diff --git a/jazzband/db.py b/jazzband/db.py
index a23333bc..51ed5d6b 100644
--- a/jazzband/db.py
+++ b/jazzband/db.py
@@ -1,12 +1,7 @@
-from collections import deque
-from contextlib import contextmanager
-
 from flask_redis import FlaskRedis
 from flask_sqlalchemy import Model, SQLAlchemy
 from walrus import Walrus
 
-from .exceptions import Rollback
-
 
 class JazzbandModel(Model):
     @classmethod