Moldovan canoeist Serghei Tarnovschi was stripped Friday of his Olympic bronze medal for a doping violation.
The Ukraine-born Tarnovschi, 19, secured a podium finish Tuesday in the men's canoe single 1000 meter final Tuesday in Rio.
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The International Olympic Committee's disciplinary commission has now amended the result after the failed drug test.
Russia's Ilia Shtokalov will take bronze from a sprint race won by German Sebastian Brendel, with Isaquias Queiroz dos Santos taking silver for host nation Brazil.
On Thursday, Kyrgyz weightlifter Izzat Artykov was the first Rio competitor stripped of a medal for failing a doping test.