Condensing again: Why isn't it?

Could someone kindly help me out? Why isn’t the attached condensing? I would expect the tenor voice to disappear with condensing, but it doesn’t.
I’ve tried to whittle the project down to the minimum.
Untitled Project 2.dorico (986.2 KB)
Many thanks.

I don’t think condensing is applicable here. You need to hide empty staves.
(Layout options>Staves and Systems>Vertical spacing… Staff visibility)

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Of course I do, thank you.