Jimmy Kimmel is proving he is definitely not a Jay Leno fan.

The late-night host couldn’t stop talking about the fellow funnyman during a recent interview with Playboy, on newsstands Friday.

“I have a filter mechanism in my head every night when I put together the monologue for our show: If I can imagine Jay Leno telling a joke, then I won’t do it, even if it’s a good joke,” he told the magazine.

He added that he doesn’t want his jokes to be taken the wrong way.

“I always feel bad if I hurt anybody’s feelings, but I don’t believe Jay Leno has actual feelings, and he doesn’t seem to be that worried about other people’s feelings,” Kimmel said. “Strangely I don’t even like talking about him anymore. The only time I think about him is when I’m asked.”

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But it's not the first time Kimmel has bashed Leno. Earlier this year, in an interview with Rolling Stone, Kimmel said it was hard not to hate on Leno.

"As a comedian, you can't NOT have disdain for what he's done. He totally sold out. He was a master chef who opened a Burger King."

In Playboy, Kimmel also reflected on how his show, “Jimmy Kimmel Live,” has evolved over the years. He opened up about his show’s no-so-successful co-host period.

“Most of our co-hosts were such bizarre characters,” he explained. “We had some very good and very bad co-hosts.  The good ones were the people with whom I was the most comfortable, so they returned regularly.  As for the bad ones, Deion Sanders was terrible.  And the psychic John Edward—awful.  I’m convinced all psychics are completely full of s**t.”

He said the show got a lot better when he “grew up.”

“There came a certain point when I knew change had arrived.  It was when Steve-O, the ‘Jackass’ stunt maniac, came on and wanted me to do a bit in which I’d throw darts into his a**.  That’s the moment I grew up: when I declined Steve-O’s invitation.”