diff --git a/purchase_request.py b/purchase_request.py
index 0006b2991f..ea93779ea3 100644
--- a/purchase_request.py
+++ b/purchase_request.py
@@ -4,8 +4,7 @@ from trytond.osv import fields, OSV
 from trytond.wizard import Wizard, WizardOSV
 import datetime
 
-# TODO ensure that the link p_request p_line is never inconsistent
-# (uom, qty, product, ...).
+
 class PurchaseRequest(OSV):
     'Purchase Request'
     _name = 'purchase.request'