Index: src/wp-includes/script-loader.php
===================================================================
--- src/wp-includes/script-loader.php	(revision 46178)
+++ src/wp-includes/script-loader.php	(working copy)
@@ -882,8 +882,6 @@
 
 	$scripts->add( 'wp-sanitize', "/wp-includes/js/wp-sanitize$suffix.js", array(), false, 1 );
 
-	$scripts->add( 'wp-a11y', "/wp-includes/js/wp-a11y$suffix.js", array( 'jquery', 'wp-sanitize' ), false, 1 );
-
 	$scripts->add( 'sack', "/wp-includes/js/tw-sack$suffix.js", array(), '1.6.1', 1 );
 
 	$scripts->add( 'quicktags', "/wp-includes/js/quicktags$suffix.js", array(), false, 1 );