diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 9a0f065809cfd10661552b3f603ec31170921a3e..0000000000000000000000000000000000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,4 +0,0 @@
-[submodule "cpp/thirdparty/knowhere"]
-	path = cpp/thirdparty/knowhere
-	url = git@192.168.1.105:megasearch/knowhere.git
-	branch = branch-0.4.0