How to Hide Parse.ly Admin Menus

function plt_hide_wp_parsely_menus() {
	//Hide the "Parse.ly" menu.
	remove_menu_page('parsely-dashboard-page');
	//Hide the "Parse.ly → Settings" menu.
	remove_submenu_page('parsely-dashboard-page', 'parsely-settings');
}

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

Where do I put this code?