diff --git a/ext/filter/main.php b/ext/filter/main.php
index 88f5f2aa..6a86b8c1 100644
--- a/ext/filter/main.php
+++ b/ext/filter/main.php
@@ -21,10 +21,6 @@ class Filter extends Extension
     {
         global $page;
         $this->theme->addFilterBox();
-        $page->add_html_header(SCRIPT("
-        Array.from(document.getElementsByClassName('thumb')).forEach(function(post) {
-            post.style.display='none';
-        });"));
     }
 
     public function onSetupBuilding(SetupBuildingEvent $event): void