diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 11a80ac..ab2d872 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,7 +14,7 @@ jobs:
         strategy:
             matrix:
                 php:
-                    - '8.0'
+                    - '8.1'
         steps:
             - uses: actions/checkout@v2
 
diff --git a/composer.json b/composer.json
index a7ebd57..86b23d8 100644
--- a/composer.json
+++ b/composer.json
@@ -67,8 +67,6 @@
         "lolautruche/ez-core-extra-bundle": "<2.0"
     },
     "config": {
-        "allow-plugins": {
-            "composer/package-versions-deprecated": true
-        }
+        "allow-plugins": false
     }
 }
diff --git a/src/bundle/DependencyInjection/Compiler/TwigThemePass.php b/src/bundle/DependencyInjection/Compiler/TwigThemePass.php
index ee5ce3b..7e5947c 100644
--- a/src/bundle/DependencyInjection/Compiler/TwigThemePass.php
+++ b/src/bundle/DependencyInjection/Compiler/TwigThemePass.php
@@ -13,7 +13,6 @@
 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\Finder\Finder;
 
 /**
@@ -29,10 +28,6 @@ public function process(ContainerBuilder $container)
             return;
         }
 
-        $globalViewsDir = $container->getParameter('twig.default_path');
-        if (!is_dir($globalViewsDir)) {
-            (new Filesystem())->mkdir($globalViewsDir);
-        }
         $themesPathMap = [
             '_override' => $container->getParameter('ibexa.design.templates.override_paths'),
         ];
@@ -54,11 +49,11 @@ public function process(ContainerBuilder $container)
 
         $twigLoaderDef = $container->findDefinition(TwigThemeLoader::class);
         // Now look for themes at application level
-        $appLevelThemesDir = $globalViewsDir . '/themes';
+        $appLevelThemesDir = $container->getParameter('twig.default_path') . '/themes';
         if (is_dir($appLevelThemesDir)) {
             foreach ((new Finder())->directories()->in($appLevelThemesDir)->depth('== 0') as $directoryInfo) {
                 $theme = $directoryInfo->getBasename();
-                $themePaths = isset($themesPathMap[$theme]) ? $themesPathMap[$theme] : [];
+                $themePaths = $themesPathMap[$theme] ?? [];
                 // Application level paths are always top priority.
                 array_unshift($themePaths, $directoryInfo->getRealPath());
                 $themesPathMap[$theme] = $themePaths;