Remove Add to Cart Buttons

functions.php

<?php
function patricks_remove_loop_button(){
	remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart', 10 ); // removes the add to cart button on the shop page
	remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_add_to_cart', 30 ); //removes the add to cart button on the single product page
}
add_action('init','patricks_remove_loop_button');