Customers are considered to be the king in the market. As an eCommerce store owner, it is advantageous to offer them great convenience. So, it is essential to optimize the checkout step and make it easy for the shoppers to make a purchase. Providing them with simple checkout process can encourage them make sales and boost user experience. Based on your business requirements, you can collect the customer details that can be helpful for marketing purpose or order completion. To remove field in billing address from checkout in Magento 2.