diff --git a/go/svc/m6220-proxy/proto/.gitignore b/go/svc/m6220-proxy/proto/.gitignore
new file mode 100644
index 0000000..3cf12ab
--- /dev/null
+++ b/go/svc/m6220-proxy/proto/.gitignore
@@ -0,0 +1 @@
+proxy.pb.go
diff --git a/go/svc/m6220-proxy/proto/proxy.pb.go b/go/svc/m6220-proxy/proto/proxy.pb.go
deleted file mode 100644
index 148b878..0000000
--- a/go/svc/m6220-proxy/proto/proxy.pb.go
+++ /dev/null
@@ -1,203 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// source: proxy.proto
-
-package proto
-
-import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	context "golang.org/x/net/context"
-	grpc "google.golang.org/grpc"
-	math "math"
-)
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
-
-type RunCommandRequest struct {
-	Command              string   `protobuf:"bytes,1,opt,name=command,proto3" json:"command,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *RunCommandRequest) Reset()         { *m = RunCommandRequest{} }
-func (m *RunCommandRequest) String() string { return proto.CompactTextString(m) }
-func (*RunCommandRequest) ProtoMessage()    {}
-func (*RunCommandRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_700b50b08ed8dbaf, []int{0}
-}
-
-func (m *RunCommandRequest) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_RunCommandRequest.Unmarshal(m, b)
-}
-func (m *RunCommandRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_RunCommandRequest.Marshal(b, m, deterministic)
-}
-func (m *RunCommandRequest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_RunCommandRequest.Merge(m, src)
-}
-func (m *RunCommandRequest) XXX_Size() int {
-	return xxx_messageInfo_RunCommandRequest.Size(m)
-}
-func (m *RunCommandRequest) XXX_DiscardUnknown() {
-	xxx_messageInfo_RunCommandRequest.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_RunCommandRequest proto.InternalMessageInfo
-
-func (m *RunCommandRequest) GetCommand() string {
-	if m != nil {
-		return m.Command
-	}
-	return ""
-}
-
-type RunCommandResponse struct {
-	EffectiveCommand     string   `protobuf:"bytes,1,opt,name=effective_command,json=effectiveCommand,proto3" json:"effective_command,omitempty"`
-	Lines                []string `protobuf:"bytes,2,rep,name=lines,proto3" json:"lines,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *RunCommandResponse) Reset()         { *m = RunCommandResponse{} }
-func (m *RunCommandResponse) String() string { return proto.CompactTextString(m) }
-func (*RunCommandResponse) ProtoMessage()    {}
-func (*RunCommandResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_700b50b08ed8dbaf, []int{1}
-}
-
-func (m *RunCommandResponse) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_RunCommandResponse.Unmarshal(m, b)
-}
-func (m *RunCommandResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_RunCommandResponse.Marshal(b, m, deterministic)
-}
-func (m *RunCommandResponse) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_RunCommandResponse.Merge(m, src)
-}
-func (m *RunCommandResponse) XXX_Size() int {
-	return xxx_messageInfo_RunCommandResponse.Size(m)
-}
-func (m *RunCommandResponse) XXX_DiscardUnknown() {
-	xxx_messageInfo_RunCommandResponse.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_RunCommandResponse proto.InternalMessageInfo
-
-func (m *RunCommandResponse) GetEffectiveCommand() string {
-	if m != nil {
-		return m.EffectiveCommand
