diff --git a/app/scodoc/sco_permissions_check.py b/app/scodoc/sco_permissions_check.py
index 495a1eb4..1b6b3681 100644
--- a/app/scodoc/sco_permissions_check.py
+++ b/app/scodoc/sco_permissions_check.py
@@ -117,18 +117,6 @@ def check_access_diretud(formsemestre_id, required_permission=Permission.ScoImpl
         return True, ""
 
 
-def can_change_groups(formsemestre_id: int) -> bool:
-    """Vrai si l'utilisateur peut changer les groupes dans ce semestre
-    Obsolete: utiliser FormSemestre.can_change_groups
-    """
-    formsemestre: FormSemestre = FormSemestre.query.get_or_404(formsemestre_id)
-    if not formsemestre.etat:
-        return False  # semestre verrouillé
-    if current_user.has_permission(Permission.ScoEtudChangeGroups):
-        return True  # typiquement admin, chef dept
-    return formsemestre.est_responsable(current_user)
-
-
 def can_handle_passwd(user: User, allow_admindepts=False) -> bool:
     """True if the current user can see or change passwd info of user.
     If allow_admindepts, allow Admin from all depts (so they can view users from other depts