diff --git a/composer.json b/composer.json
index 4e909e5e..3b8a744e 100644
--- a/composer.json
+++ b/composer.json
@@ -22,9 +22,9 @@
         "zendframework/zend-config": "^3.0",
         "zendframework/zend-i18n": "^2.7",
         "zendframework/zend-config-aggregator": "^0.1",
-        "acelaya/zsm-annotated-services": "^1.0",
         "acelaya/ze-content-based-error-handler": "^2.0",
         "doctrine/orm": "^2.5",
+        "doctrine/annotations": "^1.4 <1.5",
         "doctrine/collections": "^1.4 <1.5",
         "doctrine/common": "^2.7 <2.8",
         "guzzlehttp/guzzle": "^6.2",
diff --git a/module/Rest/config/dependencies.config.php b/module/Rest/config/dependencies.config.php
index a36f7590..8f2227c0 100644
--- a/module/Rest/config/dependencies.config.php
+++ b/module/Rest/config/dependencies.config.php
@@ -1,34 +1,62 @@
 <?php
-use Acelaya\ZsmAnnotatedServices\Factory\V3\AnnotatedFactory;
+
+use Psr\Log\LoggerInterface;
+use Shlinkio\Shlink\Core\Options\AppOptions;
+use Shlinkio\Shlink\Core\Service;
 use Shlinkio\Shlink\Rest\Action;
 use Shlinkio\Shlink\Rest\Authentication\JWTService;
 use Shlinkio\Shlink\Rest\Middleware;
-use Shlinkio\Shlink\Rest\Service;
+use Shlinkio\Shlink\Rest\Service\ApiKeyService;
+use Zend\I18n\Translator\Translator;
+use Zend\ServiceManager\AbstractFactory\ConfigAbstractFactory;
 use Zend\ServiceManager\Factory\InvokableFactory;
 
 return [
 
     'dependencies' => [
         'factories' => [
-            JWTService::class => AnnotatedFactory::class,
-            Service\ApiKeyService::class => AnnotatedFactory::class,
+            JWTService::class => ConfigAbstractFactory::class,
+            ApiKeyService::class => ConfigAbstractFactory::class,
 
-            Action\AuthenticateAction::class => AnnotatedFactory::class,
-            Action\CreateShortcodeAction::class => AnnotatedFactory::class,
-            Action\ResolveUrlAction::class => AnnotatedFactory::class,
-            Action\GetVisitsAction::class => AnnotatedFactory::class,
-            Action\ListShortcodesAction::class => AnnotatedFactory::class,
-            Action\EditShortcodeTagsAction::class => AnnotatedFactory::class,
-            Action\Tag\ListTagsAction::class => AnnotatedFactory::class,
-            Action\Tag\DeleteTagsAction::class => AnnotatedFactory::class,
-            Action\Tag\CreateTagsAction::class => AnnotatedFactory::class,
-            Action\Tag\UpdateTagAction::class => AnnotatedFactory::class,
+            Action\AuthenticateAction::class => ConfigAbstractFactory::class,
+            Action\CreateShortcodeAction::class => ConfigAbstractFactory::class,
+            Action\ResolveUrlAction::class => ConfigAbstractFactory::class,
+            Action\GetVisitsAction::class => ConfigAbstractFactory::class,
+            Action\ListShortcodesAction::class => ConfigAbstractFactory::class,
+            Action\EditShortcodeTagsAction::class => ConfigAbstractFactory::class,
+            Action\Tag\ListTagsAction::class => ConfigAbstractFactory::class,
+            Action\Tag\DeleteTagsAction::class => ConfigAbstractFactory::class,
+            Action\Tag\CreateTagsAction::class => ConfigAbstractFactory::class,
+            Action\Tag\UpdateTagAction::class => ConfigAbstractFactory::class,
 
