diff --git a/lib/prompb/README.md b/lib/prompb/README.md
deleted file mode 100644
index d2aa933ef..000000000
--- a/lib/prompb/README.md
+++ /dev/null
@@ -1,14 +0,0 @@
-The compiled protobufs are version controlled and you won't normally need to
-re-compile them when building Prometheus.
-
-If however you have modified the defs and do need to re-compile, run
-`./scripts/genproto.sh` from the parent dir.
-
-In order for the script to run, you'll need `protoc` (version 3.5) in your
-PATH, and the following Go packages installed:
-
-- github.com/gogo/protobuf
-- github.com/gogo/protobuf/protoc-gen-gogofast
-- github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/
-- github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger
-- golang.org/x/tools/cmd/goimports