diff --git a/proxy/testing/mocks/inboundhandler.go b/proxy/testing/mocks/inboundhandler.go
deleted file mode 100644
index b90eb3300..000000000
--- a/proxy/testing/mocks/inboundhandler.go
+++ /dev/null
@@ -1,72 +0,0 @@
-package mocks
-
-import (
-	"io"
-	"sync"
-
-	"v2ray.com/core/app/dispatcher"
-	"v2ray.com/core/common/buf"
-	v2net "v2ray.com/core/common/net"
-	"v2ray.com/core/proxy"
-)
-
-type InboundConnectionHandler struct {
-	ListeningPort    v2net.Port
-	ListeningAddress v2net.Address
-	PacketDispatcher dispatcher.PacketDispatcher
-	ConnInput        io.Reader
-	ConnOutput       io.Writer
-}
-
-func (v *InboundConnectionHandler) Start() error {
-	return nil
-}
-
-func (v *InboundConnectionHandler) Port() v2net.Port {
-	return v.ListeningPort
-}
-
-func (v *InboundConnectionHandler) Close() {
-
-}
-
-func (v *InboundConnectionHandler) Communicate(destination v2net.Destination) error {
-	ray := v.PacketDispatcher.DispatchToOutbound(&proxy.SessionInfo{
-		Source:      v2net.TCPDestination(v2net.LocalHostIP, v2net.Port(0)),
-		Destination: destination,
-		Inbound: &proxy.InboundHandlerMeta{
-			AllowPassiveConnection: false,
-		},
-	})
-
-	input := ray.InboundInput()
-	output := ray.InboundOutput()
-
-	readFinish := &sync.Mutex{}
-	writeFinish := &sync.Mutex{}
-
-	readFinish.Lock()
-	writeFinish.Lock()
-
-	go func() {
-		v2reader := buf.NewReader(v.ConnInput)
-		defer v2reader.Release()
-
-		buf.Pipe(v2reader, input)
-		input.Close()
-		readFinish.Unlock()
-	}()
-
-	go func() {
-		v2writer := buf.NewWriter(v.ConnOutput)
-		defer v2writer.Release()
-
-		buf.Pipe(output, v2writer)
-		output.Release()
-		writeFinish.Unlock()
-	}()
-
-	readFinish.Lock()
-	writeFinish.Lock()
-	return nil
-}
diff --git a/proxy/testing/mocks/outboundhandler.go b/proxy/testing/mocks/outboundhandler.go
deleted file mode 100644
index fce69d82d..000000000
--- a/proxy/testing/mocks/outboundhandler.go
+++ /dev/null
@@ -1,54 +0,0 @@
-package mocks
-
-import (
-	"io"
-	"sync"
-
-	"v2ray.com/core/app"
-	"v2ray.com/core/common/buf"
-	v2net "v2ray.com/core/common/net"
-	"v2ray.com/core/proxy"
-	"v2ray.com/core/transport/ray"
-)
-
-type OutboundConnectionHandler struct {
-	Destination v2net.Destination
-	ConnInput   io.Reader
-	ConnOutput  io.Writer
-}
-
-func (v *OutboundConnectionHandler) Dispatch(destination v2net.Destination, payload *buf.Buffer, ray ray.OutboundRay) {
-	input := ray.OutboundInput()
-	output := ray.OutboundOutput()
-
-	v.Destination = destination
-	if !payload.IsEmpty() {
-		v.ConnOutput.Write(payload.Bytes())
-	}
-	payload.Release()
-
-	writeFinish := &sync.Mutex{}
-
-	writeFinish.Lock()
-
-	go func() {
-		v2writer := buf.NewWriter(v.ConnOutput)
-		defer v2writer.Release()
-
-		buf.Pipe(input, v2writer)
-		writeFinish.Unlock()
-		input.Release()
-	}()
-
-	writeFinish.Lock()
-
-	v2reader := buf.NewReader(v.ConnInput)
-	defer v2reader.Release()
-
-	buf.Pipe(v2reader, output)
-	output.Close()
-}
-
-func (v *OutboundConnectionHandler) Create(space app.Space, config interface{}, sendThrough v2net.Address) (proxy.OutboundHandler, error) {
-	return v, nil
-}
diff --git a/proxy/testing/proxy.go b/proxy/testing/proxy.go
deleted file mode 100644
index f39f83719..000000000
--- a/proxy/testing/proxy.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package testing
-
-import (
-	"fmt"
-
-	"v2ray.com/core/common"
-	"v2ray.com/core/proxy/registry"
-)
-
-var count = 0
-
-func randomString() string {
-	count++
-	return fmt.Sprintf("-%d", count)
-}
-
-func RegisterInboundConnectionHandlerCreator(prefix string, creator registry.InboundHandlerFactory) (string, error) {
-	for {
-		name := prefix + randomString()
-		err := registry.RegisterInboundHandlerCreator(name, creator)
-		if err != common.ErrDuplicatedName {
-			return name, err
-		}
-	}
-}
-
-func RegisterOutboundConnectionHandlerCreator(prefix string, creator registry.OutboundHandlerFactory) (string, error) {
-	for {
-		name := prefix + randomString()
-		err := registry.RegisterOutboundHandlerCreator(name, creator)
-		if err != common.ErrDuplicatedName {
-			return name, err
-		}
-	}
-}