diff --git a/client/3rd/OpenVPNAdapter.bk b/client/3rd/OpenVPNAdapter.bk
deleted file mode 160000
index 7c821a8d..00000000
--- a/client/3rd/OpenVPNAdapter.bk
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 7c821a8d5c1ad5ad94e0763b4f25a875b5a6fe1b