diff --git a/.gitmodules b/.gitmodules
index d16edcf94..e69de29bb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "hikyuu_extern_libs"]
-	path = hikyuu_extern_libs
-	url = https://github.com/fasiondog/hikyuu_extern_libs.git
diff --git a/hikyuu_extern_libs b/hikyuu_extern_libs
deleted file mode 160000
index 5f879f41f..000000000
--- a/hikyuu_extern_libs
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5f879f41f37ba4901c3686ab59084eaafbfda399