diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 719853e..79a0bec 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,10 +21,6 @@ jobs:
       uses: shivammathur/setup-php@v2
       with:
         php-version: ${{ matrix.php }}
-        # this ini directive seems to be off by default in PHP 8.5
-        # see https://github.com/php/php-src/issues/20279
-        # enable it because codeception relies on it.
-        ini-values: register_argc_argv=1
 
     - name: Validate composer.json and composer.lock
       run: composer validate