Leaves one with no filthy lucre? (6,3)

I believe the answer is:

cleans out

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'leaves one with no filthy lucre?' is the definition.
The answer and definition can be both related to change as well as being verbs in their -s form.
Perhaps there's a link between them I don't understand?

This is all the clue.

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I've seen this clue in the Evening Standard.

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