WooCommerce - Remove an option from the catalog sorting dropdown menu

<?php
  // WooCommerce - Remove an option from the catalog sorting dropdown
  // Options: menu_order, popularity, rating, date, price, price-desc
  add_filter( "woocommerce_catalog_orderby", "custom_catalog_orderby", 20 );
  function custom_catalog_orderby( $orderby ) {
    unset( $orderby["date"] );
    return $orderby;
  } // end function