diff --git a/scripts/change_url b/scripts/change_url
index 4ac066b..8222f09 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -19,8 +19,6 @@ old_path=$YNH_APP_OLD_PATH
 new_domain=$YNH_APP_NEW_DOMAIN
 new_path=$YNH_APP_NEW_PATH
 
-app=$YNH_APP_INSTANCE_NAME
-
 #=================================================
 # BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
 #=================================================