diff --git a/purchase_request.diff b/purchase_request.diff
deleted file mode 100644
index 88c47e1..0000000
--- a/purchase_request.diff
+++ /dev/null
@@ -1,13 +0,0 @@
-Index: imi/trytond/trytond/modules/purchase_request/purchase_request.py
-===================================================================
---- imi.orig/trytond/trytond/modules/purchase_request/purchase_request.py
-+++ imi/trytond/trytond/modules/purchase_request/purchase_request.py
-@@ -276,6 +276,8 @@ class PurchaseRequest(ModelSQL, ModelVie
-         pool = Pool()
-         Date = pool.get('ir.date')
-         today = Date.today()
-+        if not date:
-+            date = today
-         for product_supplier in product.product_suppliers_used(**pattern):
-             supply_date = product_supplier.compute_supply_date(date=today)
-             timedelta = date - supply_date
diff --git a/series b/series
index e941ffc..4357f46 100644
--- a/series
+++ b/series
@@ -5,7 +5,6 @@ issue3932.diff # [account] rule account move and account move line by company
 issue6253.diff # [account_invoice] add invoice type criteria
 issue4506.diff # [account_invoice] Add credit invoices keyword from account.invoice
 issue4030.diff # [analytic_account] Not selected root accounts in analytic account lines
-purchase_request.diff # [purchase_request] as shippment_date it's not required we need to ensure operation could be done
 
 issue4482.diff # [stock] stock inventory misses company access rule
 search_warehouse.diff #[stock] search function for warehouse.