Leave out of room itself (4)

I believe the answer is:

omit

'leave out' is the definition.
(synonyms)

'of room itself' is the wordplay.
'of' indicates a hidden word.
'OMIT' can be found hidden inside 'room itself'.

(Other definitions for omit that I've seen before include "Leave out or overlook" , "Leave out or fail to do" , "Drop" , "Exclude; veto" , "Leave out, perhaps in error" .)

I've seen this clue in The Mirror and The Daily Express.

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