How to Hide Wise Analytics Admin Menus

function plt_hide_wise_analytics_menus() {
	//Hide the "Analytics" menu.
	remove_menu_page('wise-analytics');
	//Hide the "Settings → Wise Analytics" menu.
	remove_submenu_page('options-general.php', 'wise-analytics-admin');
}

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

Where do I put this code?