Index: wp-includes/link-template.php
===================================================================
--- wp-includes/link-template.php	(revision 13829)
+++ wp-includes/link-template.php	(working copy)
@@ -2038,26 +2038,6 @@
 }
 
 /**
- * Prints the ajax url on the front end
- *
- * @since 3.0.0
- **/
-function _wp_ajaxurl() {
-	echo '<script type="text/javascript">',
-			"var ajaxurl = '", esc_js(site_url('wp-ajax.php')), "';",
-		"</script>\n";
-}
-
-/**
- * Hooks _wp_ajaxurl() to wp_head
- *
- * @since 3.0.0
- **/
-function wp_ajaxurl() {
-	add_action('wp_head', '_wp_ajaxurl', 1);
-}
-
-/**
  * Return a shortlink for a post, page, attachment, or blog.
  *
  * This function exists to provide a shortlink tag that all themes and plugins can target.  A plugin must hook in to
Index: wp-settings.php
===================================================================
--- wp-settings.php	(revision 13829)
+++ wp-settings.php	(working copy)
@@ -289,7 +289,7 @@
 /**
  * This hook is fired once WP, all plugins, and the theme are fully loaded and instantiated.
  *
- * AJAX requests should use wp-ajax.php and wp-admin/admin-ajax.php instead.
+ * AJAX requests should use wp-admin/admin-ajax.php instead.
  *
  * @since 3.0.0
  */