diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 0f7ea81..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "vendor/mruby"]
-	path = vendor/mruby
-	url = https://github.com/mruby/mruby.git