diff --git a/wp-includes/general-template.php b/wp-includes/general-template.php
index 5bebf9b739..29e38b63b1 100644
--- a/wp-includes/general-template.php
+++ b/wp-includes/general-template.php
@@ -718,7 +718,7 @@ function single_tag_title($prefix = '', $display = true ) {
 	if ( !is_tag() )
 		return;
 
-	$tag = $wp_query->get_queried_object();;
+	$tag = $wp_query->get_queried_object();
 
 	if ( ! $tag )
 		return;
diff --git a/wp-includes/link-template.php b/wp-includes/link-template.php
index 730874bae1..dd4f941bbb 100644
--- a/wp-includes/link-template.php
+++ b/wp-includes/link-template.php
@@ -2037,26 +2037,6 @@ function rel_canonical() {
 	echo "<link rel='canonical' href='$link' />\n";
 }
 
-/**
- * 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.
  *
diff --git a/wp-settings.php b/wp-settings.php
index 91971b6559..8437cfb38c 100644
--- a/wp-settings.php
+++ b/wp-settings.php
@@ -289,7 +289,10 @@ do_action( 'init' );
 /**
  * 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. admin-ajax.php can handle requests for
+ * users not logged in.
+ *
+ * @link http://codex.wordpress.org/AJAX_in_Plugins
  *
  * @since 3.0.0
  */