diff --git a/doc/decimal-playbook.yml b/doc/decimal-playbook.yml
index 0cf6bcc64..b5fe55aeb 100644
--- a/doc/decimal-playbook.yml
+++ b/doc/decimal-playbook.yml
@@ -5,7 +5,6 @@ content:
   sources:
     - url: ..
       start_path: doc
-      branches: HEAD
 output:
   dir: html
 ui: