diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index cf62c36a..00000000
--- a/.gitmodules
+++ /dev/null
@@ -1,4 +0,0 @@
-[submodule "lib/miosix-kernel"]
-	path = lib/miosix-kernel
-	url = https://github.com/OpenRTX/miosix-kernel.git
-        branch = release
diff --git a/cross_arm.txt b/cross_arm.txt
index 3b60e957..0f261e43 100644
--- a/cross_arm.txt
+++ b/cross_arm.txt
@@ -55,7 +55,6 @@ c_link_args = [
                '-Wl,-Map,main.map',
                '-Wl,--warn-common',
                '-nostdlib',
-               '-lmiosix',
                '-lstdc++',
                '-lc',
                '-lm',
diff --git a/lib/miosix-kernel b/lib/miosix-kernel
deleted file mode 160000
index fef1263a..00000000
--- a/lib/miosix-kernel
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit fef1263a5df00d0f5d979e173c635d83be9388d1