diff --git a/addons/account/report/account_balance_landscape.py b/addons/account/report/account_balance_landscape.py
index 8576850ff5e..a11d3bc285d 100644
--- a/addons/account/report/account_balance_landscape.py
+++ b/addons/account/report/account_balance_landscape.py
@@ -207,7 +207,6 @@ class account_balance_landscape(report_sxw.rml_parse):
             return cmp(x.code, y.code)
         for n in range(0,len(accounts)):
             accounts[n].sort(cmp_code)
-        common={}
         merged_accounts=zip(*accounts)
 
         for entry in merged_accounts:
diff --git a/addons/account/report/account_partner_balance.py b/addons/account/report/account_partner_balance.py
index eacafb02eda..187b9b2578f 100644
--- a/addons/account/report/account_partner_balance.py
+++ b/addons/account/report/account_partner_balance.py
@@ -296,7 +296,6 @@ class partner_balance(report_sxw.rml_parse, common_report_header):
 
     def _get_partners(self):
         cr, uid = self.cr, self.uid
-        context = self.localcontext # all of it?
 
         if self.result_selection == 'customer':
             return _('Receivable Accounts')
diff --git a/addons/account/wizard/account_state_open.py b/addons/account/wizard/account_state_open.py
index 81705771d67..62e837b7366 100644
--- a/addons/account/wizard/account_state_open.py
+++ b/addons/account/wizard/account_state_open.py
@@ -36,7 +36,7 @@ class account_state_open(osv.osv_memory):
             if data_inv.reconciled:
                 raise osv.except_osv(_('Warning'), _('Invoice is already reconciled'))
             wf_service = netsvc.LocalService("workflow")
-            res = wf_service.trg_validate(uid, 'account.invoice', context['active_ids'][0], 'open_test', cr)
+            wf_service.trg_validate(uid, 'account.invoice', context['active_ids'][0], 'open_test', cr)
         return {'type': 'ir.actions.act_window_close'}
 
 account_state_open()
diff --git a/addons/account/wizard/account_use_model.py b/addons/account/wizard/account_use_model.py
index 15719dcf138..6e444b8b4e6 100644
--- a/addons/account/wizard/account_use_model.py
+++ b/addons/account/wizard/account_use_model.py
@@ -107,7 +107,7 @@ class account_use_model(osv.osv_memory):
                 })
                 c = context.copy()
                 c.update({'journal_id': model.journal_id.id,'period_id': period_id})
-                id_line = account_move_line_obj.create(cr, uid, val, context=c)
+                account_move_line_obj.create(cr, uid, val, context=c)
 
         context.update({'move_ids':move_ids})
         model_data_ids = mod_obj.search(cr, uid,[('model','=','ir.ui.view'),('name','=','view_move_form')], context=context)