diff --git a/src/kernel_liteos_a b/src/kernel_liteos_a
deleted file mode 160000
index 04f97108..00000000
--- a/src/kernel_liteos_a
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 04f971084bb52fea06c426db04229b9aa889f388