diff --git a/code/LeftAndMain.php b/code/LeftAndMain.php
index ca2e5ef4..33b30ecd 100644
--- a/code/LeftAndMain.php
+++ b/code/LeftAndMain.php
@@ -286,7 +286,6 @@ class LeftAndMain extends Controller {
 				'cms/javascript/Upload.js',
 				'sapphire/javascript/TreeSelectorField.js',
 		 		'cms/javascript/ThumbnailStripField.js',
-		 		'cms/javascript/FilterSiteTree.js',
 			)
 		);