diff --git a/account_invoice_currency/invoice.py b/account_invoice_currency/invoice.py
index c45cbbb91..724bf4b23 100644
--- a/account_invoice_currency/invoice.py
+++ b/account_invoice_currency/invoice.py
@@ -144,6 +144,5 @@ class account_invoice(orm.Model):
                 },
             multi='cc_all'),
     }
-account_invoice()
 
 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: