diff --git a/Command/ClearInvalidRefreshTokensCommand.php b/Command/ClearInvalidRefreshTokensCommand.php
index bbfb93ea..7f9a1ad7 100644
--- a/Command/ClearInvalidRefreshTokensCommand.php
+++ b/Command/ClearInvalidRefreshTokensCommand.php
@@ -11,6 +11,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Command;
 
+use DateTime;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenManagerInterface;
 use Symfony\Component\Console\Attribute\AsCommand;
@@ -52,9 +53,9 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $datetime = $input->getArgument('datetime');
 
         if (null === $datetime) {
-            $datetime = new \DateTime();
+            $datetime = new DateTime();
         } else {
-            $datetime = new \DateTime($datetime);
+            $datetime = new DateTime($datetime);
         }
 
         $revokedTokens = $this->refreshTokenManager->revokeAllInvalid($datetime);
diff --git a/DependencyInjection/GesdinetJWTRefreshTokenExtension.php b/DependencyInjection/GesdinetJWTRefreshTokenExtension.php
index df590d07..ba1446e6 100644
--- a/DependencyInjection/GesdinetJWTRefreshTokenExtension.php
+++ b/DependencyInjection/GesdinetJWTRefreshTokenExtension.php
@@ -11,6 +11,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\DependencyInjection;
 
+use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
 use Doctrine\ODM\MongoDB\DocumentManager;
 use Doctrine\ORM\EntityManager;
 use Gesdinet\JWTRefreshTokenBundle\Document\RefreshToken as RefreshTokenDocument;
@@ -19,7 +20,6 @@
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\Extension\Extension;
-use Symfony\Component\DependencyInjection\Loader;
 
 class GesdinetJWTRefreshTokenExtension extends Extension
 {
@@ -27,7 +27,7 @@ public function load(array $configs, ContainerBuilder $container): void
     {
         $config = $this->processConfiguration($this->getConfiguration($configs, $container), $configs);
 
-        $loader = new Loader\PhpFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
+        $loader = new PhpFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('services.php');
 
         $container->registerForAutoconfiguration(ExtractorInterface::class)->addTag('gesdinet_jwt_refresh_token.request_extractor');
diff --git a/Doctrine/RefreshTokenManager.php b/Doctrine/RefreshTokenManager.php
index 3bffaad6..6e602fdd 100644
--- a/Doctrine/RefreshTokenManager.php
+++ b/Doctrine/RefreshTokenManager.php
@@ -11,6 +11,8 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Doctrine;
 
+use LogicException;
+use DateTimeInterface;
 use Doctrine\Persistence\ObjectManager;
 use Gesdinet\JWTRefreshTokenBundle\Generator\RefreshTokenGeneratorInterface;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
@@ -36,7 +38,7 @@ class RefreshTokenManager implements RefreshTokenManagerInterface
     /**
      * @param class-string<RefreshTokenInterface> $class
      *
-     * @throws \LogicException if the object repository does not implement `Gesdinet\JWTRefreshTokenBundle\Doctrine\RefreshTokenRepositoryInterface`
+     * @throws LogicException if the object repository does not implement `Gesdinet\JWTRefreshTokenBundle\Doctrine\RefreshTokenRepositoryInterface`
      */
     public function __construct(ObjectManager $om, $class)
     {
@@ -45,7 +47,7 @@ public function __construct(ObjectManager $om, $class)
         $repository = $om->getRepository($class);
 
         if (!$repository instanceof RefreshTokenRepositoryInterface) {
-            throw new \LogicException(sprintf('Repository mapped for "%s" should implement %s.', $class, RefreshTokenRepositoryInterface::class));
+            throw new LogicException(sprintf('Repository mapped for "%s" should implement %s.', $class, RefreshTokenRepositoryInterface::class));
         }
 
         $this->repository = $repository;
@@ -119,8 +121,8 @@ public function delete(RefreshTokenInterface $refreshToken, $andFlush = true)
     }
 
