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Cut use of heroin, finally going for Hitsville's No 1 (6)

Ross

I believe the answer is:

ignore

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'cut' is the definition.
('ignore' can be a synonym of 'cut')

I can't explain the remainder of the clue.

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(Other definitions for ignore that I've seen before include "set aside" , "Deliberately take no notice" , "Cut head off" , "Dismiss" , "Fail to consider" .)

I've seen this clue in The Independent.
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