Revolutionary stunt ruined old joke (8)

I believe the answer is:

chestnut

'old joke' is the definition.
(as in an old chestnut)

'revolutionary stunt ruined' is the wordplay.
'revolutionary' becomes 'Che' (Che Guevara).
'ruined' is an anagram indicator.
'stunt' anagrammed gives 'stnut'.
'che'+'stnut'='CHESTNUT'

(Other definitions for chestnut that I've seen before include "comedian's overused line?" , "Reddish-brown colour" , "Tree; old joke (colloq.)" , "Brown horse" , "Old joke - edible kernel" .)

I've seen this clue in the Sydney Morning Herald and The Times.

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