The actor sparked speculation he is bowing out of the sci-fi franchise after discussing his career during a recent interview with Entertainment Weekly magazine.
During the chat, Quinto revealed he feels ready to "go in a different direction" when he finishes his current arc on Tv series American Horror Story and once the forthcoming follow-up to his 2009 Star Trek reboot is released.
He said, "It's like an era of association with certain roles - a specific part like Spock, or a kind of part, like (my Heroes character) Sylar - is coming to an end."
Quinto has since taken to Twitter.com to clarify his remark, writing, "Simmer down kids. Rumors are rumors for a reason. Quotes out of context. Let's let the second movie come out before we talk about a third..."