He's hanging up his dancing shoes.
"I'm done dancing," he said on the daytime talk show. "I feel like it's time."
"When I came back to the show, it was not the same -- I was different, probably," he explained of his earlier departure from "DWTS" in February 2013. "When I came back, I saw this amazing talent ... I looked at it and thought they can do much more and better. I was taking up a huge spot."
At this point, it's unknown if Chmerkovskiy will be returning as a judge.
Chmerkovskiy, 34, originally left "DWTS" after Season 16. This year, he returned for season 18, and won the Mirrorball trophy for the first time with Olympic ice skater Meryl Davis.