Danny Cipriani's future in Melbourne looks extremely shaky after the Rebels omitted the former England star from a 26-man squad for a two-game Super Rugby tour of South Africa.

The club on Sunday released a brief statement saying that while the Rebels were playing the Bulls in Pretoria and Cheetahs in Bloemfontein, Cipriani would be in Melbourne training with the non-touring players.

The talented-but-troubled playmaker was stood down from last Friday's loss to Queensland along with teammate Richard Kingi after ignoring a team directive with a late night out after their loss to the NSW Waratahs in Sydney six days earlier.

Kingi has been recalled for the South Africa trip, but Cipriani's teammates have seemingly lost confidence in their English import, leaving his future with the Rebels uncertain.

"Following meetings yesterday between the Rebels players, coaches and management, it has been decided that Danny Cipriani will not travel to South Africa," the Rebels' statement said.

"Danny will train with the other non-touring players over the next two weeks and will continue his community engagement with local clubs and schools during this time."

Cipriani was in trouble earlier in his stay with the competition newcomers, fined by the club for a nightclub incident in February.

On that occasion, the star five-eighth was fined one match payment after fronting the Rebels' players standards group for helping himself to a bottle of vodka from a Melbourne nightclub.

Rebels coach Rod Macqueen was tightlipped when asked on Sunday if he could shed any further light on the Cipriani situation.

"I'm just focused on the games in South Africa," he told AAP.

"I don't want to comment on anything regarding Danny Cipriani."

Rebels squad for South Africa tour: Nic Henderson, Rodney Blake, Greg Somerville, Laurie Weeks, Ged Robinson, Heath Tessmann, Alister Campbell, Kevin O'Neill, Hugh Pyle, Hoani Macdonald, Tim Davidson, Luke Jones, Michael Lipman, Gareth Delve, Jarrod Saffy, Richard Kingi, Nick Phipps, James Hilgendorf, Julian Huxley, Stirling Mortlock, Mark Gerrard, Peter Betham, Afusipa Taumoepeau, Lachlan Mitchell, Luke Rooney, Cooper Vuna.

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