diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index dc58add47c87..8f8e8ce44d93 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -69,7 +69,6 @@ jobs:
 
     - uses: actions/checkout@v1
       with:
-        ref: v5-develop
         fetch-depth: 1
 
     - name: Copy .env
@@ -105,4 +104,4 @@ jobs:
 
     - name: Run php-cs-fixer
       run: |
-        vendor/bin/php-cs-fixer fix
\ No newline at end of file
+        vendor/bin/php-cs-fixer fix