diff --git a/src/yunohost/monitor.py b/src/yunohost/monitor.py
index 5142c8305..7fd5ff8e9 100644
--- a/src/yunohost/monitor.py
+++ b/src/yunohost/monitor.py
@@ -35,7 +35,7 @@ import errno
 import os
 import dns.resolver
 import cPickle as pickle
-from datetime import datetime, timedelta
+from datetime import datetime
 
 from moulinette.core import MoulinetteError
 from moulinette.utils.log import getActionLogger