Tips on Customizing Headers Security Advanced & HSTS WP

How to Hide the "Headers Security Advanced & HSTS WP" Admin Menu

function plt_hide_headers_security_advanced_hsts_wp_menus() {
	//Hide the "Settings → Headers Security Advanced & HSTS WP" menu.
	remove_submenu_page('options-general.php', 'headers-security-advanced-hsts-wp-plugin');
}

add_action('admin_menu', 'plt_hide_headers_security_advanced_hsts_wp_menus', 11);

Where do I put this code?

How to Hide the "Headers Security Advanced HSTS WP" Dashboard Widget

function plt_hide_headers_security_advanced_hsts_wp_dashboard_widgets() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Remove the "Headers Security Advanced  HSTS WP" widget.
	remove_meta_box('wpexplorer_dashboard_widget', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_headers_security_advanced_hsts_wp_dashboard_widgets', 20);