Remove WooCommerce Company, Order Notes, Phone, and Address 2 Fields

remove-woocommerce-checkout-fields.php

<?php

// put this code in your theme functions.php or a custom plugin
add_filter( 'woocommerce_checkout_fields' , 'sb_remove_woo_checkout_fields' );
 
function sb_remove_woo_checkout_fields( $fields ) {

    // remove some billing fields
    unset($fields['billing']['billing_company']);
    unset($fields['billing']['billing_address_2']);
    unset($fields['billing']['billing_phone']);

    // other fields you can remove
    // unset($fields['billing']['billing_address_1']);
    // unset($fields['billing']['billing_city']);
    // unset($fields['billing']['billing_postcode']);
    // unset($fields['billing']['billing_country']);
    // unset($fields['billing']['billing_state']);
    // unset($fields['billing']['billing_email']);
   
    // remove some shipping fields  
    unset($fields['shipping']['shipping_company']);

    // other shipping fields you can remove
    // unset($fields['shipping']['shipping_first_name']);    
    // unset($fields['shipping']['shipping_last_name']);  
    // unset($fields['shipping']['shipping_address_1']);
    // unset($fields['shipping']['shipping_address_2']);
    // unset($fields['shipping']['shipping_city']);
    // unset($fields['shipping']['shipping_postcode']);
    // unset($fields['shipping']['shipping_country']);
    // unset($fields['shipping']['shipping_state']);
    
    // remove order comment fields
    unset($fields['order']['order_comments']);
    
    return $fields;
}