diff --git a/.forgejo/workflows/phpunit.yml b/.forgejo/workflows/phpunit.yml
index a10fc2c..5c1cacc 100644
--- a/.forgejo/workflows/phpunit.yml
+++ b/.forgejo/workflows/phpunit.yml
@@ -39,6 +39,8 @@ jobs:
       - name: Clone plugin dependencies
         run: git clone https://code.event-federation.eu/Event-Federation/wordpress-activitypub.git /tmp/wordpress/wp-content/plugins/activitypub/
 
+      - run: rm -r /tmp/wordpress/ && rm -r /tmp/wordpress-tests-lib/
+
       - name: Setup Test Environment
         run: bash bin/install-wp-tests.sh wordpress_test root root 127.0.0.1 latest