Remove price display at homepage

gistfile1.php

add_action( 'get_header', 'remove_price_at_homepage' );
/**
 * Remove price display and add to chart button at homepage
 * 
 * @see http://docs.woothemes.com/document/hooks/
 */
function remove_price_at_homepage() {
	if ( is_home() || is_front_page() ) {
		remove_action( 'woocommerce_after_shop_loop_item_title', 'woocommerce_template_loop_price', 10 );
		remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart', 10 );
	}
}