Use this function to display unused layers [Layers] and remove them if necessary.
There is no confirmation prompt. The selected levels [Layers] are deleted directly.
Unused layers [Unused Planes] dialog box
![[Caution]](images/caution.png)
![Unused layers [Unused Planes] dialog box](resources/img/img_f7b1ec92de994d519488893577c3c096.png)