diff --git a/.gitmodules b/.gitmodules
index d46677d..e69de29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +0,0 @@
-[submodule "extension"]
-	path = extension
-	url = git@github.com:notion-enhancer/extension.git
-	branch = dev
diff --git a/extension b/extension
deleted file mode 160000
index 0ee1f96..0000000
--- a/extension
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 0ee1f969723ca456ace9105a154e7bb0f0a8e806