To clear a design from your SWF embroidery machine, you can use the standard control panel. The specific steps will vary depending on the model of your machine and the software it uses, but in general, you should be able to follow these steps:

Note that some machines may require you to navigate through different menus or options to find the file or design you want to clear. It's also important to make sure you are deleting the correct file or design, as once it is deleted, it cannot be recovered.