diff --git a/addons/purchase/invoice.py b/addons/purchase/invoice.py
index 91472da8653..6b8b278edda 100644
--- a/addons/purchase/invoice.py
+++ b/addons/purchase/invoice.py
@@ -113,15 +113,6 @@ class AccountInvoice(models.Model):
                     res.extend(self._anglo_saxon_purchase_move_lines(i_line, res))
         return res
 
-    @api.model
-    def _anglo_saxon_sale_move_lines(self, i_line):
-        for sale_line in i_line.sale_line_ids:
-            for proc in sale_line.procurement_ids:
-                if proc.purchase_line_id:
-                    #if the invoice line is related to sale order lines having one of its procurement_ids with a purchase_line_id set, it means that it is a confirmed dropship and in that case we mustn't create the cost of sale line (because the product won't enter the stock)
-                    return []
-        return super(AccountInvoice, self)._anglo_saxon_sale_move_lines(i_line)
-
     @api.model
     def _anglo_saxon_purchase_move_lines(self, i_line, res):
         """Return the additional move lines for purchase invoices and refunds.