Dead Code Removal at Meta: Automatically Deleting Millions of Lines of Code and Petabytes of Deprecated Data. - Shackleton, Will; Cohn-Gordon, Katriel; Rigby, Peter C.; Abreu, Rui; Gill, James; Nagappan, Nachiappan; Nakad, Karim; Papagiannis, Ioannis; Petre, Luke; Megreli, Giorgi; Riggs, Patrick; Saindon, James (2023)