diff --git a/addons/account/account.py b/addons/account/account.py
index 1033f02f841..eb5b227979b 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -20,7 +20,7 @@
 ##############################################################################
 
 import time
-from datetime import datetime, timedelta
+from datetime import datetime
 from dateutil.relativedelta import relativedelta
 from operator import itemgetter
 
diff --git a/addons/account/account_bank_statement.py b/addons/account/account_bank_statement.py
index aa4f45bad58..1859d055e78 100644
--- a/addons/account/account_bank_statement.py
+++ b/addons/account/account_bank_statement.py
@@ -423,8 +423,6 @@ account_bank_statement()
 class account_bank_statement_line(osv.osv):
 
     def onchange_type(self, cr, uid, line_id, partner_id, type, context=None):
-        res_users_obj = self.pool.get('res.users')
-        res_currency_obj = self.pool.get('res.currency')
         res = {'value': {}}
         obj_partner = self.pool.get('res.partner')
         if context is None:
diff --git a/addons/account/wizard/account_report_aged_partner_balance.py b/addons/account/wizard/account_report_aged_partner_balance.py
index 8c7e6988b5a..5eb1f0f5a2e 100644
--- a/addons/account/wizard/account_report_aged_partner_balance.py
+++ b/addons/account/wizard/account_report_aged_partner_balance.py
@@ -45,7 +45,6 @@ class account_aged_trial_balance(osv.osv_memory):
     }
 
     def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False, submenu=False):
-        mod_obj = self.pool.get('ir.model.data')
         res = super(account_aged_trial_balance, self).fields_view_get(cr, uid, view_id=view_id, view_type=view_type, context=context, toolbar=toolbar, submenu=False)
         doc = etree.XML(res['arch'])
         nodes = doc.xpath("//field[@name='journal_ids']")
diff --git a/addons/account_followup/wizard/account_followup_print.py b/addons/account_followup/wizard/account_followup_print.py
index 6b58cebdae1..18c455ac07a 100644
--- a/addons/account_followup/wizard/account_followup_print.py
+++ b/addons/account_followup/wizard/account_followup_print.py
@@ -107,7 +107,7 @@ class account_followup_stat_by_partner(osv.osv):
                     l.reconcile_id is NULL AND
                     l.partner_id IS NOT NULL
                     GROUP BY
-                    l.partner_id, l.company_id 
+                    l.partner_id, l.company_id
             )""")
 account_followup_stat_by_partner()
 
@@ -212,10 +212,8 @@ class account_followup_print_all(osv.osv_memory):
         model_data_ids = mod_obj.search(cr, uid, [('model','=','ir.ui.view'),('name','=','view_account_followup_print_all_msg')], context=context)
         resource_id = mod_obj.read(cr, uid, model_data_ids, fields=['res_id'], context=context)[0]['res_id']
         if data['email_conf']:
-            mail_notsent = ''
             msg_sent = ''
             msg_unsent = ''
-            count = 0
             data_user = user_obj.browse(cr, uid, uid)
             move_lines = line_obj.browse(cr, uid, data['partner_ids'])
             partners = []
diff --git a/addons/account_payment/wizard/account_payment_order.py b/addons/account_payment/wizard/account_payment_order.py
index aedef85de5e..aaec72e37f7 100644
--- a/addons/account_payment/wizard/account_payment_order.py
+++ b/addons/account_payment/wizard/account_payment_order.py
@@ -100,7 +100,7 @@ class payment_order_create(osv.osv_memory):
             context = {}
         data = self.read(cr, uid, ids, [], context=context)[0]
         search_due_date = data['duedate']
-        payment = order_obj.browse(cr, uid, context['active_id'], context=context)
+#        payment = order_obj.browse(cr, uid, context['active_id'], context=context)
 
         # Search for move line to pay:
         domain = [('reconcile_id', '=', False), ('account_id.type', '=', 'payable'), ('amount_to_pay', '>', 0)]