Matthews had been set to take the stage at the Jan. 30 benefit concert in the wake of the devastating Los Angeles wildfires.
The American Film Market (AFM) is headed back to Los Angeles for its 46th edition, taking place from November 11 to 16.
The location change follows last year's unpopular experiment of holding the indie film convention in Las Vegas.
Stars including Billie Eilish and Olivia Rodrigo are set to help raise funds to rebuild the LA area.
The American Film Market will return to Los Angeles for its 46th edition, which is set to take place Nov. 11-16 at the Fairmont Century Plaza in Century City.
The American Film Market is set to return to Los Angeles this year following a poorly received 2024 edition in Las Vegas.