diff --git a/plugins/TagBasedFiltering/TagBasedFiltering.php b/plugins/TagBasedFiltering/TagBasedFiltering.php
index f8788cb09b..7d0c8d1ea3 100644
--- a/plugins/TagBasedFiltering/TagBasedFiltering.php
+++ b/plugins/TagBasedFiltering/TagBasedFiltering.php
@@ -76,7 +76,7 @@ class TagBasedFiltering extends Plugin
         ];
     }
 
-    public function onFilterNoteList(Actor $actor, array $notes, ?array &$notes_out)
+    public function onFilterNoteList(Actor $actor, array &$notes)
     {
         $blocked_note_tags = Cache::get(
             self::cacheKeys($actor)['note'],
@@ -87,7 +87,7 @@ class TagBasedFiltering extends Plugin
             fn () => DB::dql('select atb from actor_tag_block atb where atb.blocker = :blocker', ['blocker' => $actor->getId()]),
         );
 
-        $notes_out = F\reject(
+        $notes = F\reject(
             $notes,
             fn (Note $n) => (
                 $n->getActor()->getId() != $actor->getId()
diff --git a/src/Core/Controller/FeedController.php b/src/Core/Controller/FeedController.php
index b0b192b616..c936feaab0 100644
--- a/src/Core/Controller/FeedController.php
+++ b/src/Core/Controller/FeedController.php
@@ -45,9 +45,7 @@ abstract class FeedController extends Controller
         if (\array_key_exists('notes', $result)) {
             $notes = $result['notes'];
             if (!\is_null($actor)) {
-                $notes_out = null;
-                Event::handle('FilterNoteList', [$actor, $notes, &$notes_out]);
-                $notes = $notes_out;
+                Event::handle('FilterNoteList', [$actor, &$notes]);
             }
 
             $notes_out = null;