-            Middleware\BodyParserMiddleware::class => AnnotatedFactory::class,
+            Middleware\BodyParserMiddleware::class => InvokableFactory::class,
             Middleware\CrossDomainMiddleware::class => InvokableFactory::class,
             Middleware\PathVersionMiddleware::class => InvokableFactory::class,
-            Middleware\CheckAuthenticationMiddleware::class => AnnotatedFactory::class,
+            Middleware\CheckAuthenticationMiddleware::class => ConfigAbstractFactory::class,
         ],
     ],
 
+    ConfigAbstractFactory::class => [
+        JWTService::class => [AppOptions::class],
+        ApiKeyService::class => ['em'],
+
+        Action\AuthenticateAction::class => [ApiKeyService::class, JWTService::class, 'translator', 'Logger_Shlink'],
+        Action\CreateShortcodeAction::class => [
+            Service\UrlShortener::class,
+            'translator',
+            'config.url_shortener.domain',
+            'Logger_Shlink'
+        ],
+        Action\ResolveUrlAction::class => [Service\UrlShortener::class, 'translator'],
+        Action\GetVisitsAction::class => [Service\VisitsTracker::class, 'translator', 'Logger_Shlink'],
+        Action\ListShortcodesAction::class => [Service\ShortUrlService::class, 'translator', 'Logger_Shlink'],
+        Action\EditShortcodeTagsAction::class => [Service\ShortUrlService::class, 'translator', 'Logger_Shlink'],
+        Action\Tag\ListTagsAction::class => [Service\Tag\TagService::class, LoggerInterface::class],
+        Action\Tag\DeleteTagsAction::class => [Service\Tag\TagService::class, LoggerInterface::class],
+        Action\Tag\CreateTagsAction::class => [Service\Tag\TagService::class, LoggerInterface::class],
+        Action\Tag\UpdateTagAction::class => [Service\Tag\TagService::class, Translator::class, LoggerInterface::class],
+
+        Middleware\CheckAuthenticationMiddleware::class => [JWTService::class, 'translator', 'Logger_Shlink'],
+    ],
+
 ];
diff --git a/module/Rest/src/Action/AuthenticateAction.php b/module/Rest/src/Action/AuthenticateAction.php
index a4b15920..1403e88e 100644
--- a/module/Rest/src/Action/AuthenticateAction.php
+++ b/module/Rest/src/Action/AuthenticateAction.php
@@ -1,12 +1,10 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Log\LoggerInterface;
-use Shlinkio\Shlink\Rest\Authentication\JWTService;
 use Shlinkio\Shlink\Rest\Authentication\JWTServiceInterface;
 use Shlinkio\Shlink\Rest\Service\ApiKeyService;
 use Shlinkio\Shlink\Rest\Service\ApiKeyServiceInterface;
@@ -29,15 +27,6 @@ class AuthenticateAction extends AbstractRestAction
      */
     private $jwtService;
 
-    /**
-     * AuthenticateAction constructor.
-     * @param ApiKeyServiceInterface|ApiKeyService $apiKeyService
-     * @param JWTServiceInterface|JWTService $jwtService
-     * @param TranslatorInterface $translator
-     * @param LoggerInterface|null $logger
-     *
-     * @Inject({ApiKeyService::class, JWTService::class, "translator", "Logger_Shlink"})
-     */
     public function __construct(
         ApiKeyServiceInterface $apiKeyService,
         JWTServiceInterface $jwtService,
diff --git a/module/Rest/src/Action/CreateShortcodeAction.php b/module/Rest/src/Action/CreateShortcodeAction.php
index 3cea7469..e140f4f7 100644
--- a/module/Rest/src/Action/CreateShortcodeAction.php
+++ b/module/Rest/src/Action/CreateShortcodeAction.php
@@ -1,13 +1,11 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Log\LoggerInterface;
 use Shlinkio\Shlink\Core\Exception\InvalidUrlException;
-use Shlinkio\Shlink\Core\Service\UrlShortener;
 use Shlinkio\Shlink\Core\Service\UrlShortenerInterface;
 use Shlinkio\Shlink\Rest\Util\RestUtils;
 use Zend\Diactoros\Response\JsonResponse;
@@ -29,16 +27,6 @@ class CreateShortcodeAction extends AbstractRestAction
      */
     private $translator;
 
-    /**
-     * GenerateShortcodeMiddleware constructor.
-     *
-     * @param UrlShortenerInterface $urlShortener
-     * @param TranslatorInterface $translator
-     * @param array $domainConfig
-     * @param LoggerInterface|null $logger
-     *
-     * @Inject({UrlShortener::class, "translator", "config.url_shortener.domain", "Logger_Shlink"})
-     */
     public function __construct(
         UrlShortenerInterface $urlShortener,
         TranslatorInterface $translator,
diff --git a/module/Rest/src/Action/EditShortcodeTagsAction.php b/module/Rest/src/Action/EditShortcodeTagsAction.php
index 19f3a29d..9ad8113f 100644
--- a/module/Rest/src/Action/EditShortcodeTagsAction.php
+++ b/module/Rest/src/Action/EditShortcodeTagsAction.php
@@ -1,13 +1,11 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Log\LoggerInterface;
 use Shlinkio\Shlink\Core\Exception\InvalidShortCodeException;
-use Shlinkio\Shlink\Core\Service\ShortUrlService;
 use Shlinkio\Shlink\Core\Service\ShortUrlServiceInterface;
 use Shlinkio\Shlink\Rest\Util\RestUtils;
 use Zend\Diactoros\Response\JsonResponse;
@@ -24,14 +22,6 @@ class EditShortcodeTagsAction extends AbstractRestAction
      */
     private $translator;
 
-    /**
-     * EditShortcodeTagsAction constructor.
-     * @param ShortUrlServiceInterface $shortUrlService
-     * @param TranslatorInterface $translator
-     * @param LoggerInterface|null $logger
-     *
-     * @Inject({ShortUrlService::class, "translator", "Logger_Shlink"})
-     */
     public function __construct(
         ShortUrlServiceInterface $shortUrlService,
         TranslatorInterface $translator,
diff --git a/module/Rest/src/Action/GetVisitsAction.php b/module/Rest/src/Action/GetVisitsAction.php
index 0a03436c..df11f312 100644
--- a/module/Rest/src/Action/GetVisitsAction.php
+++ b/module/Rest/src/Action/GetVisitsAction.php
@@ -1,14 +1,12 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Log\LoggerInterface;
 use Shlinkio\Shlink\Common\Exception\InvalidArgumentException;
 use Shlinkio\Shlink\Common\Util\DateRange;
-use Shlinkio\Shlink\Core\Service\VisitsTracker;
 use Shlinkio\Shlink\Core\Service\VisitsTrackerInterface;
 use Shlinkio\Shlink\Rest\Util\RestUtils;
 use Zend\Diactoros\Response\JsonResponse;
@@ -25,14 +23,6 @@ class GetVisitsAction extends AbstractRestAction
      */
     private $translator;
 
-    /**
-     * GetVisitsAction constructor.
-     * @param VisitsTrackerInterface $visitsTracker
-     * @param TranslatorInterface $translator
-     * @param LoggerInterface $logger
-     *
-     * @Inject({VisitsTracker::class, "translator", "Logger_Shlink"})
-     */
     public function __construct(
         VisitsTrackerInterface $visitsTracker,
         TranslatorInterface $translator,
diff --git a/module/Rest/src/Action/ListShortcodesAction.php b/module/Rest/src/Action/ListShortcodesAction.php
index f4bf420b..aa941375 100644
--- a/module/Rest/src/Action/ListShortcodesAction.php
+++ b/module/Rest/src/Action/ListShortcodesAction.php
@@ -1,13 +1,11 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Log\LoggerInterface;
 use Shlinkio\Shlink\Common\Paginator\Util\PaginatorUtilsTrait;
-use Shlinkio\Shlink\Core\Service\ShortUrlService;
 use Shlinkio\Shlink\Core\Service\ShortUrlServiceInterface;
 use Shlinkio\Shlink\Rest\Util\RestUtils;
 use Zend\Diactoros\Response\JsonResponse;
@@ -26,14 +24,6 @@ class ListShortcodesAction extends AbstractRestAction
      */
     private $translator;
 
