Bad news for Phillip Phillips fans. The 'American Idol' winner and 'Home' singer has to nix his remaining tour dates -- but not because he wants to.

Phillips has nine remaining dates of his college tour, but his health is getting in the way.

"His doctor said he has to get off the road," a source told The Hollywood Reporter. "He was playing six shows a week, and it’s too much for him."

Phillips has been suffering kidney issues since before he gained fame on 'Idol,' undergoing surgery last year for a severe bout of kidney stones. In addition to his ongoing kidney issues, sources say he was suffering exhaustion and dehydration to boot. "His body doesn't bounce back, and he's been feeling run-down," the source admitted.

The crooner confirmed the news on his Facebook page this morning (May 6), writing, "Hey guys, due to doctor's orders I have to postpone my last few tour dates. They will be rescheduled! Looking forward to seeing you all on on the John Mayer tour this summer!"

Watch the Phillip Phillips 'Home' Video