diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index 3895fd39667..908720eccd1 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -697,10 +697,6 @@ class purchase_order_line(osv.osv):
         default.update({'state':'draft', 'move_ids':[],'invoiced':0,'invoice_lines':[]})
         return super(purchase_order_line, self).copy_data(cr, uid, id, default, context)
 
-
-    def _onchange_check_partner_pricelist(self, pricelist_id, partner_id):
-        return True 
-
     def onchange_product_uom(self, cr, uid, ids, pricelist_id, product_id, qty, uom_id,
             partner_id, date_order=False, fiscal_position_id=False, date_planned=False,
             name=False, price_unit=False, notes=False, context=None):