diff --git a/antarest/study/repository.py b/antarest/study/repository.py
index 806a99b2f8..1a540786e2 100644
--- a/antarest/study/repository.py
+++ b/antarest/study/repository.py
@@ -275,9 +275,6 @@ def get_all_raw(self, exists: t.Optional[bool] = None) -> t.Sequence[RawStudy]:
     def delete(self, id_: str, *ids: str) -> None:
         ids = (id_,) + ids
         session = self.session
-        """for study_id in ids:
-            study: Study = session.query(Study).get(study_id)
-            session.delete(study)"""
         session.query(Study).filter(Study.id.in_(ids)).delete(synchronize_session=False)
         session.commit()