diff --git a/janus/tasks.py b/janus/tasks.py
new file mode 100644
index 0000000..b2a85b6
--- /dev/null
+++ b/janus/tasks.py
@@ -0,0 +1,6 @@
+from celery import shared_task
+from oauth2_provider.models import clear_expired
+
+@shared_task
+def cleanup_token():
+    clear_expired()
\ No newline at end of file