diff --git a/.gitmodules b/.gitmodules
index 4f9c41ca6..e69de29bb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +0,0 @@
-[submodule "sgl-kernel/3rdparty/flashinfer"]
-	path = sgl-kernel/3rdparty/flashinfer
-	url = https://github.com/sgl-project/flashinfer.git
-	branch = sgl-kernel
diff --git a/sgl-kernel/3rdparty/flashinfer b/sgl-kernel/3rdparty/flashinfer
deleted file mode 160000
index 2b9f16eb7..000000000
--- a/sgl-kernel/3rdparty/flashinfer
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 2b9f16eb79bd344e31725e8d7a92fe7fe980ffdf