diff --git a/product/ERP5/Document/PaySheetCell.py b/product/ERP5/Document/PaySheetCell.py
index c34ff88858b6cd1ba826a1f0683ea36c00207477..4e8afe49e86a7e2552361eadf0965f734b0b46d8 100644
--- a/product/ERP5/Document/PaySheetCell.py
+++ b/product/ERP5/Document/PaySheetCell.py
@@ -26,13 +26,9 @@
 #
 ##############################################################################
 
-from Globals import InitializeClass, PersistentMapping
 from AccessControl import ClassSecurityInfo
-
-from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
-
+from Products.ERP5Type import Permissions, PropertySheet, Interface
 from Products.ERP5.Document.InvoiceCell import InvoiceCell
-
 from zLOG import LOG
 
 class PaySheetCell(InvoiceCell):
diff --git a/product/ERP5/Document/PaySheetLine.py b/product/ERP5/Document/PaySheetLine.py
index 0ee7f1c8942031200b36226b070a403d90585403..1f2761778c7d820d43a38c3486746398676b0196 100644
--- a/product/ERP5/Document/PaySheetLine.py
+++ b/product/ERP5/Document/PaySheetLine.py
@@ -26,14 +26,9 @@
 #
 ##############################################################################
 
-from Globals import InitializeClass, PersistentMapping
 from AccessControl import ClassSecurityInfo
-
-from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
-
+from Products.ERP5Type import Permissions, PropertySheet, Interface
 from Products.ERP5.Document.InvoiceLine import InvoiceLine
-from Products.ERP5.Variated import Variated
-
 from zLOG import LOG
 
 class PaySheetLine(InvoiceLine):
diff --git a/product/ERP5/Document/PaySheetModelSlice.py b/product/ERP5/Document/PaySheetModelSlice.py
index 5dc4e2905879d75d25e3fd1d09a767d29349d6b5..61e03d380182e9019b05dff3ea97b7a4a5cbc225 100644
--- a/product/ERP5/Document/PaySheetModelSlice.py
+++ b/product/ERP5/Document/PaySheetModelSlice.py
@@ -26,15 +26,9 @@
 #
 ##############################################################################
 
-from Globals import InitializeClass, PersistentMapping
 from AccessControl import ClassSecurityInfo
-from Acquisition import aq_base
-
-from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
-from Products.ERP5Type.Base import Base
-
+from Products.ERP5Type import Permissions, PropertySheet, Interface
 from Products.ERP5.Document.DeliveryCell import DeliveryCell
-
 from zLOG import LOG
 
 class PaySheetModelSlice(DeliveryCell):
diff --git a/product/ERP5/Document/PaySheetTransaction.py b/product/ERP5/Document/PaySheetTransaction.py
index d18677e4cc35f0d1112e626db09803358ad88e12..39db4d5fd2cdc0f4d0b08f11e52d40e9a46ac79b 100644
--- a/product/ERP5/Document/PaySheetTransaction.py
+++ b/product/ERP5/Document/PaySheetTransaction.py
@@ -27,7 +27,7 @@
 ##############################################################################
 
 from AccessControl import ClassSecurityInfo
-from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
+from Products.ERP5Type import Permissions, PropertySheet
 from Products.ERP5.Document.Invoice import Invoice
 from Products.ERP5Type.Utils import cartesianProduct
 from zLOG import LOG, DEBUG, INFO
diff --git a/product/ERP5/Document/PaySheetTransactionLine.py b/product/ERP5/Document/PaySheetTransactionLine.py
index f0ea4b969a2554c1d4d24561e0fd13e595d50b8e..fa10abee7f34f83218b17a6942560c76b93a2873 100644
--- a/product/ERP5/Document/PaySheetTransactionLine.py
+++ b/product/ERP5/Document/PaySheetTransactionLine.py
@@ -26,10 +26,8 @@
 #
 ##############################################################################
 
-from Globals import InitializeClass, PersistentMapping
 from AccessControl import ClassSecurityInfo
-
-from Products.ERP5Type import Permissions, PropertySheet, Constraint, Interface
+from Products.ERP5Type import Permissions, PropertySheet
 from Products.ERP5.Document.AccountingTransactionLine import AccountingTransactionLine
 
 class PaySheetTransactionLine(AccountingTransactionLine):