diff --git a/wp-includes/capabilities.php b/wp-includes/capabilities.php
index 3272e3d894..eba1df3e2b 100644
--- a/wp-includes/capabilities.php
+++ b/wp-includes/capabilities.php
@@ -411,28 +411,6 @@ class WP_User {
 	 */
 	var $allcaps = array();
 
-	/**
-	 * First name of the user.
-	 *
-	 * Created to prevent notices.
-	 *
-	 * @since 2.7.0
-	 * @access public
-	 * @var string
-	 */
-	var $first_name = '';
-
-	/**
-	 * Last name of the user.
-	 *
-	 * Created to prevent notices.
-	 *
-	 * @since 2.7.0
-	 * @access public
-	 * @var string
-	 */
-	var $last_name = '';
-
 	/**
 	 * The filter context applied to user data fields.
 	 *