diff --git a/addons/sale_layout/models/sale_layout.py b/addons/sale_layout/models/sale_layout.py
index ed42fabb991..d2b5777c059 100644
--- a/addons/sale_layout/models/sale_layout.py
+++ b/addons/sale_layout/models/sale_layout.py
@@ -84,10 +84,6 @@ class AccountInvoiceLine(osv.Model):
     sale_layout_cat_id = openerp.fields.Many2one('sale_layout.category', string='Section')
     categ_sequence = openerp.fields.Integer(related='sale_layout_cat_id.sequence',
                                             string='Layout Sequence', store=True)
-    _defaults = {
-        'categ_sequence': 0
-    }
-
 
 class SaleOrder(osv.Model):
     _inherit = 'sale.order'
@@ -117,10 +113,6 @@ class SaleOrderLine(osv.Model):
         #  Store is intentionally set in order to keep the "historic" order.
     }
 
-    _defaults = {
-        'categ_sequence': 0
-    }
-
     _order = 'order_id, categ_sequence, sale_layout_cat_id, sequence, id'
 
     def _prepare_order_line_invoice_line(self, cr, uid, line, account_id=False, context=None):