Tips on Customizing Rundiz Downloads

How to Hide Rundiz Downloads Admin Menus

function plt_hide_rundiz_downloads_menus() {
	//Hide "Downloads".
	remove_menu_page('rd-downloads');
	//Hide "Downloads → Downloads".
	remove_submenu_page('rd-downloads', 'rd-downloads');
	//Hide "Downloads → Add New".
	remove_submenu_page('rd-downloads', 'rd-downloads_add');
	//Hide "Downloads → Logs".
	remove_submenu_page('rd-downloads', 'rd-downloads_logs');
	//Hide "Downloads → Settings".
	remove_submenu_page('rd-downloads', 'rd-downloads_settings');
}

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

Where do I put this code?

How to Hide the "Download Statistics" Dashboard Widget

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

	//Remove the "Download Statistics" widget.
	remove_meta_box('rddownloads_dashboard_widget_downloadstat', 'dashboard', 'normal');
}

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