-	}
-	return ""
-}
-
-func (m *RunCommandResponse) GetLines() []string {
-	if m != nil {
-		return m.Lines
-	}
-	return nil
-}
-
-func init() {
-	proto.RegisterType((*RunCommandRequest)(nil), "proto.RunCommandRequest")
-	proto.RegisterType((*RunCommandResponse)(nil), "proto.RunCommandResponse")
-}
-
-func init() { proto.RegisterFile("proxy.proto", fileDescriptor_700b50b08ed8dbaf) }
-
-var fileDescriptor_700b50b08ed8dbaf = []byte{
-	// 165 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xe2, 0x2e, 0x28, 0xca, 0xaf,
-	0xa8, 0xd4, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x62, 0x05, 0x53, 0x4a, 0xba, 0x5c, 0x82, 0x41,
-	0xa5, 0x79, 0xce, 0xf9, 0xb9, 0xb9, 0x89, 0x79, 0x29, 0x41, 0xa9, 0x85, 0xa5, 0xa9, 0xc5, 0x25,
-	0x42, 0x12, 0x5c, 0xec, 0xc9, 0x10, 0x11, 0x09, 0x46, 0x05, 0x46, 0x0d, 0xce, 0x20, 0x18, 0x57,
-	0x29, 0x9c, 0x4b, 0x08, 0x59, 0x79, 0x71, 0x41, 0x7e, 0x5e, 0x71, 0xaa, 0x90, 0x36, 0x97, 0x60,
-	0x6a, 0x5a, 0x5a, 0x6a, 0x72, 0x49, 0x66, 0x59, 0x6a, 0x3c, 0xaa, 0x4e, 0x01, 0xb8, 0x04, 0x54,
-	0x93, 0x90, 0x08, 0x17, 0x6b, 0x4e, 0x66, 0x5e, 0x6a, 0xb1, 0x04, 0x93, 0x02, 0xb3, 0x06, 0x67,
-	0x10, 0x84, 0x63, 0xe4, 0xcf, 0xc5, 0xe5, 0x6b, 0x66, 0x64, 0x64, 0x10, 0x00, 0x72, 0xa2, 0x90,
-	0x23, 0x17, 0x17, 0xc2, 0x1a, 0x21, 0x09, 0x88, 0x93, 0xf5, 0x30, 0x1c, 0x2a, 0x25, 0x89, 0x45,
-	0x06, 0xe2, 0xa6, 0x24, 0x36, 0xb0, 0x8c, 0x31, 0x20, 0x00, 0x00, 0xff, 0xff, 0x39, 0x6d, 0xab,
-	0xdd, 0xf5, 0x00, 0x00, 0x00,
-}
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConn
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion4
-
-// M6220ProxyClient is the client API for M6220Proxy service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type M6220ProxyClient interface {
-	RunCommand(ctx context.Context, in *RunCommandRequest, opts ...grpc.CallOption) (*RunCommandResponse, error)
-}
-
-type m6220ProxyClient struct {
-	cc *grpc.ClientConn
-}
-
-func NewM6220ProxyClient(cc *grpc.ClientConn) M6220ProxyClient {
-	return &m6220ProxyClient{cc}
-}
-
-func (c *m6220ProxyClient) RunCommand(ctx context.Context, in *RunCommandRequest, opts ...grpc.CallOption) (*RunCommandResponse, error) {
-	out := new(RunCommandResponse)
-	err := c.cc.Invoke(ctx, "/proto.M6220Proxy/RunCommand", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// M6220ProxyServer is the server API for M6220Proxy service.
-type M6220ProxyServer interface {
-	RunCommand(context.Context, *RunCommandRequest) (*RunCommandResponse, error)
-}
-
-func RegisterM6220ProxyServer(s *grpc.Server, srv M6220ProxyServer) {
-	s.RegisterService(&_M6220Proxy_serviceDesc, srv)
-}
-
-func _M6220Proxy_RunCommand_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(RunCommandRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(M6220ProxyServer).RunCommand(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/proto.M6220Proxy/RunCommand",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(M6220ProxyServer).RunCommand(ctx, req.(*RunCommandRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _M6220Proxy_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "proto.M6220Proxy",
-	HandlerType: (*M6220ProxyServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "RunCommand",
-			Handler:    _M6220Proxy_RunCommand_Handler,
-		},
-	},
-	Streams:  []grpc.StreamDesc{},
-	Metadata: "proxy.proto",
-}