diff --git a/.gitmodules b/.gitmodules
index 9d9a0dc..06bea7c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
 [submodule "themes/blackburn"]
 	path = themes/blackburn
 	url = https://github.com/yoshiharuyamashita/blackburn
-[submodule "blackburn"]
-	path = blackburn
-	url = https://github.com/yoshiharuyamashita/blackburn