diff --git a/Makefile b/Makefile
index 0de702e6..6a274e55 100644
--- a/Makefile
+++ b/Makefile
@@ -101,24 +101,10 @@ fix: bin/golangci-lint ## Fix lint violations
 docker-image:
 	@sudo docker build -t $(DOCKER_IMAGE) .
 
-.PHONY: proto-old
-proto-old: bin/protoc-old bin/protoc-gen-go-old
-	@./bin/protoc-old --go_out=plugins=grpc:. --plugin=protoc-gen-go=./bin/protoc-gen-go-old api/v2/*.proto
-	@cp api/v2/*.proto api/
-	@./bin/protoc-old --go_out=plugins=grpc:. --plugin=protoc-gen-go=./bin/protoc-gen-go-old api/*.proto
-
 .PHONY: verify-proto
 verify-proto: proto
 	@./scripts/git-diff
 
-bin/protoc-old: scripts/get-protoc
-	@./scripts/get-protoc bin/protoc-old
-
-bin/protoc-gen-go-old:
-	@mkdir -p tmp
-	@GOBIN=$$PWD/tmp go install -v github.com/golang/protobuf/protoc-gen-go@v1.3.2
-	@mv tmp/protoc-gen-go bin/protoc-gen-go-old
-
 clean:
 	@rm -rf bin/
 
diff --git a/scripts/get-protoc b/scripts/get-protoc
deleted file mode 100755
index 41b8f54a..00000000
--- a/scripts/get-protoc
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/bash -e
-
-# This is a script to download protoc. Rather than depending on the version on
-# a developer's machine, always download a specific version.
-
-VERSION="3.1.0"
-
-if [ $# -ne 1 ]; then
-  echo "Usage: ./get-protoc [dest]"
-  exit 2
-fi
-
-# Use the go tool to determine OS.
-OS=$( go env GOOS )
-
-if [ "$OS" = "darwin" ]; then
-  OS="osx"
-fi
-
-mkdir -p bin
-
-# TODO(ericchiang): Architectures other than amd64?
-ZIP="protoc-${VERSION}-${OS}-x86_64.zip"
-URL="https://github.com/google/protobuf/releases/download/v${VERSION}/${ZIP}"
-
-wget ${URL}
-# Unpack the protoc binary. Later we might want to grab additional data. 
-unzip -p ${ZIP} bin/protoc > $1
-chmod +x $1
-rm ${ZIP}