diff --git a/addons/base_vat/__openerp__.py b/addons/base_vat/__openerp__.py
index dda64ed584d..c538a419241 100644
--- a/addons/base_vat/__openerp__.py
+++ b/addons/base_vat/__openerp__.py
@@ -39,9 +39,6 @@ checking the validity of VAT Number assigned to partners in European countries.
     'active': False,
     'certificate': '0084849360989',
     'images': ['images/1_partner_vat.jpeg'],
-    'external_dependencies': {
-        'python' : ['vatnumber'],
-    }
 }
 
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
diff --git a/addons/base_vat/base_vat.py b/addons/base_vat/base_vat.py
index 4909afceb2f..e02a4c8d5b9 100644
--- a/addons/base_vat/base_vat.py
+++ b/addons/base_vat/base_vat.py
@@ -21,16 +21,13 @@
 ##############################################################################
 
 import string
+import datetime
 import vatnumber
 import re
-import datetime
 
 from osv import osv, fields
 from tools.misc import ustr
 from tools.translate import _
-from tools.misc import ustr
-import re
-import datetime
 
 _ref_vat = {
     'be': 'BE0477472701', 'at': 'ATU12345675',