diff --git a/scripts/change_url b/scripts/change_url
index 46de5ae..1add476 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -9,9 +9,6 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-timezone="$(cat /etc/timezone)"
-key=$(ynh_string_random --length=18)
-
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================