Need to remove the WooCommerce order options – the select box that shows up on the WooCommerce category pages displaying the options to sort by price, rating, etc.
Removing it is easy and offers a nice, simple view on stores with small numbers of products where ordering might not be required.
remove_action( 'woocommerce_before_shop_loop' , 'woocommerce_catalog_ordering', 20 );
Occasionally, some themes add this to the bottom of the pages also. You can amend