How to hide xref in one specific viewport in all layouts

Hey.
Wehavesome heavydrawings withmanylayouts.Eachlayoutcontains multipleviewports.It takesupto 10-15minutes to switchlayout.When we insert a new xref we would likeit to appearinallviewportsexceptone.This applies toall layouts. Anybody that have a good idea of how this can be solved without switching layouts?

\Freddy

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