The Charlotte Hornets waived forward Sam Thompson, center Jason Washburn, guard/forward Damien Wilkins and guard Elliot Williams on Friday. The 6-foot-7, 200-pound Thompson signed with the Hornets on Sept. 15 and played in five preseason games, averaging 0.8 points in 6.1 minutes per game.The 7-0, 245-pound Washburn signed with Charlotte on Sept. 15 and appeared in four preseason games, averaging 1.3 rebounds in 4.6 minutes per game.The 6-6, 225-pound Wilkins, who signed with the Hornets on Oct. 16, played in three preseason games and posted averages of 5.0 points, 1.7 assists and 1.3 rebounds in 17.1 minutes per game.The 6-5, 180-pound Williams averaged 5.5 points and 2.5 rebounds in 13.0 minutes per game in two preseason contests. He signed with Charlotte on July 28.The Hornets' roster now stands at 15.