diff --git a/cps/opds.py b/cps/opds.py
index c8ccdea9..180fcacb 100644
--- a/cps/opds.py
+++ b/cps/opds.py
@@ -34,7 +34,6 @@ from .pagination import Pagination
 from .web import render_read_books
 from .usermanagement import load_user_from_request
 from flask_babel import gettext as _
-from sqlalchemy.orm import InstrumentedAttribute
 opds = Blueprint('opds', __name__)
 
 log = logger.create()