EDD - Remove Purchase Total

gistfile1.php

<?php
function ck_edd_hide_payment_icons() {
	$cart_total = edd_get_cart_total();
 
	if ( $cart_total )
		return;
 
 	remove_action( 'edd_purchase_form_before_submit', 'edd_checkout_final_total', 999 );
 	
 	// If you want to remove the payment options as well, you can uncomment these lines
 	// Props to Sumobi http://sumobi.com/hide-payment-icons-checkout-cart-total-0-00/
 	//remove_action( 'edd_payment_mode_top', 'edd_show_payment_icons' );
	//remove_action( 'edd_checkout_form_top', 'edd_show_payment_icons' );

}
add_action( 'template_redirect', 'ck_edd_hide_payment_icons' );