diff --git a/appveyor.yml b/appveyor.yml
index 08ff1808..599d3598 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,7 +13,6 @@ environment:
     GOPATH: C:\gopath
 
 install:
-  - git submodule update --init
   - go version
   - go get -u v2ray.com/core/...
   - go get -u v2ray.com/ext/...