diff --git a/framework/core/src/Notification/Notification.php b/framework/core/src/Notification/Notification.php
index a29058ab9..d8551842e 100644
--- a/framework/core/src/Notification/Notification.php
+++ b/framework/core/src/Notification/Notification.php
@@ -191,7 +191,7 @@ class Notification extends AbstractModel
      */
     public function scopeWhereSubjectModel(Builder $query, string $class)
     {
-        $notificationTypes = array_filter(Notification::getSubjectModels(), function ($modelClass) use ($class) {
+        $notificationTypes = array_filter(self::getSubjectModels(), function ($modelClass) use ($class) {
             return $modelClass === $class or is_subclass_of($class, $modelClass);
         });
 
diff --git a/framework/core/src/Post/Post.php b/framework/core/src/Post/Post.php
index 24aeac5f2..1ffff2e36 100644
--- a/framework/core/src/Post/Post.php
+++ b/framework/core/src/Post/Post.php
@@ -15,7 +15,6 @@ use Flarum\Database\AbstractModel;
 use Flarum\Database\ScopeVisibilityTrait;
 use Flarum\Discussion\Discussion;
 use Flarum\Event\GetModelIsPrivate;
-use Flarum\Event\ScopeModelVisibility;
 use Flarum\Foundation\EventGeneratorTrait;
 use Flarum\Notification\Notification;
 use Flarum\Post\Event\Deleted;