Ticket #17141: 17141.diff

diff --git wp-admin/includes/class-wp-posts-list-table.php wp-admin/includes/class-wp-posts-list-table.php
index f3f10b0..d78a6a4 100644
--- wp-admin/includes/class-wp-posts-list-table.php
+++ wp-admin/includes/class-wp-posts-list-table.php
@@ -293,7 +293,6 @@ class WP_Posts_List_Table extends WP_List_Table {
        function get_sortable_columns() {
                return array(
                        'title'    => 'title',
-                       'author'   => 'author',
                        'parent'   => 'parent',
                        'comments' => 'comment_count',
                        'date'     => array( 'date', true )