diff --git a/addons/mail/mail_thread.py b/addons/mail/mail_thread.py
index 0531ecbde773ca172c041712edf1796bf77764fc..00a1bd18e426f257f07d1e6caaa286a880390682 100644
--- a/addons/mail/mail_thread.py
+++ b/addons/mail/mail_thread.py
@@ -35,7 +35,6 @@ import re
 import socket
 import time
 import xmlrpclib
-import re
 from email.message import Message
 from email.utils import formataddr
 from urllib import urlencode