diff --git a/backend/open_webui/retrieval/vector/dbs/milvus.py b/backend/open_webui/retrieval/vector/dbs/milvus.py
index cb4c6a11d..336dc056a 100644
--- a/backend/open_webui/retrieval/vector/dbs/milvus.py
+++ b/backend/open_webui/retrieval/vector/dbs/milvus.py
@@ -1,4 +1,3 @@
-import os # Added import
 from pymilvus import MilvusClient as Client
 from pymilvus import FieldSchema, DataType
 import json