The Western Force and Melbourne Rebels will learn within three days which of them is to be axed, Australian Rugby Union chairman Cameron Clyne says.
Clyne says the decision on which Super Rugby team to drop will be made by the ARU within 48 to 72 hours and after consultation with both franchises.
It's part of a broader restructure of an unwieldy and unpopular Super Rugby competition format, which is to be slashed from 18 teams to 15 after this season, with two South African sides also to go.
But Clyne emphasised on Monday the decision to cut one of the five Australian sides was taken by the ARU, not Super Rugby governing body SANZAAR.
And he insisted it was in the best interests of Australian rugby with the franchises bleeding money.