diff --git a/.github/workflows/build-ruby.yml b/.github/workflows/build-ruby.yml
index 71d72e61..4064af16 100644
--- a/.github/workflows/build-ruby.yml
+++ b/.github/workflows/build-ruby.yml
@@ -45,7 +45,6 @@ jobs:
         run: echo 'RUBY_CONFIGURE_OPTS=--enable-shared --disable-install-doc' >> $GITHUB_ENV
       # https://github.com/rbenv/ruby-build/discussions/1961#discussioncomment-4031745
 
-      - name: setup tmpdir
       - run: rm -rf ~/tmp
       - run: mkdir ~/tmp
       - run: chmod 777 ~/tmp