     /**
-     * @param \DateTimeInterface|null $datetime
-     * @param bool                    $andFlush
+     * @param DateTimeInterface|null $datetime
+     * @param bool                   $andFlush
      *
      * @return RefreshTokenInterface[]
      */
diff --git a/Doctrine/RefreshTokenRepositoryInterface.php b/Doctrine/RefreshTokenRepositoryInterface.php
index 649ba921..8a3819f0 100644
--- a/Doctrine/RefreshTokenRepositoryInterface.php
+++ b/Doctrine/RefreshTokenRepositoryInterface.php
@@ -2,6 +2,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Doctrine;
 
+use DateTimeInterface;
 use Doctrine\Persistence\ObjectRepository;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
 
@@ -13,7 +14,7 @@
 interface RefreshTokenRepositoryInterface extends ObjectRepository
 {
     /**
-     * @param \DateTimeInterface|null $datetime
+     * @param DateTimeInterface|null $datetime
      *
      * @return T[]
      */
diff --git a/Document/RefreshTokenRepository.php b/Document/RefreshTokenRepository.php
index 0afcb4f5..c3b3c186 100644
--- a/Document/RefreshTokenRepository.php
+++ b/Document/RefreshTokenRepository.php
@@ -2,6 +2,8 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Document;
 
+use DateTimeInterface;
+use DateTime;
 use Doctrine\ODM\MongoDB\Repository\DocumentRepository;
 use Gesdinet\JWTRefreshTokenBundle\Doctrine\RefreshTokenRepositoryInterface;
 
@@ -13,13 +15,13 @@
 class RefreshTokenRepository extends DocumentRepository implements RefreshTokenRepositoryInterface
 {
     /**
-     * @param \DateTimeInterface|null $datetime
+     * @param DateTimeInterface|null $datetime
      *
      * @return RefreshToken[]
      */
     public function findInvalid($datetime = null)
     {
-        $datetime = (null === $datetime) ? new \DateTime() : $datetime;
+        $datetime = (null === $datetime) ? new DateTime() : $datetime;
 
         $queryBuilder = $this->createQueryBuilder()
             ->field('valid')->lt($datetime);
diff --git a/Entity/RefreshTokenRepository.php b/Entity/RefreshTokenRepository.php
index 852405b3..74f8312c 100644
--- a/Entity/RefreshTokenRepository.php
+++ b/Entity/RefreshTokenRepository.php
@@ -2,6 +2,8 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Entity;
 
+use DateTimeInterface;
+use DateTime;
 use Doctrine\ORM\EntityRepository;
 use Gesdinet\JWTRefreshTokenBundle\Doctrine\RefreshTokenRepositoryInterface;
 
@@ -13,13 +15,13 @@
 class RefreshTokenRepository extends EntityRepository implements RefreshTokenRepositoryInterface
 {
     /**
-     * @param \DateTimeInterface|null $datetime
+     * @param DateTimeInterface|null $datetime
      *
      * @return RefreshToken[]
      */
     public function findInvalid($datetime = null)
     {
-        $datetime = (null === $datetime) ? new \DateTime() : $datetime;
+        $datetime = (null === $datetime) ? new DateTime() : $datetime;
 
         return $this->createQueryBuilder('u')
             ->where('u.valid < :datetime')
diff --git a/EventListener/AttachRefreshTokenOnSuccessListener.php b/EventListener/AttachRefreshTokenOnSuccessListener.php
index 415022ba..3ba1dd72 100644
--- a/EventListener/AttachRefreshTokenOnSuccessListener.php
+++ b/EventListener/AttachRefreshTokenOnSuccessListener.php
@@ -11,6 +11,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\EventListener;
 
+use LogicException;
 use Gesdinet\JWTRefreshTokenBundle\Generator\RefreshTokenGeneratorInterface;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenManagerInterface;
@@ -102,7 +103,7 @@ public function __construct(
         $this->returnExpirationParameterName = $returnExpirationParameterName;
 
         if ($this->cookieSettings['partitioned'] && Kernel::VERSION < '6.4') {
-            throw new \LogicException(sprintf('The `partitioned` option for cookies is only available for Symfony 6.4 and above. You are currently on version %s', Kernel::VERSION));
+            throw new LogicException(sprintf('The `partitioned` option for cookies is only available for Symfony 6.4 and above. You are currently on version %s', Kernel::VERSION));
         }
     }
 
diff --git a/Http/RefreshAuthenticationFailureResponse.php b/Http/RefreshAuthenticationFailureResponse.php
index 58841442..be9913fb 100644
--- a/Http/RefreshAuthenticationFailureResponse.php
+++ b/Http/RefreshAuthenticationFailureResponse.php
@@ -11,10 +11,11 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Http;
 
+use ReflectionMethod;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Response;
 
-if (80000 <= \PHP_VERSION_ID && (new \ReflectionMethod(JsonResponse::class, 'setData'))->hasReturnType()) {
+if (80000 <= \PHP_VERSION_ID && (new ReflectionMethod(JsonResponse::class, 'setData'))->hasReturnType()) {
     eval('
         namespace Gesdinet\JWTRefreshTokenBundle\Http;
 
diff --git a/Model/AbstractRefreshToken.php b/Model/AbstractRefreshToken.php
index 5cfa3d4d..04cc0413 100644
--- a/Model/AbstractRefreshToken.php
+++ b/Model/AbstractRefreshToken.php
@@ -11,6 +11,8 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Model;
 
+use DateTimeInterface;
+use DateTime;
 use Symfony\Component\Security\Core\User\UserInterface;
 
 abstract class AbstractRefreshToken implements RefreshTokenInterface
@@ -31,7 +33,7 @@ abstract class AbstractRefreshToken implements RefreshTokenInterface
     protected $username;
 
     /**
-     * @var \DateTimeInterface|null
+     * @var DateTimeInterface|null
      */
     protected $valid;
 
@@ -40,7 +42,7 @@ abstract class AbstractRefreshToken implements RefreshTokenInterface
      */
     public static function createForUserWithTtl(string $refreshToken, UserInterface $user, int $ttl): RefreshTokenInterface
     {
-        $valid = new \DateTime();
+        $valid = new DateTime();
 
         // Explicitly check for a negative number based on a behavior change in PHP 8.2, see https://github.com/php/php-src/issues/9950
         if ($ttl > 0) {
@@ -138,6 +140,6 @@ public function getUsername()
      */
     public function isValid()
     {
-        return null !== $this->valid && $this->valid >= new \DateTime();
+        return null !== $this->valid && $this->valid >= new DateTime();
     }
 }
diff --git a/Model/RefreshTokenInterface.php b/Model/RefreshTokenInterface.php
index 0b38c476..50dc850c 100644
--- a/Model/RefreshTokenInterface.php
+++ b/Model/RefreshTokenInterface.php
@@ -11,9 +11,11 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Model;
 
+use Stringable;
+use DateTimeInterface;
 use Symfony\Component\Security\Core\User\UserInterface;
 
-interface RefreshTokenInterface extends \Stringable
+interface RefreshTokenInterface extends Stringable
 {
     /**
      * Creates a new model instance based on the provided details.
@@ -38,14 +40,14 @@ public function setRefreshToken($refreshToken = null);
     public function getRefreshToken();
 
     /**
-     * @param \DateTimeInterface|null $valid
+     * @param DateTimeInterface|null $valid
      *
      * @return $this
      */
     public function setValid($valid);
 
