diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 923e94c..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "3rd/rapidjson"]
-	path = 3rd/rapidjson
-	url = https://github.com/Tencent/rapidjson.git
diff --git a/3rd/rapidjson b/3rd/rapidjson
deleted file mode 160000
index ab1842a..0000000
--- a/3rd/rapidjson
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ab1842a2dae061284c0a62dca1cc6d5e7e37e346