diff --git a/inc/instance-config.php b/inc/instance-config.php
index 3779663d..868c451d 100644
--- a/inc/instance-config.php
+++ b/inc/instance-config.php
@@ -129,7 +129,6 @@
 	$config['additional_javascript'][] = 'js/mobile-style.js';
 	$config['additional_javascript'][] = 'js/id_highlighter.js';
 	$config['additional_javascript'][] = 'js/id_colors.js';
-	$config['additional_javascript'][] = 'js/threadscroll.js';
 	$config['additional_javascript'][] = 'js/inline.js';
 
 	$config['font_awesome_css'] = '/netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css';