diff --git a/.gitmodules b/.gitmodules
index 3b619568a..c2a2978b9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,12 +4,6 @@
 [submodule "Ubiquitous/RT_Thread/aiit_board/k210/kendryte-sdk/kendryte-sdk-source"]
 	path = Ubiquitous/RT_Thread/aiit_board/k210/kendryte-sdk/kendryte-sdk-source
 	url = https://code.gitlink.org.cn/chunyexixiaoyu/kendryte-sdk-source.git
-[submodule "Ubiquitous/Nuttx/apps"]
-	path = Ubiquitous/Nuttx/apps
-	url = https://gitlink.org.cn/wgzAIIT/incubator-nuttx-apps.git
-[submodule "Ubiquitous/Nuttx/nuttx"]
-	path = Ubiquitous/Nuttx/nuttx
-	url = https://gitlink.org.cn/wgzAIIT/incubator-nuttx.git
 [submodule "Ubiquitous/RT_Thread/aiit_board/aiit-riscv64-board/kendryte-sdk/kendryte-sdk-source"]
 	path = Ubiquitous/RT_Thread/aiit_board/aiit-riscv64-board/kendryte-sdk/kendryte-sdk-source
 	url = https://code.gitlink.org.cn/chunyexixiaoyu/kendryte-sdk-source.git
diff --git a/Ubiquitous/Nuttx/apps b/Ubiquitous/Nuttx/apps
deleted file mode 160000
index 562239ecb..000000000
--- a/Ubiquitous/Nuttx/apps
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 562239ecb2d84dd9de2dd206da41df19602e20cb
diff --git a/Ubiquitous/Nuttx/nuttx b/Ubiquitous/Nuttx/nuttx
deleted file mode 160000
index 3fede4209..000000000
--- a/Ubiquitous/Nuttx/nuttx
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 3fede42098e5883f336d846ac30edfe749899494