Update Status model

app/Status.php

@@ -407,4 +407,9 @@ class Status extends Model
         return $this->belongsTo(Place::class);
     }
 
+    public function directMessage()
+    {
+        return $this->hasOne(DirectMessage::class);
+    }
+
 }

app/Util/ActivityPub/Inbox.php

@@ -508,6 +508,7 @@ class Inbox
                     if(!$status) {
                         return;
                     }
+                    $status->directMessage()->delete();
                     $status->media()->delete();
                     $status->likes()->delete();
                     $status->shares()->delete();