diff --git a/composer-require-checker.json b/composer-require-checker.json
index 22300230c9..b6fe79b6b2 100644
--- a/composer-require-checker.json
+++ b/composer-require-checker.json
@@ -26,7 +26,8 @@
     "HWI\\Bundle\\OAuthBundle\\Connect\\AccountConnectorInterface",
     "HWI\\Bundle\\OAuthBundle\\OAuth\\Response\\UserResponseInterface",
     "HWI\\Bundle\\OAuthBundle\\Security\\Core\\User\\OAuthAwareUserProviderInterface",
-    "League\\Flysystem\\FilesystemOperator"
+    "League\\Flysystem\\FilesystemOperator",
+    "Symfony\\Component\\Security\\Core\\Encoder\\EncoderFactoryInterface"
   ],
   "php-core-extensions" : [
     "Core",
diff --git a/psalm.xml b/psalm.xml
index 57679bb569..60847bdd2b 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -90,10 +90,7 @@
                 <referencedClass name="Payum\Core\Action\GatewayAwareAction" />
                 <referencedClass name="Payum\Core\Security\GenericTokenFactoryInterface" />
                 <referencedClass name="Sylius\Component\Core\Calculator\ProductVariantPriceCalculatorInterface" />
-                <referencedClass name="Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent" /> <!-- deprected in Symfony 4.4 -->
-                <referencedClass name="Symfony\Component\HttpKernel\EventListener\ExceptionListener" /> <!-- deprected in Symfony 4.4 -->
                 <referencedClass name="Symfony\Component\Routing\RouteCollectionBuilder" /> <!-- deprecated in Symfony 5.1 -->
-                <referencedClass name="Symfony\Component\Security\Core\Role\Role" /> <!-- deprecated in Symfony 4.3 -->
                 <referencedClass name="Symfony\Component\Security\Http\Logout\DefaultLogoutSuccessHandler" /> <!-- deprecated in Symfony 5.1 -->
                 <referencedClass name="Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface" /> <!-- deprecated in Symfony 5.3 -->
                 <referencedClass name="Symfony\Component\Security\Core\Encoder\EncoderAwareInterface" /> <!-- deprecated in Symfony 5.3 -->
@@ -105,7 +102,6 @@
             <errorLevel type="info">
                 <referencedClass name="Sylius\Component\Core\Calculator\ProductVariantPriceCalculatorInterface" />
                 <referencedClass name="Symfony\Component\Security\Core\Encoder\EncoderAwareInterface" /> <!-- deprecated in Symfony 5.3 -->
-                <referencedClass name="Symfony\Component\Security\Core\User\AdvancedUserInterface" /> <!-- deprecated in Symfony 4.1 -->
                 <referencedClass name="Symfony\Component\Security\Http\Logout\LogoutSuccessHandlerInterface" /> <!-- deprecated in Symfony 5.1 -->
                 <referencedClass name="Symfony\Component\Security\Core\Encoder\EncoderAwareInterface" /> <!-- deprecated in Symfony 5.3 -->
                 <referencedClass name="Symfony\Component\Serializer\Normalizer\ContextAwareDenormalizerInterface" /> <!-- deprecated in Symfony 6.1 -->
@@ -117,7 +113,6 @@
                 <referencedMethod name="Faker\Generator::__get"/>
                 <referencedMethod name="Payum\Core\Model\GatewayConfigInterface::setFactoryName" />
                 <referencedMethod name="Sylius\Component\Mailer\Sender\SenderInterface::send"/>
-                <referencedMethod name="Symfony\Component\EventDispatcher\Event::stopPropagation" /> <!-- deprecated in Symfony 4.3 -->
                 <referencedMethod name="Symfony\Component\HttpFoundation\JsonResponse::create" /> <!-- deprecated in Symfony 5.1 -->
                 <referencedMethod name="Symfony\Component\HttpFoundation\RequestStack::getMasterRequest" /> <!-- deprecated in Symfony 5.3 -->
                 <referencedMethod name="Symfony\Component\HttpKernel\Event\KernelEvent::isMasterRequest" /> <!-- deprecated in Symfony 5.3 -->
@@ -126,7 +121,6 @@
                 <referencedMethod name="Symfony\Component\Security\Core\User\UserInterface::getUsername" /> <!-- deprecated in Symfony 5.3 -->
                 <referencedMethod name="Symfony\Component\Security\Core\User\UserProviderInterface::loadUserByUsername" /> <!-- deprecated in Symfony 5.3 -->
                 <referencedMethod name="Symfony\Component\Security\Core\Authentication\Token\AbstractToken::isAuthenticated" /> <!-- deprecated in Symfony 5.4 -->
-                <referencedMethod name="Sylius\Component\Mailer\Sender\SenderInterface::send" /> <!-- deprecated in Symfony 5.4 -->
             </errorLevel>
         </DeprecatedMethod>
 
@@ -162,6 +156,15 @@
             </errorLevel>
         </UndefinedMethod>
 
+        <UndefinedInterfaceMethod>
+            <errorLevel type="suppress">
+                <referencedMethod name="Symfony\Component\Security\Core\User\UserInterface::getPassword" />
+                <referencedMethod name="Symfony\Component\Security\Core\User\UserInterface::getUsername" />
+                <referencedMethod name="Sylius\Component\User\Model\UserInterface::getUsername" />
+                <referencedMethod name="Sylius\Component\Core\Model\ShopUserInterface::getUsername" />
+            </errorLevel>
+        </UndefinedInterfaceMethod>
+
         <MissingReturnType errorLevel="info" />
 
         <PropertyNotSetInConstructor errorLevel="info" />
@@ -219,7 +222,6 @@
                 <referencedMethod name="Symfony\Component\Config\Definition\Builder\VariableNodeDefinition::integerNode" />
                 <referencedMethod name="Symfony\Component\Config\Definition\Builder\VariableNodeDefinition::scalarNode" />
                 <referencedMethod name="Symfony\Component\Config\Definition\Builder\VariableNodeDefinition::variableNode" />
-                <referencedMethod name="Symfony\Component\Config\Definition\Builder\VariableNodeParentInterface::end" />
             </errorLevel>
         </PossiblyUndefinedMethod>
 
diff --git a/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionCreatedListener.php b/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionCreatedListener.php
index 6dca7e48f3..cd5a562826 100644
--- a/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionCreatedListener.php
+++ b/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionCreatedListener.php
@@ -16,6 +16,7 @@ namespace Sylius\Bundle\CoreBundle\CatalogPromotion\Listener;
 use Doctrine\ORM\EntityManagerInterface;
 use Sylius\Bundle\CoreBundle\CatalogPromotion\Command\UpdateCatalogPromotionState;
 use Sylius\Bundle\CoreBundle\CatalogPromotion\Processor\AllProductVariantsCatalogPromotionsProcessorInterface;
+use Sylius\Component\Core\Model\CatalogPromotionInterface;
 use Sylius\Component\Promotion\Event\CatalogPromotionCreated;
 use Sylius\Component\Resource\Repository\RepositoryInterface;
 use Symfony\Component\Messenger\MessageBusInterface;
@@ -32,6 +33,7 @@ final class CatalogPromotionCreatedListener
 
     public function __invoke(CatalogPromotionCreated $event): void
     {
+        /** @var CatalogPromotionInterface|null $catalogPromotion */
         $catalogPromotion = $this->catalogPromotionRepository->findOneBy(['code' => $event->code]);
 
         if (null === $catalogPromotion) {
diff --git a/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionEndedListener.php b/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionEndedListener.php
index 465311e83c..74f938b9d3 100644
--- a/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionEndedListener.php
+++ b/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionEndedListener.php
@@ -16,6 +16,7 @@ namespace Sylius\Bundle\CoreBundle\CatalogPromotion\Listener;
 use Doctrine\ORM\EntityManagerInterface;
 use Sylius\Bundle\CoreBundle\CatalogPromotion\Command\UpdateCatalogPromotionState;
 use Sylius\Bundle\CoreBundle\CatalogPromotion\Processor\AllProductVariantsCatalogPromotionsProcessorInterface;
+use Sylius\Component\Core\Model\CatalogPromotionInterface;
 use Sylius\Component\Promotion\Event\CatalogPromotionEnded;
 use Sylius\Component\Resource\Repository\RepositoryInterface;
 use Symfony\Component\Messenger\MessageBusInterface;
@@ -32,6 +33,7 @@ final class CatalogPromotionEndedListener
 
