diff --git a/app/service/rest.py b/app/service/rest.py
index 409c27def..06ad37ed8 100644
--- a/app/service/rest.py
+++ b/app/service/rest.py
@@ -1,5 +1,5 @@
 import itertools
-from datetime import datetime, timedelta
+from datetime import datetime
 
 from flask import (
     jsonify,