diff --git a/workflow/external_repo b/workflow/external_repo
deleted file mode 160000
index a00c9cffd4efd5c61a1c637afc7ee97231f5c636..0000000000000000000000000000000000000000
--- a/workflow/external_repo
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit a00c9cffd4efd5c61a1c637afc7ee97231f5c636