Remove dead code.
Remove dead code.

orthogonous/boom,ringtail/boom,rjeczalik/boom,espebra/boom,xuyi/boom,wyg3958/boom,mtojek/boom,gsquire/boom,zhaohaidao/boom,rakyll/hey,sunyi00/boom,sschepens/pla,rakyll/boom,rmoorman/boom,mantyr/boom,snowsnail/boom,torfuzx/boom,scalp42/boom