Remove shipping cost

Hi,

I have 2 Items in shopping cart, one has shipping cost, another has no. If I remove the item from the shopping cart, which has shipping cost, on the total cost is still the shipping cost.

Can you give me some point where I can update/remove the shipping cost?

The version of EShop: 1.1.5 and 1.3.1 (mixed)

Thanks & Best Regards,

I fixed the bug, thank you.
if someone need, the solution:

function updateShippingCost()
{
<?php
$isShipping = false;
if(count($this->cartData) > 0)
{
foreach ($this->cartData as $key => $product)
{
if($product["product_shipping"] == 1):
$isShipping = true;
break;
endif;
}
}
if(!$isShipping):
$session = JFactory::getSession();
$session->set('shipping_method');
endif;
?>
}

and call the function after removing item.

OK Kaya,
I think this was small bug from old version. Seem I also fixed it in the latest version of EShop.
Anyway, thank you for fixing it and showing here.
Sincerely, Giang