diff --git a/includes/server/outbox.php b/includes/server/outbox.php
index 60485e8..c9c5815 100644
--- a/includes/server/outbox.php
+++ b/includes/server/outbox.php
@@ -24,7 +24,6 @@ require_once plugin_dir_path( __FILE__ ) . 'activities/undo.php';
 require_once plugin_dir_path( __FILE__ ) . '../util.php';
 
 function handle_activity( $actor_slug, $activity ) {
-    // TODO handle authentication/authorization
     $activity = \pterotype\util\dereference_object( $activity );
     if ( is_wp_error( $activity ) ) {
         return $activity;