     /**
-     * @return \DateTimeInterface|null
+     * @return DateTimeInterface|null
      */
     public function getValid();
 
diff --git a/Model/RefreshTokenManagerInterface.php b/Model/RefreshTokenManagerInterface.php
index 89cfdcb6..4e1f0e91 100644
--- a/Model/RefreshTokenManagerInterface.php
+++ b/Model/RefreshTokenManagerInterface.php
@@ -11,6 +11,8 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Model;
 
+use DateTimeInterface;
+
 /**
  * Interface to be implemented by user managers. This adds an additional level
  * of abstraction between your application, and the actual repository.
@@ -53,7 +55,7 @@ public function save(RefreshTokenInterface $refreshToken);
     public function delete(RefreshTokenInterface $refreshToken);
 
     /**
-     * @param \DateTimeInterface|null $datetime
+     * @param DateTimeInterface|null $datetime
      *
      * @return RefreshTokenInterface[]
      */
diff --git a/Security/Authenticator/RefreshTokenAuthenticator.php b/Security/Authenticator/RefreshTokenAuthenticator.php
index fa9e128e..8cae6a57 100644
--- a/Security/Authenticator/RefreshTokenAuthenticator.php
+++ b/Security/Authenticator/RefreshTokenAuthenticator.php
@@ -11,6 +11,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Security\Authenticator;
 
+use InvalidArgumentException;
 use Gesdinet\JWTRefreshTokenBundle\Request\Extractor\ExtractorInterface;
 use Gesdinet\JWTRefreshTokenBundle\Exception\UnknownRefreshTokenException;
 use Gesdinet\JWTRefreshTokenBundle\Exception\UnknownUserFromRefreshTokenException;
@@ -83,7 +84,7 @@ public function getCredentials(Request $request)
     public function getUser($credentials, UserProviderInterface $userProvider)
     {
         if (!$userProvider instanceof RefreshTokenProvider) {
-            throw new \InvalidArgumentException(sprintf('The user provider must be an instance of RefreshTokenProvider (%s was given).', get_class($userProvider)));
+            throw new InvalidArgumentException(sprintf('The user provider must be an instance of RefreshTokenProvider (%s was given).', get_class($userProvider)));
         }
 
         $refreshToken = $credentials['token'] ?? null;
diff --git a/Security/Http/Authenticator/RefreshTokenAuthenticator.php b/Security/Http/Authenticator/RefreshTokenAuthenticator.php
index 6102ff71..a8ed10ec 100644
--- a/Security/Http/Authenticator/RefreshTokenAuthenticator.php
+++ b/Security/Http/Authenticator/RefreshTokenAuthenticator.php
@@ -11,6 +11,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Security\Http\Authenticator;
 
+use DateTime;
 use Gesdinet\JWTRefreshTokenBundle\Event\RefreshTokenNotFoundEvent;
 use Gesdinet\JWTRefreshTokenBundle\Http\RefreshAuthenticationFailureResponse;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
@@ -115,7 +116,7 @@ public function authenticate(Request $request): Passport
         }
 
         if ($this->options['ttl_update']) {
-            $expirationDate = new \DateTime();
+            $expirationDate = new DateTime();
 
             // Explicitly check for a negative number based on a behavior change in PHP 8.2, see https://github.com/php/php-src/issues/9950
             if ($this->options['ttl'] > 0) {
diff --git a/Security/Provider/RefreshTokenProvider.php b/Security/Provider/RefreshTokenProvider.php
index f6a1d106..bfe2bc2c 100644
--- a/Security/Provider/RefreshTokenProvider.php
+++ b/Security/Provider/RefreshTokenProvider.php
@@ -11,6 +11,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Security\Provider;
 
+use ReflectionClass;
 use Symfony\Component\Security\Core\User\InMemoryUser;
 use Symfony\Component\Security\Core\User\UserProviderInterface;
 use Symfony\Component\Security\Core\User\User;
@@ -21,7 +22,7 @@
 
 trigger_deprecation('gesdinet/jwt-refresh-token-bundle', '1.0', 'The "%s" class is deprecated, configure the user provider for the `refresh_jwt` authenticator instead.', RefreshTokenProvider::class);
 
