diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 8cedb7b..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,4 +0,0 @@
-[submodule "third_party/mruby"]
-	path = third_party/mruby
-	url = https://github.com/mruby/mruby
-	branch = stable