diff --git a/.gitmodules b/.gitmodules
index a86b572..e871764 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,7 +4,3 @@
 [submodule "cube/libmbus"]
 	path = cube/libmbus
 	url = https://github.com/wollud1969/libmbus.git
-[submodule "cube/ioLibrary_Driver"]
-	path = cube/ioLibrary_Driver
-	url = https://github.com/wollud1969/ioLibrary_Driver.git
-	branch = WolfgangsOwnBranch