The throw quadruple Salchow is out and so is a Chinese pairs team.
According to www.chinabroadcast.cn, Dan Zhang and Hao Zhang won't be including in their worlds program the fantastic element during which Dan Zhang crashed at the Turin Olympics last month.
The pairs short program, along with men's qualifying, opens the world figure skating championships Monday at the Saddledome.
The Chinese pairs team went on to earn silver, behind Russians Tatiana Totmianina and Maxim Marinin, who retired from amateur competition following the Winter Games.
The website also announced bronze medallists Xue Shen and Hongbo Zhao will be skipping worlds as Zhao continues to be bothered by an ankle injury.
He tore the Achilles tendon on his right foot last summer and skated through the pain at the Olympics.
The Figure Skating Federation of Russia was so disappointed in Alexander Uspenski's eighth-place finish at the world juniors in Slovenia last weekend, it has told him to stay home. Expected to be on the podium, Uspenski will be replaced by Andrey Gryazev.