Why was Ed deline written off the show las Vegas?

Ed Deline, played by Tom Selleck, was written off the show "Las Vegas" primarily due to the show's creative direction and a desire to refresh the storyline. The character's departure allowed for new storylines and characters to be introduced, which the producers believed would reinvigorate viewer interest. Additionally, Selleck's commitment to other projects may have influenced the decision to write off his character.