diff --git a/app/models/activity_pub/remote_flag.rb b/app/models/activity_pub/remote_flag.rb
index 76143414..1b6f5c5f 100644
--- a/app/models/activity_pub/remote_flag.rb
+++ b/app/models/activity_pub/remote_flag.rb
@@ -2,6 +2,9 @@
 
 class ActivityPub
   class RemoteFlag < ApplicationRecord
+    IGNORED_EVENTS = []
+    IGNORED_STATES = []
+
     include AASM
     include AasmEventsConcern