Featherstone chief executive Craig Poskitt says the dual-registration system is "bad for the integrity of the sport".
Rovers, minor premiers in the Championship for the past three seasons, have refused to adopt the system and a partner club, as have rivals Leigh, Sheffield and Halifax.
It has led to much criticism, but Leeds coach Brian McDermott said last week that he believed dual-registration is raising standards outside Super League and is good for the game.
Poskitt told the Yorkshire Evening Post: "It is not working.
"I think from Super League clubs’ point of view they will be quite happy saving six-figures per annum with no Under-20s.
"But it has been bad for the progression of the game and certainly for the integrity of the lower clubs, it is abysmal."
Hull Kingston Rovers have confirmed that experienced halfback Terry Campese has joined them pn a one-year deal ahead of the 2015 campaign.
Leigh Centurions have confirmed that Fiufui Moimoi has signed a one-year deal with the club, with the option of a second year.
The UK Parliamentary Rugby League Group has given its backing to a fans' boycott of the BBC's annual Sports Personality of the Year award.
The RFL have confirmed that there will be four rule changes at all levels of the professional game for the 2015 season.