diff --git a/tools/migrate_branch.py b/tools/migrate_branch.py
index 650f17d7b..e3474a858 100644
--- a/tools/migrate_branch.py
+++ b/tools/migrate_branch.py
@@ -323,8 +323,7 @@ def _migrate_project(self, project):
         # TODO: Is this really needed?
         # self._delete_setup_dirs(repo, root_contents, modules)
         self._update_metafiles(repo, root_contents)
-        # TODO: GitHub is returning 404
-        # self._make_default_branch(repo)
+        self._make_default_branch(repo)
 
     def do_migration(self, projects=None):
         if not projects:
diff --git a/tools/migrate_branch_empty.py b/tools/migrate_branch_empty.py
index 98ec71a93..002cc5f72 100644
--- a/tools/migrate_branch_empty.py
+++ b/tools/migrate_branch_empty.py
@@ -239,8 +239,7 @@ def _migrate_project(self, project):
         repo.create_ref(
             'refs/heads/%s' % self.gh_target_branch, commit.sha,
         )
-        # TODO: GitHub is returning 404
-        # self._make_default_branch(repo)
+        self._make_default_branch(repo)
 
     def do_migration(self, projects=None):
         if not projects: