to remove all the people or things from an organization that are thought to be unnecessary or need changing
make a clean sweep (of sth)
to remove all the people or things from an organization that are thought to be unnecessary or need changing
make a clean sweep (of sth)
to win all the prizes or parts of a game or competition; to win an election completely
China made a clean sweep of the medals in the gymnastics events.
Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición