Can I destroy a meshInstance?

I have a pot model, and it has a really large shadow mesh instance.

I know I can set the shadow meshInstance’s visible property to false to make it invisible, however when I click the invisible shadow and use pc.Picker to get the entity of the click point, I can still get the pot entity, this is not expect. What I want is clicking the invisible shadow, the picker should not get the pot entity.

So, can I destroy the shadow mesh instance? and how to do it?

Summoning @Mr_F.

Seems like there is no easy way, apart of editing model before you import it to ensure model does not have actual content if it is not needed.
If you want to trigger visibility on parts of it, then splitting one model file into many parts to interact with them as with entities - would be best approach here.