diff --git a/addons/website_sale_stock/models/sale_order.py b/addons/website_sale_stock/models/sale_order.py
index 961f35ef0fc..9240c52d222 100644
--- a/addons/website_sale_stock/models/sale_order.py
+++ b/addons/website_sale_stock/models/sale_order.py
@@ -31,12 +31,6 @@ class SaleOrder(models.Model):
                         values['warning'] = self.warning_stock
         return values
 
-    def _website_product_id_change(self, order_id, product_id, qty=0, **kwargs):
-        res = super(SaleOrder, self)._website_product_id_change(order_id, product_id, qty=qty, **kwargs)
-        product = self.env['product.product'].browse(product_id)
-        res['customer_lead'] = product.sale_delay
-        return res
-
     def _get_stock_warning(self, clear=True):
         self.ensure_one()
         warn = self.warning_stock