-    /**
-     * ListShortcodesAction constructor.
-     * @param ShortUrlServiceInterface|ShortUrlService $shortUrlService
-     * @param TranslatorInterface $translator
-     * @param LoggerInterface $logger
-     *
-     * @Inject({ShortUrlService::class, "translator", "Logger_Shlink"})
-     */
     public function __construct(
         ShortUrlServiceInterface $shortUrlService,
         TranslatorInterface $translator,
diff --git a/module/Rest/src/Action/ResolveUrlAction.php b/module/Rest/src/Action/ResolveUrlAction.php
index f8167b16..0e7176a4 100644
--- a/module/Rest/src/Action/ResolveUrlAction.php
+++ b/module/Rest/src/Action/ResolveUrlAction.php
@@ -1,13 +1,11 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Log\LoggerInterface;
 use Shlinkio\Shlink\Core\Exception\InvalidShortCodeException;
-use Shlinkio\Shlink\Core\Service\UrlShortener;
 use Shlinkio\Shlink\Core\Service\UrlShortenerInterface;
 use Shlinkio\Shlink\Rest\Util\RestUtils;
 use Zend\Diactoros\Response\JsonResponse;
@@ -24,14 +22,6 @@ class ResolveUrlAction extends AbstractRestAction
      */
     private $translator;
 
-    /**
-     * ResolveUrlAction constructor.
-     * @param UrlShortenerInterface|UrlShortener $urlShortener
-     * @param TranslatorInterface $translator
-     * @param LoggerInterface $logger
-     *
-     * @Inject({UrlShortener::class, "translator"})
-     */
     public function __construct(
         UrlShortenerInterface $urlShortener,
         TranslatorInterface $translator,
diff --git a/module/Rest/src/Action/Tag/CreateTagsAction.php b/module/Rest/src/Action/Tag/CreateTagsAction.php
index 5496513d..99c5e485 100644
--- a/module/Rest/src/Action/Tag/CreateTagsAction.php
+++ b/module/Rest/src/Action/Tag/CreateTagsAction.php
@@ -1,12 +1,10 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action\Tag;
 
-use Acelaya\ZsmAnnotatedServices\Annotation as DI;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Log\LoggerInterface;
-use Shlinkio\Shlink\Core\Service\Tag\TagService;
 use Shlinkio\Shlink\Core\Service\Tag\TagServiceInterface;
 use Shlinkio\Shlink\Rest\Action\AbstractRestAction;
 use Zend\Diactoros\Response\JsonResponse;
@@ -18,13 +16,6 @@ class CreateTagsAction extends AbstractRestAction
      */
     private $tagService;
 
-    /**
-     * CreateTagsAction constructor.
-     * @param TagServiceInterface $tagService
-     * @param LoggerInterface|null $logger
-     *
-     * @DI\Inject({TagService::class, LoggerInterface::class})
-     */
     public function __construct(TagServiceInterface $tagService, LoggerInterface $logger = null)
     {
         parent::__construct($logger);
diff --git a/module/Rest/src/Action/Tag/DeleteTagsAction.php b/module/Rest/src/Action/Tag/DeleteTagsAction.php
index fe41bdce..84dc88c3 100644
--- a/module/Rest/src/Action/Tag/DeleteTagsAction.php
+++ b/module/Rest/src/Action/Tag/DeleteTagsAction.php
@@ -1,12 +1,10 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action\Tag;
 
-use Acelaya\ZsmAnnotatedServices\Annotation as DI;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Log\LoggerInterface;
-use Shlinkio\Shlink\Core\Service\Tag\TagService;
 use Shlinkio\Shlink\Core\Service\Tag\TagServiceInterface;
 use Shlinkio\Shlink\Rest\Action\AbstractRestAction;
 use Zend\Diactoros\Response\EmptyResponse;
@@ -18,13 +16,6 @@ class DeleteTagsAction extends AbstractRestAction
      */
     private $tagService;
 
-    /**
-     * DeleteTagsAction constructor.
-     * @param TagServiceInterface $tagService
-     * @param LoggerInterface|null $logger
-     *
-     * @DI\Inject({TagService::class, LoggerInterface::class})
-     */
     public function __construct(TagServiceInterface $tagService, LoggerInterface $logger = null)
     {
         parent::__construct($logger);
diff --git a/module/Rest/src/Action/Tag/ListTagsAction.php b/module/Rest/src/Action/Tag/ListTagsAction.php
index acfa0846..9d23e18e 100644
--- a/module/Rest/src/Action/Tag/ListTagsAction.php
+++ b/module/Rest/src/Action/Tag/ListTagsAction.php
@@ -1,12 +1,10 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action\Tag;
 
-use Acelaya\ZsmAnnotatedServices\Annotation as DI;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Log\LoggerInterface;
-use Shlinkio\Shlink\Core\Service\Tag\TagService;
 use Shlinkio\Shlink\Core\Service\Tag\TagServiceInterface;
 use Shlinkio\Shlink\Rest\Action\AbstractRestAction;
 use Zend\Diactoros\Response\JsonResponse;
@@ -18,13 +16,6 @@ class ListTagsAction extends AbstractRestAction
      */
     private $tagService;
 
-    /**
-     * ListTagsAction constructor.
-     * @param TagServiceInterface $tagService
-     * @param LoggerInterface|null $logger
-     *
-     * @DI\Inject({TagService::class, LoggerInterface::class})
-     */
     public function __construct(TagServiceInterface $tagService, LoggerInterface $logger = null)
     {
         parent::__construct($logger);
diff --git a/module/Rest/src/Action/Tag/UpdateTagAction.php b/module/Rest/src/Action/Tag/UpdateTagAction.php
index 40595691..b2c4e395 100644
--- a/module/Rest/src/Action/Tag/UpdateTagAction.php
+++ b/module/Rest/src/Action/Tag/UpdateTagAction.php
@@ -1,19 +1,16 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Action\Tag;
 
-use Acelaya\ZsmAnnotatedServices\Annotation as DI;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Log\LoggerInterface;
 use Shlinkio\Shlink\Core\Exception\EntityDoesNotExistException;
-use Shlinkio\Shlink\Core\Service\Tag\TagService;
 use Shlinkio\Shlink\Core\Service\Tag\TagServiceInterface;
 use Shlinkio\Shlink\Rest\Action\AbstractRestAction;
 use Shlinkio\Shlink\Rest\Util\RestUtils;
 use Zend\Diactoros\Response\EmptyResponse;
 use Zend\Diactoros\Response\JsonResponse;
-use Zend\I18n\Translator\Translator;
 use Zend\I18n\Translator\TranslatorInterface;
 
 class UpdateTagAction extends AbstractRestAction
@@ -27,14 +24,6 @@ class UpdateTagAction extends AbstractRestAction
      */
     private $translator;
 
-    /**
-     * UpdateTagAction constructor.
-     * @param TagServiceInterface $tagService
-     * @param TranslatorInterface $translator
-     * @param LoggerInterface|null $logger
-     *
-     * @DI\Inject({TagService::class, Translator::class, LoggerInterface::class})
-     */
     public function __construct(
         TagServiceInterface $tagService,
         TranslatorInterface $translator,
diff --git a/module/Rest/src/Authentication/JWTService.php b/module/Rest/src/Authentication/JWTService.php
index ee252606..b8f1be96 100644
--- a/module/Rest/src/Authentication/JWTService.php
+++ b/module/Rest/src/Authentication/JWTService.php
@@ -1,7 +1,6 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Authentication;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Firebase\JWT\JWT;
 use Shlinkio\Shlink\Core\Options\AppOptions;
 use Shlinkio\Shlink\Rest\Entity\ApiKey;
@@ -14,12 +13,6 @@ class JWTService implements JWTServiceInterface
      */
     private $appOptions;
 
-    /**
-     * JWTService constructor.
-     * @param AppOptions $appOptions
-     *
-     * @Inject({AppOptions::class})
-     */
     public function __construct(AppOptions $appOptions)
     {
         $this->appOptions = $appOptions;
diff --git a/module/Rest/src/Middleware/CheckAuthenticationMiddleware.php b/module/Rest/src/Middleware/CheckAuthenticationMiddleware.php
index d7d922ad..93537d35 100644
--- a/module/Rest/src/Middleware/CheckAuthenticationMiddleware.php
+++ b/module/Rest/src/Middleware/CheckAuthenticationMiddleware.php
@@ -1,7 +1,6 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Middleware;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Fig\Http\Message\StatusCodeInterface;
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Interop\Http\ServerMiddleware\MiddlewareInterface;
@@ -10,7 +9,6 @@ use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Log\LoggerInterface;
 use Psr\Log\NullLogger;
 use Shlinkio\Shlink\Rest\Action\AuthenticateAction;
-use Shlinkio\Shlink\Rest\Authentication\JWTService;
 use Shlinkio\Shlink\Rest\Authentication\JWTServiceInterface;
 use Shlinkio\Shlink\Rest\Exception\AuthenticationException;
 use Shlinkio\Shlink\Rest\Util\RestUtils;
@@ -36,14 +34,6 @@ class CheckAuthenticationMiddleware implements MiddlewareInterface, StatusCodeIn
      */
     private $logger;
 
-    /**
-     * CheckAuthenticationMiddleware constructor.
-     * @param JWTServiceInterface|JWTService $jwtService
-     * @param TranslatorInterface $translator
-     * @param LoggerInterface $logger
-     *
-     * @Inject({JWTService::class, "translator", "Logger_Shlink"})
-     */
     public function __construct(
         JWTServiceInterface $jwtService,
         TranslatorInterface $translator,
@@ -62,6 +52,7 @@ class CheckAuthenticationMiddleware implements MiddlewareInterface, StatusCodeIn
      * @param DelegateInterface $delegate
      *
      * @return Response
+     * @throws \InvalidArgumentException
      */
     public function process(Request $request, DelegateInterface $delegate)
     {
diff --git a/module/Rest/src/Service/ApiKeyService.php b/module/Rest/src/Service/ApiKeyService.php
index c9d7f7fb..66545912 100644
--- a/module/Rest/src/Service/ApiKeyService.php
+++ b/module/Rest/src/Service/ApiKeyService.php
@@ -1,7 +1,6 @@
 <?php
 namespace Shlinkio\Shlink\Rest\Service;
 
-use Acelaya\ZsmAnnotatedServices\Annotation\Inject;
 use Doctrine\ORM\EntityManagerInterface;
 use Shlinkio\Shlink\Common\Exception\InvalidArgumentException;
 use Shlinkio\Shlink\Rest\Entity\ApiKey;
@@ -13,12 +12,6 @@ class ApiKeyService implements ApiKeyServiceInterface
      */
     private $em;
 
-    /**
-     * ApiKeyService constructor.
-     * @param EntityManagerInterface $em
-     *
-     * @Inject({"em"})
-     */
     public function __construct(EntityManagerInterface $em)
     {
         $this->em = $em;