diff --git a/.gitmodules b/.gitmodules
index 626d10f..2989f8a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,6 +10,3 @@
 [submodule "lib/json"]
 	path = lib/json
 	url = https://github.com/nlohmann/json.git
-[submodule "lib/openXLSX"]
-	path = lib/openXLSX
-	url = https://github.com/troldal/OpenXLSX.git
diff --git a/lib/openXLSX b/lib/openXLSX
deleted file mode 160000
index b80da42..0000000
--- a/lib/openXLSX
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b80da42d1454f361c29117095ebe1989437db390