     public function __invoke(CatalogPromotionEnded $event): void
     {
+        /** @var CatalogPromotionInterface|null $catalogPromotion */
         $catalogPromotion = $this->catalogPromotionRepository->findOneBy(['code' => $event->code]);
 
         if (null === $catalogPromotion) {
diff --git a/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionUpdatedListener.php b/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionUpdatedListener.php
index c0e4e120de..9239419951 100644
--- a/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionUpdatedListener.php
+++ b/src/Sylius/Bundle/CoreBundle/CatalogPromotion/Listener/CatalogPromotionUpdatedListener.php
@@ -16,6 +16,7 @@ namespace Sylius\Bundle\CoreBundle\CatalogPromotion\Listener;
 use Doctrine\ORM\EntityManagerInterface;
 use Sylius\Bundle\CoreBundle\CatalogPromotion\Command\UpdateCatalogPromotionState;
 use Sylius\Bundle\CoreBundle\CatalogPromotion\Processor\AllProductVariantsCatalogPromotionsProcessorInterface;
+use Sylius\Component\Core\Model\CatalogPromotionInterface;
 use Sylius\Component\Promotion\Event\CatalogPromotionUpdated;
 use Sylius\Component\Resource\Repository\RepositoryInterface;
 use Symfony\Component\Messenger\MessageBusInterface;
@@ -32,6 +33,7 @@ final class CatalogPromotionUpdatedListener
 
     public function __invoke(CatalogPromotionUpdated $event): void
     {
+        /** @var CatalogPromotionInterface|null $catalogPromotion */
         $catalogPromotion = $this->catalogPromotionRepository->findOneBy(['code' => $event->code]);
 
         if (null === $catalogPromotion) {
diff --git a/src/Sylius/Bundle/CurrencyBundle/Form/Type/ExchangeRateType.php b/src/Sylius/Bundle/CurrencyBundle/Form/Type/ExchangeRateType.php
index ed3d041bab..6c33644a4a 100644
--- a/src/Sylius/Bundle/CurrencyBundle/Form/Type/ExchangeRateType.php
+++ b/src/Sylius/Bundle/CurrencyBundle/Form/Type/ExchangeRateType.php
@@ -64,7 +64,6 @@ final class ExchangeRateType extends AbstractResourceType
     {
         parent::configureOptions($resolver);
 
-        /** @psalm-suppress DeprecatedConstant */
         $resolver->setDefault('rounding_mode', \NumberFormatter::ROUND_HALFEVEN);
     }
 
diff --git a/src/Sylius/Bundle/ProductBundle/Form/EventSubscriber/GenerateProductVariantsSubscriber.php b/src/Sylius/Bundle/ProductBundle/Form/EventSubscriber/GenerateProductVariantsSubscriber.php
index f791d2ab13..35a3955b1d 100644
--- a/src/Sylius/Bundle/ProductBundle/Form/EventSubscriber/GenerateProductVariantsSubscriber.php
+++ b/src/Sylius/Bundle/ProductBundle/Form/EventSubscriber/GenerateProductVariantsSubscriber.php
@@ -52,12 +52,6 @@ final class GenerateProductVariantsSubscriber implements EventSubscriberInterfac
         try {
             $this->generator->generate($product);
         } catch (VariantWithNoOptionsValuesException $exception) {
-            if ($this->requestStackOrSession instanceof SessionInterface) {
-                $session = $this->requestStackOrSession;
-            } else {
-                $session = $this->requestStackOrSession->getSession();
-            }
-
             $this->getFlashBag()->add('error', $exception->getMessage());
         }
     }
diff --git a/src/Sylius/Bundle/UserBundle/Command/AbstractRoleCommand.php b/src/Sylius/Bundle/UserBundle/Command/AbstractRoleCommand.php
index 71f749ba58..28aa0f369a 100644
--- a/src/Sylius/Bundle/UserBundle/Command/AbstractRoleCommand.php
+++ b/src/Sylius/Bundle/UserBundle/Command/AbstractRoleCommand.php
@@ -60,7 +60,7 @@ abstract class AbstractRoleCommand extends ContainerAwareCommand
         if (!$input->getArgument('roles')) {
             $question = new Question('Please enter user\'s roles (separated by space):');
             $question->setValidator(function (?string $roles) {
-                if (strlen($roles) < 1) {
+                if ('' === $roles) {
                     throw new \RuntimeException('The value cannot be blank.');
                 }
 
