Los Angeles prosecuters say they won't prosecute actor Kevin Spacey on a 1992 sexual assault accusation because it falls outside the California statute of limitations.
The case, involving an adult male, was presented to Los Angeles prosecutors in April and had been under review.
The nature and origin of the accusation were not disclosed.
The Los Angeles District Attorney's office said in a charge evaluation sheet released on Tuesday that the allegation was outside the statue of limitations and that prosecution had been declined.
Spacey could not be reached for comment.
Spacey became embroiled in controversy in 2017 when actor Anthony Rapp accused him of trying to seduce him in 1986 when Rapp was 14.
Spacey apologised for any inappropriate conduct with Rapp but has not commented since and has stepped away from public life.
The Los Angeles District Attorney's office said in August it was reviewing a second sexual assault accusation against Spacey, but declined to give details.
The case is still under review.
Spacey, the Oscar-winning star of American Beauty, is one of dozens of men in the entertainment industry and politics who have been accused of sexual misconduct in the past 10 months, partly as a result of the #MeToo social media movement.
He was dropped last year from the Netflix television series House of Cards and erased from the film All the Money in the World.
Australian Associated Press