diff --git a/.gitmodules b/.gitmodules
index 44b922e..a76b862 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule ".vim/bundle/calendar.vim--Matsumoto"]
-	path = .vim/bundle/calendar.vim--Matsumoto
-	url = git://github.com/vim-scripts/calendar.vim--Matsumoto.git
 [submodule ".vim/bundle/vim-less"]
 	path = .vim/bundle/vim-less
 	url = git://github.com/lunaru/vim-less.git
diff --git a/.vim/bundle/calendar.vim--Matsumoto b/.vim/bundle/calendar.vim--Matsumoto
deleted file mode 160000
index 9ce3ebc..0000000
--- a/.vim/bundle/calendar.vim--Matsumoto
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9ce3ebc0018dc6fdaac8320002daf616685efc89