diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php
index b7a02cb673..4c1e82fbdb 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php
@@ -2,29 +2,11 @@
 /**
  * REST API: WP_REST_Sidebars_Controller class
  *
+ * Original code from {@link https://github.com/martin-pettersson/wp-rest-api-sidebars Martin Pettersson (martin_pettersson@outlook.com)}.
+ *
  * @package WordPress
  * @subpackage REST_API
  * @since 5.8.0
- *
- * Copyright (C) 2015  Martin Pettersson
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- * @author    Martin Pettersson <martin_pettersson@outlook.com>
- * @copyright 2015 Martin Pettersson
- * @license   GPLv2
- * @link      https://github.com/martin-pettersson/wp-rest-api-sidebars
  */
 
 /**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 17f2e28314..e2fc01e78a 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-beta2-51209';
+$wp_version = '5.8-beta2-51210';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.