How to Hide the "Export WP Page to HTML & PDF" Admin Menu
function plt_hide_export_wp_page_to_static_html_menus() {
//Hide the "Export WP Page to HTML & PDF" menu.
remove_menu_page('export-wp-page-to-html');
}
add_action('admin_menu', 'plt_hide_export_wp_page_to_static_html_menus', 11);