diff --git a/ycast/server.py b/ycast/server.py
index ac4163f..92bc589 100644
--- a/ycast/server.py
+++ b/ycast/server.py
@@ -1,6 +1,5 @@
 import logging
 
-import yaml
 from flask import Flask, request, url_for
 
 import ycast.vtuner as vtuner