Danny Cipriani will miss the Melbourne Rebels clash with the Queensland Reds this weekend after being stood down following a breach of club discipline.
The former England fly-half, in his first season with the Victoria club, will sit the game out along with team-mate Richard Kingi after going on a night out following Saturday's game against the Waratahs.
The decision was made by the Players Standards Group and was accepted by Cipriani and Kingi.
"We have taken this action due to a breach of team protocol," club captain Tim Davidson said.
"We are very protective of our standards and we are disappointed that these players have put themselves before the team."
Chief executive officer Ross Oakley added: "Both players defied a team directive to abstain from staying out late on Saturday night, given the six-day break ahead of our next game.
"The club fully supports the decision of our Player Standards Group."
The 23-year-old, who was famously dropped by England ahead of his proposed debut against Scotland in 2008 for being spotted in a nightclub, has already angered Melbourne officials during his brief stay with the club.
On March 1 he was warned he would be stood down if he stepped out of line again.