如果想删除 WordPress 后台的仪表盘活动、快速草稿、概览和 WordPress 活动及新闻等模块，只需要将下面的代码添加到当前主题的 functions.php 文件中即可：

1. //删除 WordPress 后台仪表盘
2. function disable_dashboard_widgets() {
3. global $wp_meta_boxes;
4. unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_activity']);
5. unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_right_now']);
6. unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_recent_comments']);
7. unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_incoming_links']);
8. unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);
9. unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']);
10. unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);
11. unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_quick_press']);
12. unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_recent_drafts']);
13. }
14. add_action('wp_dashboard_setup', 'disable_dashboard_widgets', 999);