diff --git a/addons/purchase_requisition/purchase_requisition.py b/addons/purchase_requisition/purchase_requisition.py
index 7f08e216739..cb2def0ae93 100644
--- a/addons/purchase_requisition/purchase_requisition.py
+++ b/addons/purchase_requisition/purchase_requisition.py
@@ -347,9 +347,7 @@ class purchase_requisition_line(osv.osv):
         'product_id': fields.many2one('product.product', 'Product' ),
         'product_uom_id': fields.many2one('product.uom', 'Product Unit of Measure'),
         'product_qty': fields.float('Quantity', digits_compute=dp.get_precision('Product Unit of Measure')),
-        'po_line_buy': fields.many2one('purchase.order.line', 'Purchase Order Line'),
         'requisition_id': fields.many2one('purchase.requisition','Call for Bids', ondelete='cascade'),
-        'po_line_ids': fields.related('requisition_id', 'po_line_ids', string='PO lines', readonly=True, type="one2many"),
         'company_id': fields.related('requisition_id','company_id',type='many2one',relation='res.company',string='Company', store=True, readonly=True),
         'account_analytic_id':fields.many2one('account.analytic.account', 'Analytic Account',),
         'schedule_date': fields.date('Scheduled Date'),