diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index b6ec85b7802..6a4f59a4003 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -137,8 +137,6 @@ class sale_order(osv.osv):
 		'project_id':fields.many2one('account.analytic.account', 'Profit/Cost Center', readonly=True, states={'draft':[('readonly', False)]}),
 
 		'order_line': fields.one2many('sale.order.line', 'order_id', 'Order Lines', readonly=True, states={'draft':[('readonly',False)]}),
-		'payment_line': fields.one2many('sale.order.payment', 'order_id', 'Order Payments', readonly=True, states={'draft':[('readonly',False)]}),
-
 		'invoice_ids': fields.many2many('account.invoice', 'sale_order_invoice_rel', 'order_id', 'invoice_id', 'Invoice', help="This is the list of invoices that have been generated for this sale order. The same sale order may have been invoiced in several times (by line for example)."),
 		'picking_ids': fields.one2many('stock.picking', 'sale_id', 'Picking List', readonly=True, help="This is the list of picking list that have been generated for this invoice"),