Insignificant wound is no handicap (7)

I believe the answer is:

scratch

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This clue could be a double definition.

'insignificant wound' is the first definition.
'scratch' can be an answer for 'wound' (scratch is a kind of wound). I'm unsure of the 'insignificant' bit.

'no handicap' is the second definition.
(scratch handicap is a zero handicap in golf)

'is' acts as a link.

Can you help me to learn more?

(Other definitions for scratch that I've seen before include "Write hurriedly" , "claw" , "Superficial damage; withdraw" , "Pull out of match" , "score with > no handicap given" .)

I've seen this clue in The Times.

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