diff --git a/management/commands/import_account.py b/management/commands/import_account.py
index 9dc6371..d520187 100644
--- a/management/commands/import_account.py
+++ b/management/commands/import_account.py
@@ -246,20 +246,7 @@ class Command(ImportCommand):
             filename = kwargs["save"]
             with open(filename, 'w') as fp:
                 json.dump(MAP_IDBDE, fp, sort_keys=True, indent=2)
-
-            for pk_user, old_username, new_username in CHANGED_USERNAMES:
-                user = User.objects.get(pk=pk_user)
-                mail_text = render_to_string("scripts/unsupported_username.txt", dict(
-                    user=user,
-                    old_username=old_username,
-                    new_username=new_username,
-                ))
-                user.email_user("Transition à la Note Kfet 2020 : pseudo non supporté", mail_text)
-
-            for pk_user, aliases_list in CHANGED_USERNAMES:
-                user = User.objects.get(pk=pk_user)
-                mail_text = render_to_string("scripts/deleted_aliases.txt", dict(
-                    user=user,
-                    aliases_list=aliases_list,
-                ))
-                user.email_user("Transition à la Note Kfet 2020 : suppression d'alias", mail_text)
+            with open(filename + ".changed-usernames", 'w') as fp:
+                json.dump(CHANGED_USERNAMES, fp, sort_keys=True, indent=2)
+            with open(filename + ".removed-aliases", 'w') as fp:
+                json.dump(LOST_ALIASES, fp, sort_keys=True, indent=2)