diff --git a/maubot/db.py b/maubot/db.py
index 0e46c27..6a4f82b 100644
--- a/maubot/db.py
+++ b/maubot/db.py
@@ -21,7 +21,6 @@ import json
 
 from mautrix.types import UserID, FilterID, SyncToken, ContentURI
 from mautrix.client.api.types.util import Serializable
-from mautrix import ClientStore
 
 from .command_spec import CommandSpec