diff --git a/.gitmodules b/.gitmodules
index 4026fbeed..d4de4e835 100755
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "ubuntu"]
-	path = sysdrv/tools/board/ubuntu
-	url = https://github.com/luckfox-eng33/pico_ubuntu.git
 [submodule "sysdrv/source/buildroot/buildroot-2023.02.6"]
 	path = sysdrv/source/buildroot/buildroot-2023.02.6
 	url = git@github.com:ologn-tech/luckfox_pico_buildroot.git