diff --git a/client-app/.gitmodules b/client-app/.gitmodules
deleted file mode 100644
index be4c3229df..0000000000
--- a/client-app/.gitmodules
+++ /dev/null
@@ -1,6 +0,0 @@
-[submodule "src-affine"]
-	path = src-affine
-	url = https://github.com/toeverything/AFFiNE
-[submodule "src-OctoBase"]
-	path = src-OctoBase
-	url = https://github.com/toeverything/OctoBase