diff --git a/flask/forest/panel/routes.py b/flask/forest/panel/routes.py
index f7cf054..4f2763f 100644
--- a/flask/forest/panel/routes.py
+++ b/flask/forest/panel/routes.py
@@ -9,7 +9,6 @@ from ..models import User, Permission, Item
 
 import base64
 from datetime import date, time, datetime
-from dateutil.relativedelta import relativedelta
 
 @panel.after_app_request
 def after_request(response):