diff --git a/.gitmodules b/.gitmodules
index c962d488..0ed0313b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "lib/STM32CubeL4"]
-	path = lib/STM32CubeL4
-	url = https://github.com/STMicroelectronics/STM32CubeL4.git
 [submodule "lib/mlib"]
 	path = lib/mlib
 	url = https://github.com/P-p-H-d/mlib.git
diff --git a/lib/STM32CubeL4 b/lib/STM32CubeL4
deleted file mode 160000
index d023c0d5..00000000
--- a/lib/STM32CubeL4
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d023c0d560ace11509f9b761c8913a9e48fcf194