--- /dev/null
+# -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from celery.signals import task_postrun
+from waiter.models import WaitedFile
+
+
+def task_delete_after(task_id=None, **kwargs):
+ WaitedFile.objects.filter(task_id=task_id).delete()
+task_postrun.connect(task_delete_after)