diff --git a/releasenotes/config.yaml b/releasenotes/config.yaml
index fe5f6b013..da01baf76 100644
--- a/releasenotes/config.yaml
+++ b/releasenotes/config.yaml
@@ -2,4 +2,3 @@
 # NOTE(upgrade): This needs to be updated to the current release's major version.
 release_tag_re: stackhpc/18\.\d+\.\d+\.\d
 ignore_null_merges: false
-default_branch: 'stackhpc/2025.1'