     def check_xml_record(cls, records, values):
         return True