diff --git a/Dockerfile-builder b/Dockerfile-builder
deleted file mode 100644
index 3ca1303c..00000000
--- a/Dockerfile-builder
+++ /dev/null
@@ -1,5 +0,0 @@
-FROM golang:1.6
-
-RUN go get golang.org/x/tools/cmd/cover
-RUN go get golang.org/x/tools/cmd/vet
-RUN go get github.com/tools/godep