diff --git a/wp-admin/includes/class-wp-terms-list-table.php b/wp-admin/includes/class-wp-terms-list-table.php
index b710c5f630..7d8f8bfe5e 100644
--- a/wp-admin/includes/class-wp-terms-list-table.php
+++ b/wp-admin/includes/class-wp-terms-list-table.php
@@ -11,6 +11,8 @@ class WP_Terms_List_Table extends WP_List_Table {
 
 	public $callback_args;
 
+	private $level;
+
 	/**
 	 * Constructor.
 	 *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 535255f131..57a5d062e3 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31165';
+$wp_version = '4.2-alpha-31166';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.