I don't have an explanation why this occurs, but you could always create a new Parameter Dial group (right arrow at top) and drag/drop all of the unwanted controls into it to remove clutter. You could then delete that group if you want, while you're working; I wouldn't make it permanent (i.e.: save back to library).

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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