Blink-182 have announced they are cancelling several upcoming shows including their headlining set at Riot Fest Chicago.

The band also announced their mini tour featuring support from State Champs, Seaway and American Authors will not be happening.

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A statement from the band cite medical issues with drummer Travis Barker who is not being cleared by his doctor for the upcoming dates.

“The past few months have just sucked as I have been sidelined just waiting for my doctors to clear me so I could get back on the road and perform with my band,” Barker says in the statement. “Unfortunately, the risks associated with drumming are still too great. I am doing everything I need to do so I can get back on the road as soon as possible. I want to thank my fans, family, friends and bandmates for all the love and support.”

Weezer, Run The Jewels and Taking Back Sunday will replace blink at Riot Fest, which they deemed one of their favorite festivals. They announced plans to return to Riot Fest in 2019 for the festival’s 15-year anniversary.

The band will also not be performing at the Surf Ranch Pros World Surf League Sept. 8 where Social Distortion will take their place.

This past June, the band postponed shows for their Vegas residency due to Barker’s blood clots.

Check out the band’s full statement below.