@@ -137,7 +137,7 @@ abstract class AbstractRoleCommand extends ContainerAwareCommand
      */
     protected function getUserModelClass(string $userType): string
     {
-        $config = $this->getContainer()->getParameter('sylius.user.users');
+        $config = (array) $this->getContainer()->getParameter('sylius.user.users');
         if (empty($config[$userType]['user']['classes']['model'])) {
             throw new \InvalidArgumentException(sprintf('User type %s misconfigured.', $userType));
         }
diff --git a/src/Sylius/Bundle/UserBundle/Security/UserLogin.php b/src/Sylius/Bundle/UserBundle/Security/UserLogin.php
index 83efadabe9..82882e0b26 100644
--- a/src/Sylius/Bundle/UserBundle/Security/UserLogin.php
+++ b/src/Sylius/Bundle/UserBundle/Security/UserLogin.php
@@ -58,6 +58,7 @@ class UserLogin implements UserLoginInterface
             );
         }
 
+        /** @psalm-suppress NullArgument */
         return new UsernamePasswordToken(
             $user,
             null,
diff --git a/src/Sylius/Bundle/UserBundle/spec/Security/UserPasswordEncoderSpec.php b/src/Sylius/Bundle/UserBundle/spec/Security/UserPasswordEncoderSpec.php
index 382c70931d..950e0817bc 100644
--- a/src/Sylius/Bundle/UserBundle/spec/Security/UserPasswordEncoderSpec.php
+++ b/src/Sylius/Bundle/UserBundle/spec/Security/UserPasswordEncoderSpec.php
@@ -16,34 +16,31 @@ namespace spec\Sylius\Bundle\UserBundle\Security;
 use PhpSpec\ObjectBehavior;
 use Sylius\Component\User\Model\CredentialsHolderInterface;
 use Sylius\Component\User\Security\UserPasswordEncoderInterface;
-use Symfony\Component\HttpKernel\Kernel;
 use Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface;
 use Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface;
 
-if (Kernel::MAJOR_VERSION === 5) {
-    final class UserPasswordEncoderSpec extends ObjectBehavior
+final class UserPasswordEncoderSpec extends ObjectBehavior
+{
+    function let(EncoderFactoryInterface $encoderFactory): void
     {
-        function let(EncoderFactoryInterface $encoderFactory): void
-        {
-            $this->beConstructedWith($encoderFactory);
-        }
+        $this->beConstructedWith($encoderFactory);
+    }
 
-        function it_implements_password_updater_interface(): void
-        {
-            $this->shouldImplement(UserPasswordEncoderInterface::class);
-        }
+    function it_implements_password_updater_interface(): void
+    {
+        $this->shouldImplement(UserPasswordEncoderInterface::class);
+    }
 
-        function it_encodes_password(
-            EncoderFactoryInterface $encoderFactory,
-            PasswordEncoderInterface $passwordEncoder,
-            CredentialsHolderInterface $user,
-        ): void {
-            $user->getPlainPassword()->willReturn('topSecretPlainPassword');
-            $user->getSalt()->willReturn('typicalSalt');
-            $encoderFactory->getEncoder($user->getWrappedObject())->willReturn($passwordEncoder);
-            $passwordEncoder->encodePassword('topSecretPlainPassword', 'typicalSalt')->willReturn('topSecretEncodedPassword');
+    function it_encodes_password(
+        EncoderFactoryInterface $encoderFactory,
+        PasswordEncoderInterface $passwordEncoder,
+        CredentialsHolderInterface $user,
+    ): void {
+        $user->getPlainPassword()->willReturn('topSecretPlainPassword');
+        $user->getSalt()->willReturn('typicalSalt');
+        $encoderFactory->getEncoder($user->getWrappedObject())->willReturn($passwordEncoder);
+        $passwordEncoder->encodePassword('topSecretPlainPassword', 'typicalSalt')->willReturn('topSecretEncodedPassword');
 
-            $this->encode($user)->shouldReturn('topSecretEncodedPassword');
-        }
+        $this->encode($user)->shouldReturn('topSecretEncodedPassword');
     }
 }