Sandra Izbasa, the Romanian who beat McKayla Maroney for 2012 Olympic vault gold, will not try to defend that title in Rio, according to Romanian media.
Izbasa, 25 and a four-time Olympic medalist, competed at the 2013 World Championships, took a break and returned in 2015. She missed the October World Championships due to a reported foot injury.
In London, Maroney and Izbasa were the last two gymnasts to go in the vault final.
After Maroney fell on her second of two vaults, Izbasa landed both of hers with hops and edged her American friend for gold by a combined .