diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 2524803..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "tool/cf_email_decoder"]
-	path = tool/cf_email_decoder
-	url = https://codeberg.org/smege1001/cf_email_decoder.git