diff --git a/addons/purchase/report/purchase_report.py b/addons/purchase/report/purchase_report.py
index e29eecdcb4b..5fa14e8c830 100644
--- a/addons/purchase/report/purchase_report.py
+++ b/addons/purchase/report/purchase_report.py
@@ -116,7 +116,6 @@ class purchase_order_qty_amount(osv.osv):
                           ('07','July'), ('08','August'), ('09','September'), ('10','October'), ('11','November'), ('12','December')],'Month',readonly=True),
         'total_qty' : fields.float('Total Qty'),
         'total_amount' : fields.float('Total Amount'),
-        'user_id':fields.many2one('res.users', 'Responsible', readonly=True),
 
         }
     def init(self, cr):
@@ -127,14 +126,13 @@ class purchase_order_qty_amount(osv.osv):
                     min(id) as id,
                     to_char(create_date, 'MM') as month,
                     sum(product_qty) as total_qty,
-                    create_uid as user_id,
                     sum(price_unit*product_qty) as total_amount
                 from
                     purchase_order_line
                 where
                     to_char(create_date,'YYYY') =  to_char(current_date,'YYYY')
                 group by
-                    to_char(create_date, 'MM'), create_uid
+                    to_char(create_date, 'MM')
 
             )
         """)
diff --git a/addons/purchase/report/purchase_report_view.xml b/addons/purchase/report/purchase_report_view.xml
index f80f5c8640d..2e6c393271d 100644
--- a/addons/purchase/report/purchase_report_view.xml
+++ b/addons/purchase/report/purchase_report_view.xml
@@ -141,7 +141,6 @@
                     <field name="month"/>
                     <field name="total_qty" />
                     <field name="total_amount"/>
-                    <field name="user_id"/>
                 </tree>
             </field>
         </record>