diff --git a/core/inbox.py b/core/inbox.py
index 93cace5..fc97ee9 100644
--- a/core/inbox.py
+++ b/core/inbox.py
@@ -9,7 +9,6 @@ from little_boxes.errors import NotAnActivityError
 import config
 from core.activitypub import _answer_key
 from core.activitypub import handle_replies
-from core.activitypub import is_from_outbox
 from core.activitypub import post_to_outbox
 from core.activitypub import update_cached_actor
 from core.db import DB