diff --git a/application/retriever/classic_rag.py b/application/retriever/classic_rag.py
index 810bb179..499a4b7e 100644
--- a/application/retriever/classic_rag.py
+++ b/application/retriever/classic_rag.py
@@ -1,4 +1,3 @@
-import os
 from application.retriever.base import BaseRetriever
 from application.core.settings import settings
 from application.vectorstore.vector_creator import VectorCreator