diff --git a/refs/heads/mail_list_dev b/refs/heads/mail_list_dev
deleted file mode 100644
index 0a67b8a5c..000000000
--- a/refs/heads/mail_list_dev
+++ /dev/null
@@ -1 +0,0 @@
-UPDATE e1fa541b6a4faec988a28bbfed077fc642ce03b6 5afe8a5ad1f8603415ed2bcd2fde182d40310b2d
\ No newline at end of file