-if ((new \ReflectionClass(UserProviderInterface::class))->getMethod('supportsClass')->hasReturnType()) {
+if ((new ReflectionClass(UserProviderInterface::class))->getMethod('supportsClass')->hasReturnType()) {
     /**
      * Compatibility layer for Symfony 7.0 and later, where {@see UserProviderInterface::supportsClass()} has a return type.
      *
diff --git a/Service/RefreshToken.php b/Service/RefreshToken.php
index b6b5d974..6ad5549a 100644
--- a/Service/RefreshToken.php
+++ b/Service/RefreshToken.php
@@ -11,6 +11,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Service;
 
+use DateTime;
 use Gesdinet\JWTRefreshTokenBundle\Event\RefreshEvent;
 use Gesdinet\JWTRefreshTokenBundle\Security\Authenticator\RefreshTokenAuthenticator;
 use Gesdinet\JWTRefreshTokenBundle\Exception\InvalidRefreshTokenException;
@@ -106,7 +107,7 @@ public function refresh(Request $request)
         }
 
         if ($this->ttlUpdate) {
-            $expirationDate = new \DateTime();
+            $expirationDate = new DateTime();
             $expirationDate->modify(sprintf('+%d seconds', $this->ttl));
             $refreshToken->setValid($expirationDate);
 
diff --git a/Tests/Functional/Command/ClearInvalidRefreshTokensCommandTest.php b/Tests/Functional/Command/ClearInvalidRefreshTokensCommandTest.php
index 8d0df405..90ee637b 100644
--- a/Tests/Functional/Command/ClearInvalidRefreshTokensCommandTest.php
+++ b/Tests/Functional/Command/ClearInvalidRefreshTokensCommandTest.php
@@ -2,6 +2,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Tests\Functional\Command;
 
+use DateTimeInterface;
 use Gesdinet\JWTRefreshTokenBundle\Command\ClearInvalidRefreshTokensCommand;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenManagerInterface;
@@ -23,7 +24,7 @@ public function test_clears_tokens_without_timestamp(): void
         $refreshTokenManager = $this->createMock(RefreshTokenManagerInterface::class);
         $refreshTokenManager->expects($this->once())
             ->method('revokeAllInvalid')
-            ->with($this->isInstanceOf(\DateTimeInterface::class))
+            ->with($this->isInstanceOf(DateTimeInterface::class))
             ->willReturn([$refreshToken]);
 
         $command = new ClearInvalidRefreshTokensCommand($refreshTokenManager);
@@ -51,7 +52,7 @@ public function test_clears_tokens_with_timestamp(): void
         $refreshTokenManager = $this->createMock(RefreshTokenManagerInterface::class);
         $refreshTokenManager->expects($this->once())
             ->method('revokeAllInvalid')
-            ->with($this->isInstanceOf(\DateTimeInterface::class))
+            ->with($this->isInstanceOf(DateTimeInterface::class))
             ->willReturn([$refreshToken]);
 
         $command = new ClearInvalidRefreshTokensCommand($refreshTokenManager);
diff --git a/Tests/Functional/Document/RefreshTokenRepositoryTest.php b/Tests/Functional/Document/RefreshTokenRepositoryTest.php
index a9e9cc0b..f307c2fa 100644
--- a/Tests/Functional/Document/RefreshTokenRepositoryTest.php
+++ b/Tests/Functional/Document/RefreshTokenRepositoryTest.php
@@ -2,6 +2,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Tests\Functional\Document;
 
+use DateTime;
 use Gesdinet\JWTRefreshTokenBundle\Doctrine\RefreshTokenManager;
 use Gesdinet\JWTRefreshTokenBundle\Document\RefreshTokenRepository;
 use Gesdinet\JWTRefreshTokenBundle\Generator\RefreshTokenGenerator;
@@ -93,7 +94,7 @@ public function test_retrieves_all_tokens_older_than_the_specified_time(): void
         /** @var RefreshTokenRepository $repo */
         $repo = $this->documentManager->getRepository(RefreshToken::class);
 
