diff --git a/framework/core/src/Api/Controller/SendConfirmationEmailController.php b/framework/core/src/Api/Controller/SendConfirmationEmailController.php
index 2935f0067..8140fa997 100644
--- a/framework/core/src/Api/Controller/SendConfirmationEmailController.php
+++ b/framework/core/src/Api/Controller/SendConfirmationEmailController.php
@@ -20,7 +20,7 @@ use Flarum\User\Exception\PermissionDeniedException;
 use Illuminate\Contracts\Mail\Mailer;
 use Illuminate\Mail\Message;
 use Psr\Http\Message\ServerRequestInterface;
-use Symfony\Component\Translation\TranslatorInterface;
+use Illuminate\Contracts\Translation\Translator;
 use Zend\Diactoros\Response\EmptyResponse;
 
 class SendConfirmationEmailController implements ControllerInterface
@@ -43,7 +43,7 @@ class SendConfirmationEmailController implements ControllerInterface
     protected $url;
 
     /**
-     * @var TranslatorInterface
+     * @var Translator
      */
     protected $translator;
 
@@ -51,9 +51,9 @@ class SendConfirmationEmailController implements ControllerInterface
      * @param \Flarum\Settings\SettingsRepositoryInterface $settings
      * @param Mailer $mailer
      * @param UrlGenerator $url
-     * @param TranslatorInterface $translator
+     * @param Translator $translator
      */
-    public function __construct(SettingsRepositoryInterface $settings, Mailer $mailer, UrlGenerator $url, TranslatorInterface $translator)
+    public function __construct(SettingsRepositoryInterface $settings, Mailer $mailer, UrlGenerator $url, Translator $translator)
     {
         $this->settings = $settings;
         $this->mailer = $mailer;
diff --git a/framework/core/src/Api/Serializer/GroupSerializer.php b/framework/core/src/Api/Serializer/GroupSerializer.php
index 7cd1eb989..820803223 100644
--- a/framework/core/src/Api/Serializer/GroupSerializer.php
+++ b/framework/core/src/Api/Serializer/GroupSerializer.php
@@ -13,7 +13,7 @@ namespace Flarum\Api\Serializer;
 
 use Flarum\Group\Group;
 use InvalidArgumentException;
-use Symfony\Component\Translation\TranslatorInterface;
+use Illuminate\Contracts\Translation\Translator;
 
 class GroupSerializer extends AbstractSerializer
 {
@@ -23,14 +23,14 @@ class GroupSerializer extends AbstractSerializer
     protected $type = 'groups';
 
     /**
-     * @var TranslatorInterface
+     * @var Translator
      */
     private $translator;
 
     /**
-     * @param TranslatorInterface $translator
+     * @param Translator $translator
      */
-    public function __construct(TranslatorInterface $translator)
+    public function __construct(Translator $translator)
     {
         $this->translator = $translator;
     }
diff --git a/framework/core/src/Forum/Controller/ResetPasswordController.php b/framework/core/src/Forum/Controller/ResetPasswordController.php
index 641da9b42..4a737b497 100644
--- a/framework/core/src/Forum/Controller/ResetPasswordController.php
+++ b/framework/core/src/Forum/Controller/ResetPasswordController.php
@@ -17,7 +17,7 @@ use Flarum\User\Exception\InvalidConfirmationTokenException;
 use Flarum\User\PasswordToken;
 use Illuminate\Contracts\View\Factory;
 use Psr\Http\Message\ServerRequestInterface as Request;
-use Symfony\Component\Translation\TranslatorInterface;
+use Illuminate\Contracts\Translation\Translator;
 
 class ResetPasswordController extends AbstractHtmlController
 {
@@ -27,14 +27,14 @@ class ResetPasswordController extends AbstractHtmlController
     protected $view;
 
     /**
-     * @var TranslatorInterface
+     * @var Translator
      */
     protected $translator;
 
     /**
      * @param Factory $view
      */
-    public function __construct(Factory $view, TranslatorInterface $translator)
+    public function __construct(Factory $view, Translator $translator)
     {
         $this->view = $view;
         $this->translator = $translator;
diff --git a/framework/core/src/Foundation/AbstractValidator.php b/framework/core/src/Foundation/AbstractValidator.php
index ee1062af5..4d1a1fd4e 100644
--- a/framework/core/src/Foundation/AbstractValidator.php
+++ b/framework/core/src/Foundation/AbstractValidator.php
@@ -15,7 +15,7 @@ use Flarum\Foundation\Event\Validating;
 use Illuminate\Contracts\Events\Dispatcher;
 use Illuminate\Contracts\Validation\ValidationException;
 use Illuminate\Validation\Factory;
-use Symfony\Component\Translation\TranslatorInterface;
+use Illuminate\Contracts\Translation\Translator;
 
 abstract class AbstractValidator
 {
@@ -35,16 +35,16 @@ abstract class AbstractValidator
     protected $events;
 
     /**
-     * @var TranslatorInterface
+     * @var Translator
      */
     protected $translator;
 
     /**
      * @param Factory $validator
      * @param Dispatcher $events
-     * @param TranslatorInterface $translator
+     * @param Translator $translator
      */
-    public function __construct(Factory $validator, Dispatcher $events, TranslatorInterface $translator)
+    public function __construct(Factory $validator, Dispatcher $events, Translator $translator)
     {
         $this->validator = $validator;
         $this->events = $events;
diff --git a/framework/core/src/Install/Console/InstallCommand.php b/framework/core/src/Install/Console/InstallCommand.php
index 6c628fcbd..de49c11f6 100644
--- a/framework/core/src/Install/Console/InstallCommand.php
+++ b/framework/core/src/Install/Console/InstallCommand.php
@@ -36,7 +36,7 @@ use Illuminate\Filesystem\Filesystem;
 use Illuminate\Validation\Factory;
 use PDO;
 use Symfony\Component\Console\Input\InputOption;
-use Symfony\Component\Translation\TranslatorInterface;
+use Illuminate\Contracts\Translation\Translator;
 
 class InstallCommand extends AbstractCommand
 {
@@ -409,7 +409,7 @@ class InstallCommand extends AbstractCommand
      */
     protected function getValidator()
     {
-        return new Factory($this->application->make(TranslatorInterface::class));
+        return new Factory($this->application->make(Translator::class));
     }
 
     protected function showErrors($errors)
diff --git a/framework/core/src/Locale/LocaleServiceProvider.php b/framework/core/src/Locale/LocaleServiceProvider.php
index ac179c52a..35b52eef7 100644
--- a/framework/core/src/Locale/LocaleServiceProvider.php
+++ b/framework/core/src/Locale/LocaleServiceProvider.php
@@ -16,7 +16,6 @@ use Flarum\Foundation\AbstractServiceProvider;
 use Illuminate\Contracts\Events\Dispatcher;
 use Illuminate\Contracts\Translation\Translator as TranslatorContract;
 use Symfony\Component\Translation\MessageSelector;
-use Symfony\Component\Translation\TranslatorInterface;
 
 class LocaleServiceProvider extends AbstractServiceProvider
 {
@@ -48,7 +47,6 @@ class LocaleServiceProvider extends AbstractServiceProvider
             return $translator;
         });
         $this->app->alias('translator', Translator::class);
-        $this->app->alias('translator', TranslatorInterface::class);
         $this->app->alias('translator', TranslatorContract::class);
     }
 
diff --git a/framework/core/src/User/Command/RequestPasswordResetHandler.php b/framework/core/src/User/Command/RequestPasswordResetHandler.php
index c0ac0c7fd..fc03314d4 100644
--- a/framework/core/src/User/Command/RequestPasswordResetHandler.php
+++ b/framework/core/src/User/Command/RequestPasswordResetHandler.php
@@ -20,7 +20,7 @@ use Illuminate\Contracts\Validation\Factory;
 use Illuminate\Contracts\Validation\ValidationException;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Mail\Message;
-use Symfony\Component\Translation\TranslatorInterface;
+use Illuminate\Contracts\Translation\Translator;
 
 class RequestPasswordResetHandler
 {
@@ -45,7 +45,7 @@ class RequestPasswordResetHandler
     protected $url;
 
     /**
-     * @var TranslatorInterface
+     * @var Translator
      */
     protected $translator;
 
@@ -59,7 +59,7 @@ class RequestPasswordResetHandler
      * @param SettingsRepositoryInterface $settings
      * @param Mailer $mailer
      * @param UrlGenerator $url
-     * @param TranslatorInterface $translator
+     * @param Translator $translator
      * @param Factory $validatorFactory
      */
     public function __construct(
@@ -67,7 +67,7 @@ class RequestPasswordResetHandler
         SettingsRepositoryInterface $settings,
         Mailer $mailer,
         UrlGenerator $url,
-        TranslatorInterface $translator,
+        Translator $translator,
         Factory $validatorFactory
     ) {
         $this->users = $users;
diff --git a/framework/core/src/User/EmailConfirmationMailer.php b/framework/core/src/User/EmailConfirmationMailer.php
index 3273690b1..59b892ad3 100755
--- a/framework/core/src/User/EmailConfirmationMailer.php
+++ b/framework/core/src/User/EmailConfirmationMailer.php
@@ -18,7 +18,7 @@ use Flarum\User\Event\Registered;
 use Illuminate\Contracts\Events\Dispatcher;
 use Illuminate\Contracts\Mail\Mailer;
 use Illuminate\Mail\Message;
-use Symfony\Component\Translation\TranslatorInterface;
+use Illuminate\Contracts\Translation\Translator;
 
 class EmailConfirmationMailer
 {
@@ -38,7 +38,7 @@ class EmailConfirmationMailer
     protected $url;
 
     /**
-     * @var TranslatorInterface
+     * @var Translator
      */
     protected $translator;
 
@@ -46,9 +46,9 @@ class EmailConfirmationMailer
      * @param \Flarum\Settings\SettingsRepositoryInterface $settings
      * @param Mailer $mailer
      * @param UrlGenerator $url
-     * @param TranslatorInterface $translator
+     * @param Translator $translator
      */
-    public function __construct(SettingsRepositoryInterface $settings, Mailer $mailer, UrlGenerator $url, TranslatorInterface $translator)
+    public function __construct(SettingsRepositoryInterface $settings, Mailer $mailer, UrlGenerator $url, Translator $translator)
     {
         $this->settings = $settings;
         $this->mailer = $mailer;