diff --git a/.gitmodules b/.gitmodules
index 230f710..53f786b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -622,9 +622,6 @@
 [submodule "ruby-md2man"]
 	path = ruby-md2man
 	url = ssh://aur@aur.archlinux.org/ruby-md2man.git
-[submodule "ruby-mdl"]
-	path = ruby-mdl
-	url = ssh://aur@aur.archlinux.org/ruby-mdl.git
 [submodule "ruby-memo_wise"]
 	path = ruby-memo_wise
 	url = ssh://aur@aur.archlinux.org/ruby-memo_wise.git
diff --git a/ruby-mdl b/ruby-mdl
deleted file mode 160000
index 5a12513..0000000
--- a/ruby-mdl
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5a12513a8ecb3703ec1c17bf9293f551bad38e86