diff --git a/src/Controller/SettingsController.php b/src/Controller/SettingsController.php
index d7be515c..f9a0c10b 100644
--- a/src/Controller/SettingsController.php
+++ b/src/Controller/SettingsController.php
@@ -25,35 +25,23 @@
 
 final class SettingsController extends AbstractController
 {
-    private SettingsProcessorInterface $settingsProcessor;
-
-    private MainSettingsFormTypeFactoryInterface $formFactory;
-
     /**
      * SettingsController constructor.
      */
     public function __construct(
-        SettingsProcessorInterface $settingsProcessor,
-        MainSettingsFormTypeFactoryInterface $formFactory
+        private SettingsProcessorInterface $settingsProcessor,
+        private MainSettingsFormTypeFactoryInterface $formFactory
     ) {
-        $this->settingsProcessor = $settingsProcessor;
-        $this->formFactory = $formFactory;
     }
 
-    /**
-     * @return Response
-     */
-    public function indexAction(RegistryInterface $registry)
+    public function indexAction(RegistryInterface $registry): Response
     {
         return $this->render('@MonsieurBizSyliusSettingsPlugin/Crud/index.html.twig', [
             'settings' => $registry->getAllSettings(),
         ]);
     }
 
-    /**
-     * @return Response
-     */
-    public function formAction(Request $request, RegistryInterface $registry, string $alias)
+    public function formAction(Request $request, RegistryInterface $registry, string $alias): Response
     {
         if (null === ($settings = $registry->getByAlias($alias))) {
             throw $this->createNotFoundException();
diff --git a/src/Factory/Form/MainSettingsFormTypeFactory.php b/src/Factory/Form/MainSettingsFormTypeFactory.php
index 829253c6..eddf105a 100644
--- a/src/Factory/Form/MainSettingsFormTypeFactory.php
+++ b/src/Factory/Form/MainSettingsFormTypeFactory.php
@@ -24,23 +24,14 @@
 
 final class MainSettingsFormTypeFactory implements MainSettingsFormTypeFactoryInterface
 {
-    private FormFactoryInterface $formFactory;
-
-    private ChannelRepositoryInterface $channelRepository;
-
-    private RepositoryInterface $localeRepository;
-
     /**
      * MainSettingsFormTypeFactory constructor.
      */
     public function __construct(
-        FormFactoryInterface $formFactory,
-        ChannelRepositoryInterface $channelRepository,
-        RepositoryInterface $localeRepository
+        private FormFactoryInterface $formFactory,
+        private ChannelRepositoryInterface $channelRepository,
+        private RepositoryInterface $localeRepository
     ) {
-        $this->formFactory = $formFactory;
-        $this->channelRepository = $channelRepository;
-        $this->localeRepository = $localeRepository;
     }
 
     public function createNew(SettingsInterface $settings, string $type, array $options = []): FormInterface
diff --git a/src/Factory/SettingFactory.php b/src/Factory/SettingFactory.php
index a7d74e23..ab614533 100644
--- a/src/Factory/SettingFactory.php
+++ b/src/Factory/SettingFactory.php
@@ -20,20 +20,11 @@
 
 final class SettingFactory implements SettingFactoryInterface
 {
-    /**
-     * @var string
-     */
-    private $className;
-
-    public function __construct(string $className)
+    public function __construct(private string $className)
     {
-        $this->className = $className;
     }
 
-    /**
-     * @return SettingInterface
-     */
-    public function createNew()
+    public function createNew(): SettingInterface
     {
         /** @var SettingInterface */
         return new $this->className();
diff --git a/src/Form/MainSettingsType.php b/src/Form/MainSettingsType.php
index 0865f6eb..23f5b1d4 100644
--- a/src/Form/MainSettingsType.php
+++ b/src/Form/MainSettingsType.php
@@ -27,19 +27,13 @@
 
 final class MainSettingsType extends AbstractType implements MainSettingsTypeInterface
 {
-    private ChannelRepositoryInterface $channelRepository;
-
-    private RepositoryInterface $localeRepository;
-
     /**
      * MainSettingsType constructor.
      */
     public function __construct(
-        ChannelRepositoryInterface $channelRepository,
-        RepositoryInterface $localeRepository
+        private ChannelRepositoryInterface $channelRepository,
+        private RepositoryInterface $localeRepository
     ) {
-        $this->channelRepository = $channelRepository;
-        $this->localeRepository = $localeRepository;
     }
 
