diff --git a/addons/mrp/mrp.py b/addons/mrp/mrp.py
index cee60e63023..751cf384b6e 100644
--- a/addons/mrp/mrp.py
+++ b/addons/mrp/mrp.py
@@ -19,8 +19,6 @@
 #
 ##############################################################################
 
-from itertools import groupby
-from operator import itemgetter
 from datetime import datetime
 from osv import osv, fields
 from tools.translate import _
diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index fe984b10f22..4f760936e11 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -2008,7 +2008,6 @@ class stock_move(osv.osv):
         for id in ids:
             wf_service.trg_trigger(uid, 'stock.move', id, cr)
 
-        picking_obj = self.pool.get('stock.picking')
         wf_service = netsvc.LocalService("workflow")
         for pick_id in picking_ids:
             wf_service.trg_write(uid, 'stock.picking', pick_id, cr)