diff --git a/app/router/router.go b/app/router/router.go
index 9160c207..b28fbd12 100644
--- a/app/router/router.go
+++ b/app/router/router.go
@@ -115,8 +115,6 @@ func (Router) Interface() interface{} {
 	return (*Router)(nil)
 }
 
-type RouterFactory struct{}
-
 func FromSpace(space app.Space) *Router {
 	app := space.GetApplication((*Router)(nil))
 	if app == nil {
diff --git a/transport/internet/headers/http/http.go b/transport/internet/headers/http/http.go
index 6d86965f..e6b65c15 100644
--- a/transport/internet/headers/http/http.go
+++ b/transport/internet/headers/http/http.go
@@ -13,7 +13,6 @@ import (
 	"v2ray.com/core/common"
 	"v2ray.com/core/common/buf"
 	"v2ray.com/core/common/serial"
-	"v2ray.com/core/transport/internet"
 )
 
 const (
@@ -259,20 +258,14 @@ func (v HttpAuthenticator) Server(conn net.Conn) net.Conn {
 	}))
 }
 
-type HttpAuthenticatorFactory struct{}
-
-func (HttpAuthenticatorFactory) Create(config interface{}) internet.ConnectionAuthenticator {
-	return HttpAuthenticator{
-		config: config.(*Config),
-	}
-}
-
-func NewHttpAuthenticator(ctx context.Context, config interface{}) (interface{}, error) {
+func NewHttpAuthenticator(ctx context.Context, config *Config) (HttpAuthenticator, error) {
 	return HttpAuthenticator{
-		config: config.(*Config),
+		config: config,
 	}, nil
 }
 
 func init() {
-	common.Must(common.RegisterConfig((*Config)(nil), NewHttpAuthenticator))
+	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		return NewHttpAuthenticator(ctx, config.(*Config))
+	}))
 }
diff --git a/transport/internet/headers/http/http_test.go b/transport/internet/headers/http/http_test.go
index 167f2db8..cd1a2789 100644
--- a/transport/internet/headers/http/http_test.go
+++ b/transport/internet/headers/http/http_test.go
@@ -1,9 +1,9 @@
 package http_test
 
 import (
+	"context"
 	"net"
 	"testing"
-
 	"time"
 
 	"v2ray.com/core/common/buf"
@@ -34,8 +34,7 @@ func TestReaderWriter(t *testing.T) {
 func TestRequestHeader(t *testing.T) {
 	assert := assert.On(t)
 
-	factory := HttpAuthenticatorFactory{}
-	auth := factory.Create(&Config{
+	auth, err := NewHttpAuthenticator(context.Background(), &Config{
 		Request: &RequestConfig{
 			Uri: []string{"/"},
 			Header: []*Header{
@@ -45,10 +44,11 @@ func TestRequestHeader(t *testing.T) {
 				},
 			},
 		},
-	}).(HttpAuthenticator)
+	})
+	assert.Error(err).IsNil()
 
 	cache := buf.New()
-	err := auth.GetClientWriter().Write(cache)
+	err = auth.GetClientWriter().Write(cache)
 	assert.Error(err).IsNil()
 
 	assert.String(cache.String()).Equals("GET / HTTP/1.1\r\nTest: Value\r\n\r\n")
@@ -57,8 +57,8 @@ func TestRequestHeader(t *testing.T) {
 func TestConnection(t *testing.T) {
 	assert := assert.On(t)
 
-	factory := HttpAuthenticatorFactory{}
-	auth := factory.Create(new(Config))
+	auth, err := NewHttpAuthenticator(context.Background(), new(Config))
+	assert.Error(err).IsNil()
 
 	listener, err := net.Listen("tcp", "127.0.0.1:0")
 	assert.Error(err).IsNil()