diff --git a/antarest/study/repository.py b/antarest/study/repository.py
index 1a540786e2..7728e7068b 100644
--- a/antarest/study/repository.py
+++ b/antarest/study/repository.py
@@ -3,7 +3,7 @@
 import typing as t
 
 from pydantic import BaseModel, NonNegativeInt
-from sqlalchemy import func, not_, or_, select  # type: ignore
+from sqlalchemy import func, not_, or_  # type: ignore
 from sqlalchemy.orm import Session, joinedload, with_polymorphic  # type: ignore
 
 from antarest.core.interfaces.cache import ICache