diff --git a/product/ERP5Form/CreatePropertySheet.py b/product/ERP5Form/CreatePropertySheet.py
index 8a71c77cad1d996e780f337e89d3a87da0b91c40..3dbe3e621da2d5df972c7a4ba55ed6a7f04de939 100644
--- a/product/ERP5Form/CreatePropertySheet.py
+++ b/product/ERP5Form/CreatePropertySheet.py
@@ -119,12 +119,9 @@ class %(class_name)s :
     }
       
     string = self.copyright_text + """
-from AccessControl import ClassSecurityInfo
 from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
-from Products.ERP5Type.Utils import assertAttributePortalType
 from Products.ERP5Type.XMLObject import XMLObject
 from Products.ERP5.Core.Node import Node
-from Products.ERP5.Document.Entity import Entity
     
 class %(class_name)s(Node, XMLObject):
   \"\"\"An %(portal_type_name)s object holds the information about