diff --git a/tournaments/signals.py b/tournaments/signals.py
index 917c766..ea47ab2 100644
--- a/tournaments/signals.py
+++ b/tournaments/signals.py
@@ -16,11 +16,11 @@ from tournaments.models import PlayerDataSource
 from shared.discord import send_discord_log_message, send_discord_failed_calls_message
 from datetime import datetime
 
-@receiver(pre_save, sender=CustomUser)
-def username_check(instance, sender, **kwargs):
-    """Ensure that username unique constraint is case insensitive"""
-    if sender.objects.filter(username__iexact=instance.username.lower()):
-        raise IntegrityError("Le nom d'utilisateur existe déjà")
+# @receiver(pre_save, sender=CustomUser)
+# def username_check(instance, sender, **kwargs):
+#     """Ensure that username unique constraint is case insensitive"""
+#     if sender.objects.filter(username__iexact=instance.username.lower()):
+#         raise IntegrityError("Le nom d'utilisateur existe déjà")
 
 def generate_unique_code():
     characters = string.ascii_lowercase + string.digits