Walker will no longer be a series regular after season 12.

Chicago Fireis losing another series regular.

However, it isn’t time to say goodbye just yet.

CHICAGO FIRE – “Completely Shattered” Episode 1103 – Pictured: Eamonn Walker Battalion as Wallace Boden

Eamonn Walker on ‘Chicago Fire’.Adrian S Burrows Sr/NBC

(The finale, titled “Never Say Goodbye,” airs May 22.)

Additionally, it isn’t a permanent goodbye.

Walker is the latest exit from the One Chicago family.

Spiridakos is expected to exit at the end of the series' current season.

Deadlinewas first to report the news.

Chicago Fireairs Wednesdays at 9 p.m. ET/PT on NBC.