Our 3D CAD supplier models have been moved to 3Dfindit.com, the new visual search engine for 3D CAD, CAE & BIM models.
You can log in there with your existing account of this site.
The content remains free of charge.
With the right mouse button, click on the corresponding row in dialog area Hierarchical view.
Confirm the context menu command Remove.
--> The corresponding part is deleted.
When removing a folder the subordinate parts are deleted as well!