diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 98c390e..50bda7b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -132,7 +132,3 @@ jobs:
           MYSQL_PORT: ${{ job.services.mysql.ports[3306] }}
         working-directory: redmine
         run: bundle exec rake redmine:plugins:migrate NAME=additional_tags VERSION=0
-
-      - name: Run build gem file
-        working-directory: redmine/plugins/additional_tags
-        run: gem build additional_tags.gemspec