diff --git a/.gitmodules b/.gitmodules
index 5ae8d875..d9ae2925 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "sphinx"]
-	path = sphinx
-	url = git://github.com/cppformat/sphinx.git
 [submodule "breathe"]
 	path = breathe
 	url = git://github.com/vitaut/breathe.git