Remove in one victory (5)
I believe the answer is:
evict
'remove' is the definition.
(I've seen this before)
'in one victory' is the wordplay.
'in' indicates a hidden word.
'EVICT' can be found hidden inside 'one victory'.
(Other definitions for evict that I've seen before include "remove from home" , "Expel from home" , "Throw from the premises" , "Remove form house for non-payment" , "Turn out of home" .)