make a clean sweep of something—
1. eliminate smth.:
- The revolutionary force of motorization has made a clean sweep of all other patterns of living.
2. win all the prizes, seats in parliament, etc.:
- Mr. Drapeau’s Civic Party made a clean sweep of all 52 seats on the city council.
sweep something clean—clear dust, dirt, etc. from the area with a brush or broom:
- Bohm promptly grabbed a broom and swept the room clean himself.
See also: sweep clear for something / sweep clear of something.