diff --git a/src/Concerns/SerializesConnections.php b/src/Concerns/SerializesConnections.php
index 982b4f26..0ade4580 100644
--- a/src/Concerns/SerializesConnections.php
+++ b/src/Concerns/SerializesConnections.php
@@ -15,7 +15,6 @@ public function __serialize(): array
     {
         return [
             'id' => $this->id(),
-            'identifier' => $this->identifier(),
             'application' => $this->app()->id(),
             'origin' => $this->origin(),
             'lastSeenAt' => $this->lastSeenAt,
@@ -29,7 +28,6 @@ public function __serialize(): array
     public function __unserialize(array $values): void
     {
         $this->id = $values['id'];
-        $this->identifier = $values['identifier'];
         $this->application = app(ApplicationProvider::class)->findById($values['application']);
         $this->origin = $values['origin'];
         $this->lastSeenAt = $values['lastSeenAt'] ?? null;