     public function configureOptions(OptionsResolver $resolver): void
diff --git a/src/Formatter/SettingsFormatter.php b/src/Formatter/SettingsFormatter.php
index 4aa18bab..7334e99e 100644
--- a/src/Formatter/SettingsFormatter.php
+++ b/src/Formatter/SettingsFormatter.php
@@ -20,13 +20,10 @@ class SettingsFormatter implements SettingsFormatterInterface
 {
     /**
      * @param int|float|string|array $value
-     * @param mixed $type
-     *
-     * @return mixed
      *
      * @SuppressWarnings(PHPMD.CyclomaticComplexity)
      */
-    public function formatValue($type, $value): mixed
+    public function formatValue(mixed $type, $value): mixed
     {
         switch ($type) {
             case SettingInterface::STORAGE_TYPE_BOOLEAN:
diff --git a/src/Formatter/SettingsFormatterInterface.php b/src/Formatter/SettingsFormatterInterface.php
index 321885c1..f92310ef 100644
--- a/src/Formatter/SettingsFormatterInterface.php
+++ b/src/Formatter/SettingsFormatterInterface.php
@@ -17,9 +17,6 @@ interface SettingsFormatterInterface
 {
     /**
      * @param int|float|string|array $value
-     * @param mixed $type
-     *
-     * @return mixed
      */
-    public function formatValue($type, $value);
+    public function formatValue(mixed $type, $value): mixed;
 }
diff --git a/src/Menu/AdminMenuListener.php b/src/Menu/AdminMenuListener.php
index 85447d44..f39d26e0 100644
--- a/src/Menu/AdminMenuListener.php
+++ b/src/Menu/AdminMenuListener.php
@@ -19,17 +19,11 @@
 
 final class AdminMenuListener
 {
-    private MenuManipulator $manipulator;
-
-    private RegistryInterface $settingsRegistry;
-
     /**
      * AdminMenuListener constructor.
      */
-    public function __construct(MenuManipulator $manipulator, RegistryInterface $settingsRegistry)
+    public function __construct(private MenuManipulator $manipulator, private RegistryInterface $settingsRegistry)
     {
-        $this->manipulator = $manipulator;
-        $this->settingsRegistry = $settingsRegistry;
     }
 
     public function addAdminMenuItems(MenuBuilderEvent $event): void
diff --git a/src/Menu/SettingsFormMenuBuilder.php b/src/Menu/SettingsFormMenuBuilder.php
index 63547a73..3660567a 100644
--- a/src/Menu/SettingsFormMenuBuilder.php
+++ b/src/Menu/SettingsFormMenuBuilder.php
@@ -22,23 +22,14 @@
 
 final class SettingsFormMenuBuilder
 {
-    private FactoryInterface $factory;
-
-    private ChannelRepositoryInterface $channelRepository;
-
-    private RepositoryInterface $localeRepository;
-
     /**
      * SettingsFormMenuBuilder constructor.
      */
     public function __construct(
-        FactoryInterface $factory,
-        ChannelRepositoryInterface $channelRepository,
-        RepositoryInterface $localeRepository
+        private FactoryInterface $factory,
+        private ChannelRepositoryInterface $channelRepository,
+        private RepositoryInterface $localeRepository
     ) {
-        $this->factory = $factory;
-        $this->channelRepository = $channelRepository;
-        $this->localeRepository = $localeRepository;
     }
 
     public function createMenu(array $options = []): ItemInterface
diff --git a/src/Processor/SettingsProcessor.php b/src/Processor/SettingsProcessor.php
index 2250c1d0..b07d2810 100644
--- a/src/Processor/SettingsProcessor.php
+++ b/src/Processor/SettingsProcessor.php
@@ -26,27 +26,15 @@
 
 final class SettingsProcessor implements SettingsProcessorInterface
 {
-    private ChannelRepositoryInterface $channelRepository;
-
-    private RepositoryInterface $localeRepository;
-
-    private EntityManagerInterface $entityManager;
-
-    private SettingFactoryInterface $settingFactory;
-
     /**
      * SettingsProcessor constructor.
      */
     public function __construct(
-        ChannelRepositoryInterface $channelRepository,
-        RepositoryInterface $localeRepository,
-        EntityManagerInterface $entityManager,
-        SettingFactoryInterface $settingFactory
+        private ChannelRepositoryInterface $channelRepository,
+        private RepositoryInterface $localeRepository,
+        private EntityManagerInterface $entityManager,
+        private SettingFactoryInterface $settingFactory
     ) {
-        $this->channelRepository = $channelRepository;
-        $this->localeRepository = $localeRepository;
-        $this->entityManager = $entityManager;
-        $this->settingFactory = $settingFactory;
     }
 
     public function processData(SettingsInterface $settings, array $data): void
diff --git a/src/Provider/SettingsProvider.php b/src/Provider/SettingsProvider.php
index 6564a748..47a2eeca 100644
--- a/src/Provider/SettingsProvider.php
+++ b/src/Provider/SettingsProvider.php
@@ -21,28 +21,17 @@
 
