diff --git a/wp-admin/includes/class-wp-list-table.php b/wp-admin/includes/class-wp-list-table.php
index 544408807e..db3471f2e9 100644
--- a/wp-admin/includes/class-wp-list-table.php
+++ b/wp-admin/includes/class-wp-list-table.php
@@ -1033,6 +1033,10 @@ class WP_List_Table {
 		echo '</tr>';
 	}
 
+	public function column_default( $item, $column_name ) {}
+
+	public function column_cb( $item ) {}
+	
 	/**
 	 * Generates the columns for a single row of the table
 	 *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2dd5951803..f7fbc5b8f6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31209';
+$wp_version = '4.2-alpha-31210';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.