​The `remove_submenu_page()` function in WordPress allows you to remove a specific submenu item from the administrator dashboard by removing its link from the parent menu's submenu array

​The `remove_shortcode()` function in WordPress is used to remove a shortcode from your site by calling the function with the shortcode tag as an argument

​The `remove_permastruct()` function in WordPress allows you to remove a custom permalink structure that was previously added using the `add_permastruct()` function

​The `remove_option_update_handler()` function in WordPress unregisters a setting by removing its update handler

Learn how to remove meta boxes using the WordPress'remove_meta_box()' PHP function in this article with examples

Learn how to use the WordPress'remove_image_size()' function to remove unused or unwanted image sizes in your website

Learn how to use the WordPress'remove_theme_mods' function to remove all theme modification options for the current theme

Learn how to use the WordPress'remove_filter()' PHP function to remove a callback function from a filter hook in your WordPress site

Removes all of the callback functions from a filter hook.