 class SettingsProvider implements SettingsProviderInterface
 {
-    private RegistryInterface $settingsRegistry;
-
-    private LocaleContextInterface $localeContext;
-
-    private ChannelContextInterface $channelContext;
-
     public function __construct(
-        RegistryInterface $settingsRegistry,
-        ChannelContextInterface $channelContext,
-        LocaleContextInterface $localeContext
+        private RegistryInterface $settingsRegistry,
+        private ChannelContextInterface $channelContext,
+        private LocaleContextInterface $localeContext
     ) {
-        $this->settingsRegistry = $settingsRegistry;
-        $this->channelContext = $channelContext;
-        $this->localeContext = $localeContext;
     }
 
     /**
      * @throws SettingsException
-     *
-     * @return mixed
      */
-    public function getSettingValue(string $alias, string $path)
+    public function getSettingValue(string $alias, string $path): mixed
     {
         return $this->getSettingValueByChannelAndLocale(
             $alias,
@@ -54,15 +43,13 @@ public function getSettingValue(string $alias, string $path)
 
     /**
      * @throws SettingsException
-     *
-     * @return mixed
      */
     public function getSettingValueByChannelAndLocale(
         string $alias,
         string $path,
         ChannelInterface $channel,
         ?string $locale = null
-    ) {
+    ): mixed {
         if ($settingsInstance = $this->settingsRegistry->getByAlias($alias)) {
             return $settingsInstance->getCurrentValue($channel, $locale, $path);
         }
diff --git a/src/Provider/SettingsProviderInterface.php b/src/Provider/SettingsProviderInterface.php
index 9cace9bb..c475da6f 100644
--- a/src/Provider/SettingsProviderInterface.php
+++ b/src/Provider/SettingsProviderInterface.php
@@ -17,18 +17,12 @@
 
 interface SettingsProviderInterface
 {
-    /**
-     * @return mixed
-     */
-    public function getSettingValue(string $alias, string $path);
+    public function getSettingValue(string $alias, string $path): mixed;
 
-    /**
-     * @return mixed
-     */
     public function getSettingValueByChannelAndLocale(
         string $alias,
         string $path,
         ChannelInterface $channel,
         ?string $locale = null
-    );
+    ): mixed;
 }
diff --git a/src/Settings/Metadata.php b/src/Settings/Metadata.php
index 489710ac..854a9b45 100644
--- a/src/Settings/Metadata.php
+++ b/src/Settings/Metadata.php
@@ -68,10 +68,7 @@ public function getName(bool $aliased = false): string
         return $aliased ? $this->alias($this->name) : $this->name;
     }
 
-    /**
-     * @inheritdoc
-     */
-    public function getParameter(string $name)
+    public function getParameter(string $name): mixed
     {
         if (!$this->hasParameter($name)) {
             throw new InvalidArgumentException(sprintf('Parameter "%s" is not configured for resource "%s".', $name, $this->getAlias()));
@@ -80,17 +77,11 @@ public function getParameter(string $name)
         return $this->parameters[$name];
     }
 
-    /**
-     * @inheritdoc
-     */
     public function hasParameter(string $name): bool
     {
         return \array_key_exists($name, $this->parameters);
     }
 
-    /**
-     * @inheritdoc
-     */
     public function getParameters(): array
     {
         return $this->parameters;
@@ -101,9 +92,6 @@ public function getDefaultValues(): array
         return $this->parameters['default_values'];
     }
 
-    /**
-     * @inheritdoc
-     */
     public function getClass(string $name): string
     {
         if (!$this->hasClass($name)) {
@@ -113,17 +101,11 @@ public function getClass(string $name): string
         return $this->parameters['classes'][$name];
     }
 
-    /**
-     * @inheritdoc
-     */
     public function hasClass(string $name): bool
     {
         return isset($this->parameters['classes'][$name]);
     }
 
-    /**
-     * @inheritdoc
-     */
     public function getServiceId(string $serviceName): string
     {
         return sprintf('%s.%s.%s', $this->applicationName, $serviceName, $this->alias($this->name));
@@ -131,7 +113,7 @@ public function getServiceId(string $serviceName): string
 
     private static function parseAlias(string $alias): array
     {
-        if (false === strpos($alias, '.')) {
+        if (!str_contains($alias, '.')) {
             throw new InvalidArgumentException(sprintf('Invalid alias "%s" supplied, it should conform to the following format "<applicationName>.<name>".', $alias));
         }
 
@@ -143,9 +125,6 @@ private static function alias(string $string): string
         return strtolower(preg_replace('`([A-Z])`', '_\1', lcfirst($string)) ?? '');
     }
 
