diff --git a/src/Resources/config/services_test.xml b/src/Resources/config/services_test.xml
deleted file mode 100644
index 0751085..0000000
--- a/src/Resources/config/services_test.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" ?>
-
-<container xmlns="http://symfony.com/schema/dic/services"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
-
-    <services>
-        <defaults public="true"/>
-
-        <service id="shivas_versioning.twig.version" class="Shivas\VersioningBundle\Twig\VersionExtension">
-            <argument type="service" id="Shivas\VersioningBundle\Service\VersionManagerInterface"/>
-            <tag name="twig.extension"/>
-        </service>
-    </services>
-</container>
diff --git a/tests/BundleInitializationTest.php b/tests/BundleInitializationTest.php
index 31ad4b6..b3398d0 100644
--- a/tests/BundleInitializationTest.php
+++ b/tests/BundleInitializationTest.php
@@ -3,6 +3,7 @@
 
 namespace Shivas\VersioningBundle\Tests;
 
+use Nyholm\BundleTest\TestKernel;
 use Shivas\VersioningBundle\Formatter\FormatterInterface;
 use Shivas\VersioningBundle\Formatter\GitDescribeFormatter;
 use Shivas\VersioningBundle\Provider\GitRepositoryProvider;
@@ -16,30 +17,32 @@
 use Shivas\VersioningBundle\Writer\VersionWriter;
 use Shivas\VersioningBundle\Writer\WriterInterface;
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\HttpKernel\KernelInterface;
 
 /**
  * @covers \Shivas\VersioningBundle\ShivasVersioningBundle
  */
 class BundleInitializationTest extends KernelTestCase
 {
-    protected function setUp(): void
-    {
-        parent::setUp();
-    }
-
     protected static function getKernelClass(): string
     {
-        return \Nyholm\BundleTest\TestKernel::class;
+        return TestKernel::class;
     }
 
-    protected static function createKernel(array $options = []): \Symfony\Component\HttpKernel\KernelInterface
+    protected static function createKernel(array $options = []): KernelInterface
     {
-        /**
-         * @var \Nyholm\BundleTest\TestKernel $kernel
-         */
+        /** @var TestKernel $kernel */
         $kernel = parent::createKernel($options);
-        $kernel->addTestConfig($kernel->getProjectDir().'/src/Resources/config/services_test.xml');
         $kernel->addTestBundle(ShivasVersioningBundle::class);
+        $kernel->addTestCompilerPass(new class implements CompilerPassInterface {
+            public function process(ContainerBuilder $container): void
+            {
+                // Service would be removed because it's unused.
+                $container->findDefinition('shivas_versioning.twig.version')->setPublic(true);
+            }
+        });
         $kernel->handleOptions($options);
 
         return $kernel;