diff --git a/webui/tools/trees.py b/webui/tools/trees.py
index 51802ad..fd6fa27 100644
--- a/webui/tools/trees.py
+++ b/webui/tools/trees.py
@@ -1,4 +1,3 @@
-import json
 from typing import NamedTuple
 
 import streamlit as st