diff --git a/.gitmodules b/.gitmodules
index 400f847e..e0bb88f8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -27,6 +27,3 @@
 [submodule "kcptun/go"]
 	path = kcptun/go
 	url = https://github.com/shadowsocks/go
-[submodule "src/main/jni/mbedtls"]
-	path = src/main/jni/mbedtls
-	url = https://github.com/shadowsocks/mbedtls
diff --git a/src/main/jni/mbedtls b/src/main/jni/mbedtls
deleted file mode 160000
index 1e4ec667..00000000
--- a/src/main/jni/mbedtls
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 1e4ec667a4dd5f06ccc41d69cdef3e07f92fa242
diff --git a/src/main/jni/shadowsocks-libev b/src/main/jni/shadowsocks-libev
index 3f16db1d..8f72416f 160000
--- a/src/main/jni/shadowsocks-libev
+++ b/src/main/jni/shadowsocks-libev
@@ -1 +1 @@
-Subproject commit 3f16db1decd1e4dac8548fc150ce0c8853f9090b
+Subproject commit 8f72416f0f487adab36598678576ab288bfc4f84