diff --git a/collabs/models.py b/collabs/models.py
index a25b106..849e3d4 100644
--- a/collabs/models.py
+++ b/collabs/models.py
@@ -1,7 +1,6 @@
 import datetime
 import math
 import time
-
 from django.core.validators import MinValueValidator, MaxValueValidator
 from django.db import models
 from django.conf import settings
@@ -16,8 +15,7 @@ BASES_CHOICES = [
     ]
 
 class Collabs_hour_types(models.Model):
-    objects = models.Manager()
-    on_site = CurrentSiteManager()
+
     name = models.CharField("Dénomination", max_length=100)
     dtUpdate = models.DateTimeField('Date de modification', auto_now=True)
     dtCreated = models.DateTimeField('Date de création', auto_now_add=True)
@@ -32,8 +30,7 @@ class Collabs_hour_types(models.Model):
 
 
 class Collabs_hour(models.Model):
-    objects = models.Manager()
-    on_site = CurrentSiteManager()
+
 
     userName = models.CharField("Auteur", max_length=100)
     user = models.ForeignKey(settings.AUTH_USER_MODEL, limit_choices_to={'groups__name': "Intervenants"}, verbose_name="Collaborateur", on_delete=models.DO_NOTHING)