diff --git a/wp-admin/includes/ajax-actions.php b/wp-admin/includes/ajax-actions.php
index e740c93a1c..02a4c9a126 100644
--- a/wp-admin/includes/ajax-actions.php
+++ b/wp-admin/includes/ajax-actions.php
@@ -1966,9 +1966,11 @@ function wp_ajax_delete_inactive_widgets() {
 	}
 
 	unset( $_POST['removeinactivewidgets'], $_POST['action'] );
-
+	/** This action is documented in wp-admin/includes/ajax-actions.php */
 	do_action( 'load-widgets.php' );
+	/** This action is documented in wp-admin/includes/ajax-actions.php */
 	do_action( 'widgets.php' );
+	/** This action is documented in wp-admin/widgets.php */
 	do_action( 'sidebar_admin_setup' );
 
 	$sidebars_widgets = wp_get_sidebars_widgets();
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6b1b05bcce..fb86f4fbdb 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-39667';
+$wp_version = '4.8-alpha-39668';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.