-        $time = new \DateTime();
+        $time = new DateTime();
         $time->modify('+1200 seconds');
 
         $this->assertCount(5, $repo->findInvalid($time));
diff --git a/Tests/Functional/Entity/RefreshTokenRepositoryTest.php b/Tests/Functional/Entity/RefreshTokenRepositoryTest.php
index 2262f35a..b56a4c26 100644
--- a/Tests/Functional/Entity/RefreshTokenRepositoryTest.php
+++ b/Tests/Functional/Entity/RefreshTokenRepositoryTest.php
@@ -2,6 +2,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Tests\Functional\Entity;
 
+use DateTime;
 use Doctrine\ORM\Tools\SchemaTool;
 use Gesdinet\JWTRefreshTokenBundle\Doctrine\RefreshTokenManager;
 use Gesdinet\JWTRefreshTokenBundle\Entity\RefreshTokenRepository;
@@ -89,7 +90,7 @@ public function test_retrieves_all_tokens_older_than_the_specified_time(): void
         /** @var RefreshTokenRepository $repo */
         $repo = $this->entityManager->getRepository(RefreshToken::class);
 
-        $time = new \DateTime();
+        $time = new DateTime();
         $time->modify('+1200 seconds');
 
         $this->assertCount(5, $repo->findInvalid($time));
diff --git a/Tests/Unit/AbstractRefreshTokenTest.php b/Tests/Unit/AbstractRefreshTokenTest.php
index aaf8076b..4bc7cac4 100644
--- a/Tests/Unit/AbstractRefreshTokenTest.php
+++ b/Tests/Unit/AbstractRefreshTokenTest.php
@@ -2,6 +2,8 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Tests\Unit;
 
+use DateTimeInterface;
+use DateTime;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
 use Gesdinet\JWTRefreshTokenBundle\Tests\Services\UserCreator;
 use PHPUnit\Framework\TestCase;
@@ -51,12 +53,12 @@ public function testHasUsername()
 
     public function testHasAValidTimestamp()
     {
-        $this->assertInstanceOf(\DateTimeInterface::class, $this->refreshToken->getValid());
+        $this->assertInstanceOf(DateTimeInterface::class, $this->refreshToken->getValid());
     }
 
     public function testValid()
     {
-        $date = new \DateTime();
+        $date = new DateTime();
         $date->modify('+1 day');
         $this->refreshToken->setValid($date);
         $this->assertTrue($this->refreshToken->isValid());
@@ -64,7 +66,7 @@ public function testValid()
 
     public function testNotValid()
     {
-        $date = new \DateTime();
+        $date = new DateTime();
         $date->modify('-1 day');
         $this->refreshToken->setValid($date);
         $this->assertFalse($this->refreshToken->isValid());
diff --git a/Tests/Unit/EventListener/AttachRefreshTokenOnSuccessListenerTest.php b/Tests/Unit/EventListener/AttachRefreshTokenOnSuccessListenerTest.php
index 7b8e898d..4f3048b5 100644
--- a/Tests/Unit/EventListener/AttachRefreshTokenOnSuccessListenerTest.php
+++ b/Tests/Unit/EventListener/AttachRefreshTokenOnSuccessListenerTest.php
@@ -2,6 +2,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Tests\Unit\EventListener;
 
