If you have more than one shipping address, then you can delete all of them but one. The default shipping address fields cannot be deleted but you can clear the content.
If you want to delete the shipping address that is currently marked as the ‘Default’ shipping address, then you first need to mark another shipping address as the default shipping address by simply clicking on the Default’ circle.
Click on the ‘Action’ button on the top right of your shipping address that you want to delete and click on ‘delete’
Click on ‘Save’.