It will be the Irish rider's first absence since 2009
Nicolas Roche will not ride in this year's Tour de France.
The son of 1987 winner Stephen Roche has been excluded from the Team Sky party, who are gunning for a fourth Tour victory.
It's the first time since 2009 that Roche will be absent from the race.
Defending champion Chris Froome will lead Team Sky's nine-person squad for cycling's pinnacle race.
"We have selected a talented group of riders with Chris as the leader once again. I know they will do everything they can to help him try to win yellow," said team principal Sir Dave Brailsford.