-    /**
-     * @inheritdoc
-     */
     public function useLocales(): bool
     {
         if (!$this->hasParameter('use_locales')) {
diff --git a/src/Settings/MetadataInterface.php b/src/Settings/MetadataInterface.php
index e3f22528..fd0516df 100644
--- a/src/Settings/MetadataInterface.php
+++ b/src/Settings/MetadataInterface.php
@@ -29,10 +29,7 @@ public function getApplicationName(bool $aliased = false): string;
      */
     public function getName(bool $aliased = false): string;
 
-    /**
-     * @return mixed
-     */
-    public function getParameter(string $name);
+    public function getParameter(string $name): mixed;
 
     public function hasParameter(string $name): bool;
 
diff --git a/src/Settings/Settings.php b/src/Settings/Settings.php
index f61c9ee0..adb6adc2 100644
--- a/src/Settings/Settings.php
+++ b/src/Settings/Settings.php
@@ -23,10 +23,6 @@ final class Settings implements SettingsInterface
 {
     public const DEFAULT_KEY = 'default';
 
-    private Metadata $metadata;
-
-    private SettingRepositoryInterface $settingRepository;
-
     private ?array $settingsByChannelAndLocale;
 
     private ?array $settingsByChannelAndLocaleWithDefault;
@@ -34,10 +30,8 @@ final class Settings implements SettingsInterface
     /**
      * Settings constructor.
      */
-    public function __construct(Metadata $metadata, SettingRepositoryInterface $settingRepository)
+    public function __construct(private Metadata $metadata, private SettingRepositoryInterface $settingRepository)
     {
-        $this->metadata = $metadata;
-        $this->settingRepository = $settingRepository;
     }
 
     public function getAlias(): string
@@ -197,7 +191,7 @@ public function getSettingsValuesByChannelAndLocale(?ChannelInterface $channel =
         return $settingsValues;
     }
 
-    public function getCurrentValue(?ChannelInterface $channel, ?string $localeCode, string $path)
+    public function getCurrentValue(?ChannelInterface $channel, ?string $localeCode, string $path): mixed
     {
         $settings = $this->getSettingsByChannelAndLocale($channel, $localeCode, true);
         if (isset($settings[$path])) {
@@ -212,7 +206,7 @@ public function getDefaultValues(): array
         return $this->metadata->getDefaultValues();
     }
 
-    public function getDefaultValue(string $path)
+    public function getDefaultValue(string $path): mixed
     {
         $defaultValues = $this->getDefaultValues();
         if (\array_key_exists($path, $defaultValues)) {
diff --git a/src/Settings/SettingsInterface.php b/src/Settings/SettingsInterface.php
index 8af9509b..f29562b8 100644
--- a/src/Settings/SettingsInterface.php
+++ b/src/Settings/SettingsInterface.php
@@ -47,17 +47,11 @@ public function getSettingsByChannelAndLocale(?ChannelInterface $channel = null,
 
     public function getSettingsValuesByChannelAndLocale(?ChannelInterface $channel = null, ?string $localeCode = null): array;
 
-    /**
-     * @return mixed
-     */
-    public function getCurrentValue(?ChannelInterface $channel, ?string $localeCode, string $path);
+    public function getCurrentValue(?ChannelInterface $channel, ?string $localeCode, string $path): mixed;
 
     public function getDefaultValues(): array;
 
-    /**
-     * @return mixed
-     */
-    public function getDefaultValue(string $path);
+    public function getDefaultValue(string $path): mixed;
 
     public function showLocalesInForm(): bool;
 }
diff --git a/src/Twig/Extension/SettingsExtension.php b/src/Twig/Extension/SettingsExtension.php
index 986dde1d..fb745aec 100644
--- a/src/Twig/Extension/SettingsExtension.php
+++ b/src/Twig/Extension/SettingsExtension.php
@@ -22,14 +22,11 @@
 
 final class SettingsExtension extends AbstractExtension implements ExtensionInterface
 {
-    private SettingsProviderInterface $settingsProvider;
-
-    public function __construct(SettingsProviderInterface $settings)
+    public function __construct(private SettingsProviderInterface $settingsProvider)
     {
-        $this->settingsProvider = $settings;
     }
 
-    public function getFunctions()
+    public function getFunctions(): array
     {
         return [
             new TwigFunction('setting', [$this, 'getSettingValue'], [
@@ -38,10 +35,7 @@ public function getFunctions()
         ];
     }
 
-    /**
-     * @return mixed
-     */
-    public function getSettingValue(array $context, string $alias, string $path)
+    public function getSettingValue(array $context, string $alias, string $path): mixed
     {
         if (isset($context['sylius']) && $context['sylius'] instanceof ShopperContextInterface) {
             try {