Forward Luc Mbah a Moute failed his physical, and his contract with the the Sacramento Kings was voided, the team announced Thursday.
Mbah a Moute had signed with the team on Tuesday.
Mbah a Moute played nine games with the Kings at the start of the 2013-14 season and then was traded to the Minnesota Timberwolves.
Last season, Mbah a Moute played 67 games (61 starts) for the Philadelphia 76ers, averaging 9.9 points and 4.9 rebounds.
Over 466 NBA games, Mbah a Moute has averaged 6.8 points and 4.9 rebounds.