diff --git a/app/Notifications/ApiTokenExpiringNotification.php b/app/Notifications/ApiTokenExpiringNotification.php
index c00ac2d12..451dd312a 100644
--- a/app/Notifications/ApiTokenExpiringNotification.php
+++ b/app/Notifications/ApiTokenExpiringNotification.php
@@ -29,16 +29,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('api_token_expiring');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "api-token-expiring:{$this->token->id}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 172800;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Application/DeploymentFailed.php b/app/Notifications/Application/DeploymentFailed.php
index 0ed705edd..8fff7f03b 100644
--- a/app/Notifications/Application/DeploymentFailed.php
+++ b/app/Notifications/Application/DeploymentFailed.php
@@ -52,16 +52,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('deployment_failure');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "deployment-failed:{$this->deployment_uuid}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Application/DeploymentSuccess.php b/app/Notifications/Application/DeploymentSuccess.php
index 56b692cda..415df5831 100644
--- a/app/Notifications/Application/DeploymentSuccess.php
+++ b/app/Notifications/Application/DeploymentSuccess.php
@@ -52,16 +52,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('deployment_success');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "deployment-success:{$this->deployment_uuid}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Application/RestartLimitReached.php b/app/Notifications/Application/RestartLimitReached.php
index 507bba28d..635dfdbdc 100644
--- a/app/Notifications/Application/RestartLimitReached.php
+++ b/app/Notifications/Application/RestartLimitReached.php
@@ -49,16 +49,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('status_change');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "restart-limit-reached:application:{$this->resource->uuid}:count:{$this->restart_count}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Application/StatusChanged.php b/app/Notifications/Application/StatusChanged.php
index 87986435d..ef61b7e6a 100644
--- a/app/Notifications/Application/StatusChanged.php
+++ b/app/Notifications/Application/StatusChanged.php
@@ -42,16 +42,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('status_change');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "application-status-changed:application:{$this->resource->uuid}:stopped";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 3600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
@@ -60,7 +50,6 @@ public function toMail(): MailMessage
         $mail->view('emails.application-status-changes', [
             'name' => $this->resource_name,
             'fqdn' => $fqdn,
-            'application_url' => $this->resource_url,
             'resource_url' => $this->resource_url,
         ]);
 
diff --git a/app/Notifications/Channels/EmailChannel.php b/app/Notifications/Channels/EmailChannel.php
index 45c6cb2d6..abd115550 100644
--- a/app/Notifications/Channels/EmailChannel.php
+++ b/app/Notifications/Channels/EmailChannel.php
@@ -4,20 +4,13 @@
 
 use App\Exceptions\NonReportableException;
 use App\Models\Team;
-use App\Services\NotificationDeduplicator;
 use Exception;
 use Illuminate\Notifications\Notification;
 use Resend;
-use Resend\Exceptions\ErrorException;
-use Resend\Exceptions\TransporterException;
-use Symfony\Component\Mailer\Mailer;
-use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;
-use Symfony\Component\Mime\Address;
-use Symfony\Component\Mime\Email;
 
 class EmailChannel
 {
-    public function __construct(private NotificationDeduplicator $deduplicator) {}
+    public function __construct() {}
 
     public function send(SendsEmail $notifiable, Notification $notification): void
     {
@@ -74,11 +67,6 @@ public function send(SendsEmail $notifiable, Notification $notification): void
             }
 
             $mailMessage = $notification->toMail($notifiable);
-            $renderedMail = (string) $mailMessage->render();
-
-            if (! $this->deduplicator->shouldSend($notifiable, $notification, self::class, $recipients, $mailMessage->subject, $renderedMail)) {
-                return;
-            }
 
             if ($isResendEnabled) {
                 $resend = Resend::client($settings->resend_api_key);
@@ -87,17 +75,17 @@ public function send(SendsEmail $notifiable, Notification $notification): void
                     'from' => $from,
                     'to' => $recipients,
                     'subject' => $mailMessage->subject,
-                    'html' => $renderedMail,
+                    'html' => (string) $mailMessage->render(),
                 ]);
             } elseif ($isSmtpEnabled) {
-                $encryption = match (strtolower($settings->smtp_encryption ?? '')) {
+                $encryption = match (strtolower($settings->smtp_encryption)) {
                     'starttls' => null,
                     'tls' => 'tls',
                     'none' => null,
                     default => null,
                 };
 
