The first five-and-a-half of the eight episodes filmed for the first season were shot prior to Welch's death.
Welch died Dec. 2 of lung cancer. He was 48.
Mike Judge, creator of "Silicon Valley," said he and exec producer Alec Berg rewrote scenes of the show, but not enough to change the story.
Read Playbil.com's write up of Welch's memorial here.
“[Welch] was incredible and we loved writing for him,” Berg told TheWrap.