AP

After Sunday’s loss to the Colts, 49ers coach Jim Harbaugh wouldn’t say whether linebacker Aldon Smith will play Thursday night against the Rams.

Harbaugh’s boss has now addressed the issue instead: The 49ers have announced that, according to CEO Jed York, Smith will not face the Rams.

The 49ers haven’t given a reason for the absence, but it likely means he’ll be entering rehab for alcohol abuse. Smith was arrested for suspicion of DUI on Friday, the second alcohol-related incident of his three-year NFL career.

Smith played extensively on Sunday, registering five tackles but no sacks.