-                $transport = new EsmtpTransport(
+                $transport = new \Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport(
                     $settings->smtp_host,
                     $settings->smtp_port,
                     $encryption
@@ -105,20 +93,20 @@ public function send(SendsEmail $notifiable, Notification $notification): void
                 $transport->setUsername($settings->smtp_username ?? '');
                 $transport->setPassword($settings->smtp_password ?? '');
 
-                $mailer = new Mailer($transport);
+                $mailer = new \Symfony\Component\Mailer\Mailer($transport);
 
                 $fromEmail = $settings->smtp_from_address ?? 'noreply@localhost';
                 $fromName = $settings->smtp_from_name ?? 'System';
-                $from = new Address($fromEmail, $fromName);
-                $email = (new Email)
+                $from = new \Symfony\Component\Mime\Address($fromEmail, $fromName);
+                $email = (new \Symfony\Component\Mime\Email)
                     ->from($from)
                     ->to(...$recipients)
                     ->subject($mailMessage->subject)
-                    ->html($renderedMail);
+                    ->html((string) $mailMessage->render());
 
                 $mailer->send($email);
             }
-        } catch (ErrorException $e) {
+        } catch (\Resend\Exceptions\ErrorException $e) {
             // Map HTTP status codes to user-friendly messages
             $userMessage = match ($e->getErrorCode()) {
                 403 => 'Invalid Resend API key. Please verify your API key in the Resend dashboard and update it in settings.',
@@ -143,13 +131,13 @@ public function send(SendsEmail $notifiable, Notification $notification): void
 
             // Don't report expected errors (invalid keys, validation) to Sentry
             if (in_array($e->getErrorCode(), [403, 401, 400])) {
-                throw NonReportableException::fromException(new Exception($userMessage, $e->getCode(), $e));
+                throw NonReportableException::fromException(new \Exception($userMessage, $e->getCode(), $e));
             }
 
-            throw new Exception($userMessage, $e->getCode(), $e);
-        } catch (TransporterException $e) {
+            throw new \Exception($userMessage, $e->getCode(), $e);
+        } catch (\Resend\Exceptions\TransporterException $e) {
             send_internal_notification("Resend Transport Error: {$e->getMessage()}");
-            throw new Exception('Unable to connect to Resend API. Please check your internet connection and try again.');
+            throw new \Exception('Unable to connect to Resend API. Please check your internet connection and try again.');
         } catch (\Throwable $e) {
             // Check if this is a Resend domain verification error on cloud instances
             if (isCloud() && str_contains($e->getMessage(), 'domain is not verified')) {
diff --git a/app/Notifications/Channels/TransactionalEmailChannel.php b/app/Notifications/Channels/TransactionalEmailChannel.php
index 803db57f3..8ab74a60b 100644
--- a/app/Notifications/Channels/TransactionalEmailChannel.php
+++ b/app/Notifications/Channels/TransactionalEmailChannel.php
@@ -3,7 +3,6 @@
 namespace App\Notifications\Channels;
 
 use App\Models\User;
-use App\Services\NotificationDeduplicator;
 use Exception;
 use Illuminate\Mail\Message;
 use Illuminate\Notifications\Notification;
@@ -11,8 +10,6 @@
 
 class TransactionalEmailChannel
 {
-    public function __construct(private NotificationDeduplicator $deduplicator) {}
-
     public function send(User $notifiable, Notification $notification): void
     {
         $settings = instanceSettings();
@@ -30,19 +27,13 @@ public function send(User $notifiable, Notification $notification): void
         }
         $this->bootConfigs();
         $mailMessage = $notification->toMail($notifiable);
-        $renderedMail = (string) $mailMessage->render();
-
-        if (! $this->deduplicator->shouldSend($notifiable, $notification, self::class, [$email], $mailMessage->subject, $renderedMail)) {
-            return;
-        }
-
         Mail::send(
             [],
             [],
             fn (Message $message) => $message
                 ->to($email)
                 ->subject($mailMessage->subject)
-                ->html($renderedMail)
+                ->html((string) $mailMessage->render())
         );
     }
 
