diff --git a/logs/signals.py b/logs/signals.py
index e493301..e15a5b4 100644
--- a/logs/signals.py
+++ b/logs/signals.py
@@ -34,13 +34,13 @@ def pre_save_object(sender, instance, **kwargs):
         instance._previous = None
 
 
-def save_object(sender, instance, **kwargs):
+def save_object(sender, instance, raw, **kwargs):
     """
     Each time a model is saved, an entry in the table `Changelog` is added in the database
     in order to store each modification made
     """
     # noinspection PyProtectedMember
-    if instance._meta.label_lower in EXCLUDED or hasattr(instance, "_no_signal"):
+    if instance._meta.label_lower in EXCLUDED or hasattr(instance, "_no_signal") or raw:
         return
 
     # noinspection PyProtectedMember
diff --git a/participation/signals.py b/participation/signals.py
index d5b1394..29c9045 100644
--- a/participation/signals.py
+++ b/participation/signals.py
@@ -6,21 +6,22 @@ from participation.models import Note, Participation, Passage, Pool, Team
 from tfjm.lists import get_sympa_client
 
 
-def create_team_participation(instance, created, **_):
+def create_team_participation(instance, created, raw, **_):
     """
     When a team got created, create an associated participation.
     """
-    participation = Participation.objects.get_or_create(team=instance)[0]
-    participation.save()
-    if not created:
-        participation.team.create_mailing_list()
+    if not raw:
+        participation = Participation.objects.get_or_create(team=instance)[0]
+        participation.save()
+        if not created:
+            participation.team.create_mailing_list()
 
 
-def update_mailing_list(instance: Team, **_):
+def update_mailing_list(instance: Team, raw, **_):
     """
     When a team name or trigram got updated, update mailing lists and Matrix rooms
     """
-    if instance.pk:
+    if instance.pk and not raw:
         old_team = Team.objects.get(pk=instance.pk)
         if old_team.trigram != instance.trigram:
             # TODO Rename Matrix room
@@ -36,11 +37,12 @@ def update_mailing_list(instance: Team, **_):
                                              f"{coach.user.first_name} {coach.user.last_name}")
 
 
-def create_notes(instance: Union[Passage, Pool], **_):
-    if isinstance(instance, Pool):
-        for passage in instance.passages.all():
-            create_notes(passage)
-        return
+def create_notes(instance: Union[Passage, Pool], raw, **_):
+    if not raw:
+        if isinstance(instance, Pool):
+            for passage in instance.passages.all():
+                create_notes(passage)
+            return
 
-    for jury in instance.pool.juries.all():
-        Note.objects.get_or_create(jury=jury, passage=instance)
+        for jury in instance.pool.juries.all():
+            Note.objects.get_or_create(jury=jury, passage=instance)
diff --git a/registration/signals.py b/registration/signals.py
index ed4981d..eb11750 100644
--- a/registration/signals.py
+++ b/registration/signals.py
@@ -43,12 +43,12 @@ def create_admin_registration(instance, **_):
         VolunteerRegistration.objects.get_or_create(user=instance, admin=True)
 
 
-def create_payment(instance: Registration, **_):
+def create_payment(instance: Registration, raw, **_):
     """
     When a user is saved, create the associated payment.
     For a free tournament, the payment is valid.
     """
-    if instance.participates:
+    if instance.participates and not raw:
         payment = Payment.objects.get_or_create(registration=instance)[0]
         if instance.team and instance.team.participation.valid and instance.team.participation.tournament.price == 0:
             payment.valid = True