diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 803988f5..00000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "vendor/h12.me/socks"]
-	path = vendor/h12.me/socks
-	url = https://github.com/h12w/socks
diff --git a/testing/scenarios/socks_test.go b/testing/scenarios/socks_test.go
index 3886eed6..830c04b4 100644
--- a/testing/scenarios/socks_test.go
+++ b/testing/scenarios/socks_test.go
@@ -6,7 +6,7 @@ import (
 	"v2ray.com/core/app/router"
 
 	xproxy "golang.org/x/net/proxy"
-	socks4 "h12.me/socks"
+	socks4 "h12.io/socks"
 	"v2ray.com/core"
 	"v2ray.com/core/app/proxyman"
 	"v2ray.com/core/common/net"
diff --git a/vendor/h12.me/socks b/vendor/h12.me/socks
deleted file mode 160000
index fa8c7922..00000000
--- a/vendor/h12.me/socks
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit fa8c79229fbda5e9996dd91341b9fc023aa5d33a