diff --git a/app/Notifications/Container/ContainerRestarted.php b/app/Notifications/Container/ContainerRestarted.php
index d51c77cb3..2d7eb58b5 100644
--- a/app/Notifications/Container/ContainerRestarted.php
+++ b/app/Notifications/Container/ContainerRestarted.php
@@ -21,16 +21,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('status_change');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "container-restarted:server:{$this->server->uuid}:container:{$this->name}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 3600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Container/ContainerStopped.php b/app/Notifications/Container/ContainerStopped.php
index 7daba04ca..f518cd2fd 100644
--- a/app/Notifications/Container/ContainerStopped.php
+++ b/app/Notifications/Container/ContainerStopped.php
@@ -21,16 +21,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('status_change');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "container-stopped:server:{$this->server->uuid}:container:{$this->name}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 3600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/CustomEmailNotification.php b/app/Notifications/CustomEmailNotification.php
index e3f62e22a..c3c89b30f 100644
--- a/app/Notifications/CustomEmailNotification.php
+++ b/app/Notifications/CustomEmailNotification.php
@@ -15,19 +15,4 @@ class CustomEmailNotification extends Notification implements ShouldQueue
     public $tries = 5;
 
     public $maxExceptions = 5;
-
-    public function shouldDeduplicate(): bool
-    {
-        return true;
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 900;
-    }
-
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return null;
-    }
 }
diff --git a/app/Notifications/Database/BackupFailed.php b/app/Notifications/Database/BackupFailed.php
index 8d9c99603..c2b21b1d5 100644
--- a/app/Notifications/Database/BackupFailed.php
+++ b/app/Notifications/Database/BackupFailed.php
@@ -11,8 +11,6 @@
 
 class BackupFailed extends CustomEmailNotification
 {
-    public int|string|null $backupId = null;
-
     public string $name;
 
     public string $frequency;
@@ -20,7 +18,6 @@ class BackupFailed extends CustomEmailNotification
     public function __construct(ScheduledDatabaseBackup $backup, public $database, public $output, public $database_name)
     {
         $this->onQueue('high');
-        $this->backupId = data_get($backup, 'uuid') ?? data_get($backup, 'id');
         $this->name = $database->name;
         $this->frequency = $backup->frequency;
     }
@@ -30,16 +27,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('backup_failure');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "backup-failed:backup:{$this->backupId}:database:{$this->database->uuid}:output:".hash('sha256', (string) $this->output);
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 21600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Database/BackupSuccess.php b/app/Notifications/Database/BackupSuccess.php
index 166a48496..3d2d8ece3 100644
--- a/app/Notifications/Database/BackupSuccess.php
+++ b/app/Notifications/Database/BackupSuccess.php
@@ -11,8 +11,6 @@
 
 class BackupSuccess extends CustomEmailNotification
 {
-    public int|string|null $backupId = null;
-
     public string $name;
 
     public string $frequency;
@@ -20,7 +18,6 @@ class BackupSuccess extends CustomEmailNotification
     public function __construct(ScheduledDatabaseBackup $backup, public $database, public $database_name)
     {
         $this->onQueue('high');
-        $this->backupId = data_get($backup, 'uuid') ?? data_get($backup, 'id');
 
         $this->name = $database->name;
         $this->frequency = $backup->frequency;
@@ -31,16 +28,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('backup_success');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "backup-success:backup:{$this->backupId}:database:{$this->database->uuid}:name:{$this->database_name}:frequency:{$this->frequency}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Database/BackupSuccessWithS3Warning.php b/app/Notifications/Database/BackupSuccessWithS3Warning.php
index 0da619448..ee24ef17d 100644
--- a/app/Notifications/Database/BackupSuccessWithS3Warning.php
+++ b/app/Notifications/Database/BackupSuccessWithS3Warning.php
@@ -11,8 +11,6 @@
 
 class BackupSuccessWithS3Warning extends CustomEmailNotification
 {
-    public int|string|null $backupId = null;
-
     public string $name;
 
     public string $frequency;
@@ -22,7 +20,6 @@ class BackupSuccessWithS3Warning extends CustomEmailNotification
     public function __construct(ScheduledDatabaseBackup $backup, public $database, public $database_name, public $s3_error)
     {
         $this->onQueue('high');
-        $this->backupId = data_get($backup, 'uuid') ?? data_get($backup, 'id');
 
