Crossword Genius

Gradually got rid of pronounced lack of confidence going on stage (6,3)

Ross

I believe the answer is:

phased out

I'm a little stuck... Click here to teach me more about this clue!

'gradually got rid of' is the definition.
(to phase something out is to stop using it)

'pronounced lack of confidence going on stage' is the wordplay.
I cannot quite understand how this works, but
'stage' could be 'phase' (both can mean a part or period of something) and 'phase' is located in the answer.
The remaining letters 'dout' is a valid word which might be clued in a way I don't understand.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in The Guardian.
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