diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index f8266ce..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "iflytop_microcontroller"]
-	path = iflytop_microcontroller
-	url = zwsd@192.168.1.3:z2nd_lib/iflytop_microcontroller.git