diff --git a/src/yunohost/certificate.py b/src/yunohost/certificate.py
index 6a5397e99..a2726e84f 100644
--- a/src/yunohost/certificate.py
+++ b/src/yunohost/certificate.py
@@ -31,7 +31,6 @@ import grp
 import smtplib
 import requests
 import subprocess
-import socket
 import dns.resolver
 import glob