diff --git a/addons/event/event.py b/addons/event/event.py
index 88910f01914..63093099eea 100644
--- a/addons/event/event.py
+++ b/addons/event/event.py
@@ -19,12 +19,11 @@
 #
 ##############################################################################
 
+import time
+
 from crm import crm
 from osv import fields, osv
 from tools.translate import _
-import netsvc
-import pooler
-import time
 import tools
 import decimal_precision as dp
 
@@ -354,11 +353,8 @@ class event_registration(osv.osv):
 
         val_invoice = inv_pool.onchange_partner_id(cr, uid, [], 'out_invoice', reg.partner_invoice_id.id, False, False)
         val_invoice['value'].update({'partner_id': reg.partner_invoice_id.id})
-        partner_address_id = val_invoice['value']['address_invoice_id']
 
-        value = inv_lines_pool.product_id_change(cr, uid, [], reg.event_id.product_id.id, uom =False, partner_id=reg.partner_invoice_id.id, fposition_id=reg.partner_invoice_id.property_account_position.id)
-
-        l = inv_lines_pool.read(cr, uid, lines)
+        inv_lines_pool.product_id_change(cr, uid, [], reg.event_id.product_id.id, uom =False, partner_id=reg.partner_invoice_id.id, fposition_id=reg.partner_invoice_id.property_account_position.id)
 
         val_invoice['value'].update({
                 'origin': reg.event_product,
@@ -595,7 +591,6 @@ class event_registration(osv.osv):
         addr_obj = self.pool.get('res.partner.address')
         job_obj = self.pool.get('res.partner.job')
 
-        contact_id = contact_obj.browse(cr, uid, contact)
         if partner:
             partner_addresses = addr_obj.search(cr, uid, [('partner_id', '=', partner)])
             job_ids = job_obj.search(cr, uid, [('contact_id', '=', contact), ('address_id', 'in', partner_addresses)])
@@ -667,7 +662,6 @@ class event_registration(osv.osv):
                     data['contact_id'] = job_obj.browse(cr, uid, job_ids[0]).contact_id.id
                     d = self.onchange_contact_id(cr, uid, ids, data['contact_id'], part)
                     data.update(d['value'])
-        partner_data = res_obj.browse(cr, uid, part)
         return {'value': data}
 
     def onchange_partner_invoice_id(self, cr, uid, ids, event_id, partner_invoice_id):