vfsgen is not a direct dep

go.mod

@@ -80,8 +80,6 @@ require (
 	github.com/russross/blackfriday v0.0.0-20180804101149-46c73eb196ba // indirect
 	github.com/samuel/go-zookeeper v0.0.0-20170815201139-e6b59f6144be // indirect
 	github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect
-	github.com/shurcooL/httpfs v0.0.0-20181222201310-74dc9339e414 // indirect
-	github.com/shurcooL/vfsgen v0.0.0-20181202132449-6a9ea43bcacd // indirect
 	github.com/sirupsen/logrus v1.2.0
 	github.com/soheilhy/cmux v0.1.4 // indirect
 	github.com/spf13/afero v0.0.0-20171008182726-e67d870304c4 // indirect

go.sum

@@ -178,10 +178,6 @@ github.com/samuel/go-zookeeper v0.0.0-20170815201139-e6b59f6144be h1:9prAjluC9cN
 github.com/samuel/go-zookeeper v0.0.0-20170815201139-e6b59f6144be/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 h1:nn5Wsu0esKSJiIVhscUtVbo7ada43DJhG55ua/hjS5I=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
-github.com/shurcooL/httpfs v0.0.0-20181222201310-74dc9339e414 h1:IYVb70m/qpJGjyZV2S4qbdSDnsMl+w9nsQ2iQedf1HI=
-github.com/shurcooL/httpfs v0.0.0-20181222201310-74dc9339e414/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg=
-github.com/shurcooL/vfsgen v0.0.0-20181202132449-6a9ea43bcacd h1:ug7PpSOB5RBPK1Kg6qskGBoP3Vnj/aNYFTznWvlkGo0=
-github.com/shurcooL/vfsgen v0.0.0-20181202132449-6a9ea43bcacd/go.mod h1:TrYk7fJVaAttu97ZZKrO9UbRa8izdowaMIZcxYMbVaw=
 github.com/sirupsen/logrus v1.2.0 h1:juTguoYk5qI21pwyTXY3B3Y5cOTH3ZUyZCg1v/mihuo=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/soheilhy/cmux v0.1.4 h1:0HKaf1o97UwFjHH9o5XsHUOF+tqmdA7KEzXLpiyaw0E=