diff --git a/app/router/router_test.go b/app/router/router_test.go
index 12350fb94..855272cb7 100644
--- a/app/router/router_test.go
+++ b/app/router/router_test.go
@@ -7,8 +7,6 @@ import (
 	"v2ray.com/core/app"
 	"v2ray.com/core/app/dispatcher"
 	_ "v2ray.com/core/app/dispatcher/impl"
-	"v2ray.com/core/app/dns"
-	_ "v2ray.com/core/app/dns/server"
 	"v2ray.com/core/app/proxyman"
 	_ "v2ray.com/core/app/proxyman/outbound"
 	. "v2ray.com/core/app/router"
@@ -33,7 +31,6 @@ func TestSimpleRouter(t *testing.T) {
 
 	space := app.NewSpace()
 	ctx := app.ContextWithSpace(context.Background(), space)
-	assert(app.AddApplicationToSpace(ctx, new(dns.Config)), IsNil)
 	assert(app.AddApplicationToSpace(ctx, new(dispatcher.Config)), IsNil)
 	assert(app.AddApplicationToSpace(ctx, new(proxyman.OutboundConfig)), IsNil)
 	assert(app.AddApplicationToSpace(ctx, config), IsNil)