diff --git a/product/ERP5/Document/Order.py b/product/ERP5/Document/Order.py
index 14ce40294e21456f85e493a1202f311281f458c2..0e9fdfdd3b146ce1e2139e5c7d45d03adefdf982 100644
--- a/product/ERP5/Document/Order.py
+++ b/product/ERP5/Document/Order.py
@@ -28,7 +28,6 @@
 ##############################################################################
 
 from AccessControl import ClassSecurityInfo
-from Products.CMFCore.WorkflowCore import WorkflowMethod
 from Products.CMFCore.utils import getToolByName
 from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
 from Products.ERP5Type.Base import Base
diff --git a/product/ERP5/Document/RoleDefinition.py b/product/ERP5/Document/RoleDefinition.py
index 00cf075bd66eeeab7a39cc3e0b54f401bbc4632b..710add130c22ce86218b822a0d08f85884dae28f 100644
--- a/product/ERP5/Document/RoleDefinition.py
+++ b/product/ERP5/Document/RoleDefinition.py
@@ -27,7 +27,6 @@
 
 from AccessControl import ClassSecurityInfo
 from Products.CMFCore.utils import getToolByName
-from Products.CMFCore.WorkflowCore import WorkflowMethod
 from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
 from Products.ERP5Type.XMLObject import XMLObject
 
diff --git a/product/ERP5/Document/SupplyChain.py b/product/ERP5/Document/SupplyChain.py
index d80537373131c34146a22369fe3b6848ee1e8891..1c0d77840079727ab5be98e1a29c71748c38dcfd 100644
--- a/product/ERP5/Document/SupplyChain.py
+++ b/product/ERP5/Document/SupplyChain.py
@@ -28,7 +28,6 @@
 
 from Globals import InitializeClass, PersistentMapping
 from Products.CMFCore.utils import getToolByName
-from Products.CMFCore.WorkflowCore import WorkflowMethod
 from AccessControl import ClassSecurityInfo
 from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
 from Products.ERP5Type.XMLObject import XMLObject
diff --git a/product/ERP5/Document/SupplyRule.py b/product/ERP5/Document/SupplyRule.py
index cc18ac40f7e5296e50b39e4a0d89292be1e46a3f..0ff020ca93beacfd7c61124184720768fc571f4f 100644
--- a/product/ERP5/Document/SupplyRule.py
+++ b/product/ERP5/Document/SupplyRule.py
@@ -29,7 +29,6 @@
 from Globals import InitializeClass, PersistentMapping
 from AccessControl import ClassSecurityInfo
 
-from Products.CMFCore.WorkflowCore import WorkflowMethod
 from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
 from Products.ERP5Type.XMLMatrix import XMLMatrix
 from Products.ERP5.Document.MappedValue import MappedValue