Removing paramaters in material instance from funtions

Hello Community

I have a question for a little mild problem just wanted to fix up. I have a terrain material that has multiple textures assign. I want to remove all the parameters that are in the main material instance that are getting information from material functions. I feel I’m missing something that could be pretty simple, haven’t found anything online to fix this problem, and not sure if this is a sort of bug or something.

If anyone had problems with this or has a solution would be greatly appreciated!

Bump still having same problem

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