+use ReflectionClass;
 use Gesdinet\JWTRefreshTokenBundle\EventListener\AttachRefreshTokenOnSuccessListener;
 use Gesdinet\JWTRefreshTokenBundle\Generator\RefreshTokenGeneratorInterface;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
@@ -298,7 +299,7 @@ public function testAttachesTheTokenToTheResponseBodyOnCredentialsAuth()
 
     public function testDoesNothingWhenThereIsNotAUser()
     {
-        if ((new \ReflectionClass(AuthenticationSuccessEvent::class))->getMethod('getUser')->hasReturnType()) {
+        if ((new ReflectionClass(AuthenticationSuccessEvent::class))->getMethod('getUser')->hasReturnType()) {
             $this->markTestSkipped(sprintf('%s::getUser() has a non-nullable return type in LexikJWTAuthenticationBundle 3.x', AuthenticationSuccessEvent::class));
         }
 
@@ -315,7 +316,7 @@ public function testDoesNothingWhenThereIsNotAUser()
 
     private function setSingleUseOnEventListener(bool $singleUse): void
     {
-        $reflector = new \ReflectionClass(AttachRefreshTokenOnSuccessListener::class);
+        $reflector = new ReflectionClass(AttachRefreshTokenOnSuccessListener::class);
         $property = $reflector->getProperty('singleUse');
         $property->setAccessible(true);
         $property->setValue($this->attachRefreshTokenOnSuccessListener, $singleUse);
diff --git a/Tests/Unit/Security/Http/Authenticator/RefreshTokenAuthenticatorTest.php b/Tests/Unit/Security/Http/Authenticator/RefreshTokenAuthenticatorTest.php
index 2939f370..574237df 100644
--- a/Tests/Unit/Security/Http/Authenticator/RefreshTokenAuthenticatorTest.php
+++ b/Tests/Unit/Security/Http/Authenticator/RefreshTokenAuthenticatorTest.php
@@ -2,6 +2,8 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Tests\Unit\Security\Http\Authenticator;
 
+use DateTimeInterface;
+use ReflectionClass;
 use Gesdinet\JWTRefreshTokenBundle\Http\RefreshAuthenticationFailureResponse;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenManagerInterface;
@@ -190,7 +192,7 @@ public function testAuthenticatesTheRequestWhenTtlUpdateIsEnabled(): void
         $refreshToken
             ->expects($this->atLeastOnce())
             ->method('setValid')
-            ->with($this->isInstanceOf(\DateTimeInterface::class));
+            ->with($this->isInstanceOf(DateTimeInterface::class));
 
         $this->refreshTokenManager
             ->expects($this->atLeastOnce())
@@ -408,7 +410,7 @@ private function createRefreshTokenGetUsernameExpectation(MockObject $refreshTok
 
     private function appendOptionsOnRefreshTokenAuthenticator(array $options): void
     {
-        $reflector = new \ReflectionClass(RefreshTokenAuthenticator::class);
+        $reflector = new ReflectionClass(RefreshTokenAuthenticator::class);
         $property = $reflector->getProperty('options');
         $property->setAccessible(true);
 
diff --git a/Tests/Unit/Service/RefreshTokenTest.php b/Tests/Unit/Service/RefreshTokenTest.php
index ebf8dabd..6915acd0 100644
--- a/Tests/Unit/Service/RefreshTokenTest.php
+++ b/Tests/Unit/Service/RefreshTokenTest.php
@@ -2,6 +2,7 @@
 
 namespace Gesdinet\JWTRefreshTokenBundle\Tests\Unit\Service;
 
+use ReflectionClass;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenInterface;
 use Gesdinet\JWTRefreshTokenBundle\Model\RefreshTokenManagerInterface;
 use Gesdinet\JWTRefreshTokenBundle\Security\Authenticator\RefreshTokenAuthenticator;
@@ -131,7 +132,7 @@ public function testItThrowsAnAuthenticationException()
 
     private function setTtlUpdateOnRefreshToken(bool $ttlUpdate): void
     {
-        $reflector = new \ReflectionClass(RefreshToken::class);
+        $reflector = new ReflectionClass(RefreshToken::class);
         $property = $reflector->getProperty('ttlUpdate');
         $property->setAccessible(true);
         $property->setValue($this->refreshToken, $ttlUpdate);