--- a/wp/wp-includes/registration-functions.php	Tue Oct 22 16:11:46 2019 +0200
+++ b/wp/wp-includes/registration-functions.php	Tue Dec 15 13:49:49 2020 +0100
@@ -3,5 +3,7 @@
  * Deprecated. No longer needed.
  *
  * @package WordPress
+ * @deprecated 2.1.0
  */
+
 _deprecated_file( basename( __FILE__ ), '2.1.0', null, __( 'This file no longer needs to be included.' ) );