diff --git a/.gitmodules b/.gitmodules
index a82bfa8..e69de29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "smoother/mbed"]
-	path = smoother/mbed
-	url = git@github.com:chamnit/smoother-libmbed.git
diff --git a/smoother/mbed b/smoother/mbed
deleted file mode 160000
index 3e2fd16..0000000
--- a/smoother/mbed
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 3e2fd166402b136ff45defd54df2c79909f1e346