Make harmless cadet a vet, I fancy (10)

I believe the answer is:

deactivate

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'make harmless' is the definition.
I can't judge whether this definition defines the answer.

'cadet a vet i fancy' is the wordplay.
'fancy' indicates an anagram.
'cadet'+'a'+'vet'+'i'='cadetaveti'
'cadetaveti' anagrammed gives 'DEACTIVATE'.

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I've seen this clue in The Independent.

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