You can remove equipped parts by following these steps:
- Click on the commander's avatar at the top left of the screen.
- Click on the part you want to remove.
- Click on "Remove". 

Note: If you remove parts, you can re-equip them at any time by clicking "parts".

You can also disassemble parts that you no longer need to obtain materials and widgets by following these steps:

- Go to your base's parts workshop and click "Storage Box".
- Click on "Equip".
- Select the equipment you want to disassemble and click "Disassemble".

Note: When disassembling parts, they will disappear permanently, and you will not be able to retrieve them.