diff --git a/product/ERP5/Document/BusinessTemplate.py b/product/ERP5/Document/BusinessTemplate.py
index 71b904f838518f6bcba002dabf8d30ad50b440da..cdb5fa0c4d9bb0687cffe76a17d85bb9dd67b184 100644
--- a/product/ERP5/Document/BusinessTemplate.py
+++ b/product/ERP5/Document/BusinessTemplate.py
@@ -37,7 +37,7 @@ from AccessControl import ClassSecurityInfo, Unauthorized, getSecurityManager
 from Products.CMFCore.utils import getToolByName
 from Products.PythonScripts.PythonScript import PythonScript
 from Products.ERP5Type.Accessor.Constant import PropertyGetter as ConstantGetter
-from Products.ERP5Type.Base import WorkflowMethod, _aq_reset
+from Products.ERP5Type.Base import WorkflowMethod
 from Products.ERP5Type.Utils import readLocalDocument, \
                                     writeLocalDocument, \
                                     importLocalDocument, \
@@ -3701,8 +3701,6 @@ class PropertySheetTemplateItem(DocumentTemplateItem,
       # migrated
       update_parameter_dict[key] = 'migrate'
 
-    transaction.commit()
-
   def install(self, context, **kw):
     if not self._perform_migration:
       return DocumentTemplateItem.install(self, context, **kw)