diff --git a/cpp/thirdparty/knowhere b/cpp/thirdparty/knowhere
deleted file mode 160000
index 98c56500b5b26a3502e2fea474586267ac6625f0..0000000000000000000000000000000000000000
--- a/cpp/thirdparty/knowhere
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 98c56500b5b26a3502e2fea474586267ac6625f0