The withdrawal followed the double blow of losing in the 100 and 200 to training partner Blake at the trials, a reality check before the Olympics.
Bolt was scheduled to run the 200 in Monaco in his final tune-up before the games, but will now come to the Olympics following two losses.
Despite the withdrawal, the 25-year-old Bolt insisted he'll be at the Games to retain the 100, 200, and 4x100 relay titles he won in Beijing four years ago in world-record times.
The first-round heats in the 100 at the Olympics are Aug. 4, with the semifinals and final the next day.
U.S. volleyball squad set. Olympic gold medalists Clay Stanley and Reid Priddy were among the players chosen by coach Alan Knipe for the United States roster for London.
Stanley and Priddy will be playing in their third Olympics. Both were starters on the U.S. team that won the gold medal at the Beijing Games.
Also returning from the 2008 Olympic team are libero Rich Lambourne, middle blocker David Lee, and outside hitter Sean Rooney.
Newcomers include outside hitters Matt Anderson and Paul Lotman, middle blockers Russell Holmes and David Smith, setter Brian Thornton, and opposite David McKienzie.
Setter Donald Suxho, who played in the 2004 Athens Games but did not play in Beijing, was also named.
The U.S. men were in Sofia, Bulgaria, where they are playing in the final round of the FIVB World League tournament, the last international competition before the Games. The Americans lost to Germany, 3-2, on Thursday night.
The United States, currently ranked sixth in the world, won the World League in 2008 before the gold medal victory in Beijing.
The team went undefeated in the 2008 Olympics, upsetting top-ranked Brazil in the final.
The men will open the London Games against Serbia on July 29.