remove `new` trick for non-exported function
remove `new` trick for non-exported function

precisit/bittorrent-tracker,jhiesey/bittorrent-tracker,prozacchiwawa/bittorrent-tracker,jhiesey/bittorrent-tracker,LinusU/bittorrent-tracker,maxogden/bittorrent-tracker,feross/bittorrent-tracker,feross/bittorrent-tracker