WooCommerce - Remove downloads from menu in my account page

You will need this lightly customized this code snippet:

function custom_my_account_menu_items( $items ) {
    unset($items['downloads']);
    return $items;
}
add_filter( 'woocommerce_account_menu_items', 'custom_my_account_menu_items' );

This code goes on function.php file of your active child theme (or theme) or in any plugin file.

This code is tested and working

Go to WooCommerce > Settings > Advanced and remove the entry for Downloads in the Account endpoints section, just leave it blank. And the menu will not be visible anymore.