diff --git a/dev/Command/RegistrationCommand.php b/dev/Command/RegistrationCommand.php
index 5b069f2f..b6b1516e 100644
--- a/dev/Command/RegistrationCommand.php
+++ b/dev/Command/RegistrationCommand.php
@@ -29,7 +29,6 @@
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Zxing\QrReader;
-use function is_string;
 
 #[AsCommand(name: 'test:registration')]
 class RegistrationCommand extends Command
diff --git a/src/Features/Context/ErrorReportContext.php b/src/Features/Context/ErrorReportContext.php
index e5b6beb1..aab4408a 100644
--- a/src/Features/Context/ErrorReportContext.php
+++ b/src/Features/Context/ErrorReportContext.php
@@ -32,7 +32,6 @@
 use Behat\Testwork\Tester\Result\TestResult;
 use Exception;
 use Symfony\Component\HttpKernel\KernelInterface;
-use function is_string;
 
 /**
  * Generates a HTML/png error output report when a build fails.
diff --git a/src/Kernel.php b/src/Kernel.php
index a53c688f..0afd05c5 100644
--- a/src/Kernel.php
+++ b/src/Kernel.php
@@ -22,7 +22,6 @@
 
 use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
 use Symfony\Component\HttpKernel\Kernel as BaseKernel;
-use function dirname;
 
 class Kernel extends BaseKernel
 {