diff --git a/addons/project_mrp/project_mrp.py b/addons/project_mrp/project_mrp.py
index 39adba6c4c6..26403b269d0 100644
--- a/addons/project_mrp/project_mrp.py
+++ b/addons/project_mrp/project_mrp.py
@@ -108,23 +108,3 @@ class sale_order(osv.osv):
         'picked_rate': fields.function(_picked_rate, method=True, string='Picked', type='float'),
     }
 
-sale_order()
-
-class mrp_production(osv.osv):
-    _inherit = 'mrp.production'
-
-    def _hook_create_post_procurement(self, cr, uid, production, procurement_id, context=None):
-        def get_parent_move(move):
-            if move.move_dest_id:
-                return get_parent_move(move.move_dest_id)
-            return move
-        
-        res =  super(mrp_production, self)._hook_create_post_procurement(cr, uid, production, procurement_id, context)
-        if production.move_prod_id:
-            parent_move_line = get_parent_move(production.move_prod_id)
-            if parent_move_line and parent_move_line.sale_line_id:
-                self.pool.get('procurement.order').write(cr, uid, procurement_id, {'sale_line_id': parent_move_line.sale_line_id.id})
-        return res
-
-mrp_production()
-# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: