diff --git a/app/Models/Article.php b/app/Models/Article.php
index 32c697b6..470d14eb 100644
--- a/app/Models/Article.php
+++ b/app/Models/Article.php
@@ -87,6 +87,13 @@ final class Article extends Model implements HasMedia, ReactableInterface, Sitem
         'is_pinned' => 'boolean',
     ];
 
+    protected static function booted(): void
+    {
+        Article::deleting(function ($article): void {
+            $article->activities()->delete();
+        });
+    }
+
     protected bool $removeViewsOnDelete = true;
 
     public function getRouteKeyName(): string
diff --git a/app/Models/Discussion.php b/app/Models/Discussion.php
index cd96c408..664d9d39 100644
--- a/app/Models/Discussion.php
+++ b/app/Models/Discussion.php
@@ -80,6 +80,13 @@ final class Discussion extends Model implements ReactableInterface, ReplyInterfa
 
     protected bool $removeViewsOnDelete = true;
 
+    protected static function booted(): void
+    {
+        Discussion::deleting(function ($discussion): void {
+            $discussion->activities()->delete();
+        });
+    }
+
     public function newEloquentBuilder($query): DiscussionQueryBuilder
     {
         return new DiscussionQueryBuilder($query);
diff --git a/app/Models/Reply.php b/app/Models/Reply.php
index a01f91fe..3b6dc36b 100644
--- a/app/Models/Reply.php
+++ b/app/Models/Reply.php
@@ -46,6 +46,13 @@ final class Reply extends Model implements ReactableInterface, ReplyInterface, S
         'body',
     ];
 
+    protected static function booted(): void
+    {
+        Reply::deleting(function ($reply): void {
+            $reply->activities()->delete();
+        });
+    }
+
     public function subject(): int
     {
         return $this->id;
diff --git a/app/Models/Thread.php b/app/Models/Thread.php
index 6e5573cc..2fed8698 100644
--- a/app/Models/Thread.php
+++ b/app/Models/Thread.php
@@ -84,6 +84,13 @@ final class Thread extends Model implements Feedable, ReactableInterface, ReplyI
 
     protected bool $removeViewsOnDelete = true;
 
+    protected static function booted(): void
+    {
+        Thread::deleting(function ($thread): void {
+            $thread->activities()->delete();
+        });
+    }
+
     public function getRouteKeyName(): string
     {
         return 'slug';
diff --git a/composer.lock b/composer.lock
index f79cb730..d2a35e46 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4200,16 +4200,16 @@
             },
             "type": "library",
             "extra": {
-                "branch-alias": {
-                    "dev-master": "3.0-dev"
-                },
                 "laravel": {
-                    "providers": [
-                        "Jenssegers\\Agent\\AgentServiceProvider"
-                    ],
                     "aliases": {
                         "Agent": "Jenssegers\\Agent\\Facades\\Agent"
-                    }
+                    },
+                    "providers": [
+                        "Jenssegers\\Agent\\AgentServiceProvider"
+                    ]
+                },
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
                 }
             },
             "autoload": {