diff --git a/metagpt/document_store/base_store.py b/metagpt/document_store/base_store.py
index b719d1083..8228cfab7 100644
--- a/metagpt/document_store/base_store.py
+++ b/metagpt/document_store/base_store.py
@@ -8,8 +8,6 @@
 from abc import ABC, abstractmethod
 from pathlib import Path
 
-from metagpt.config import Config
-
 
 class BaseStore(ABC):
     """FIXME: consider add_index, set_index and think about granularity."""