         $this->name = $database->name;
         $this->frequency = $backup->frequency;
@@ -37,16 +34,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('backup_failure');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "backup-s3-warning:backup:{$this->backupId}:database:{$this->database->uuid}:error:".hash('sha256', (string) $this->s3_error);
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 21600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/ScheduledTask/TaskFailed.php b/app/Notifications/ScheduledTask/TaskFailed.php
index 5078ca8e9..bd060112a 100644
--- a/app/Notifications/ScheduledTask/TaskFailed.php
+++ b/app/Notifications/ScheduledTask/TaskFailed.php
@@ -28,16 +28,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('scheduled_task_failure');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "scheduled-task-failed:task:{$this->task->uuid}:output:".hash('sha256', $this->output);
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 3600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/ScheduledTask/TaskSuccess.php b/app/Notifications/ScheduledTask/TaskSuccess.php
index 0231ecf3d..58c959bd8 100644
--- a/app/Notifications/ScheduledTask/TaskSuccess.php
+++ b/app/Notifications/ScheduledTask/TaskSuccess.php
@@ -28,16 +28,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('scheduled_task_success');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "scheduled-task-success:task:{$this->task->uuid}:output:".hash('sha256', $this->output);
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 3600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/DockerCleanupFailed.php b/app/Notifications/Server/DockerCleanupFailed.php
index ac0eea17d..9cbdeb488 100644
--- a/app/Notifications/Server/DockerCleanupFailed.php
+++ b/app/Notifications/Server/DockerCleanupFailed.php
@@ -21,16 +21,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('docker_cleanup_failure');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "docker-cleanup-failed:server:{$this->server->uuid}:message:".hash('sha256', $this->message);
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 21600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/DockerCleanupSuccess.php b/app/Notifications/Server/DockerCleanupSuccess.php
index 7e5ec0bcf..d28f25c6c 100644
--- a/app/Notifications/Server/DockerCleanupSuccess.php
+++ b/app/Notifications/Server/DockerCleanupSuccess.php
@@ -21,16 +21,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('docker_cleanup_success');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "docker-cleanup-success:server:{$this->server->uuid}:message:".hash('sha256', $this->message);
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 21600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/ForceDisabled.php b/app/Notifications/Server/ForceDisabled.php
index 8d1817026..4b56f5860 100644
--- a/app/Notifications/Server/ForceDisabled.php
+++ b/app/Notifications/Server/ForceDisabled.php
@@ -21,16 +21,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('server_force_disabled');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "server-force-disabled:{$this->server->uuid}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/ForceEnabled.php b/app/Notifications/Server/ForceEnabled.php
index 3db96f995..36dad3c60 100644
--- a/app/Notifications/Server/ForceEnabled.php
+++ b/app/Notifications/Server/ForceEnabled.php
@@ -21,16 +21,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('server_force_enabled');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "server-force-enabled:{$this->server->uuid}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/HetznerDeletionFailed.php b/app/Notifications/Server/HetznerDeletionFailed.php
index 866d2eb07..bb452b054 100644
--- a/app/Notifications/Server/HetznerDeletionFailed.php
+++ b/app/Notifications/Server/HetznerDeletionFailed.php
@@ -21,16 +21,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('hetzner_deletion_failed');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "hetzner-deletion-failed:{$this->hetznerServerId}:error:".hash('sha256', $this->errorMessage);
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/HighDiskUsage.php b/app/Notifications/Server/HighDiskUsage.php
index 4007ca805..149d1bbc8 100644
--- a/app/Notifications/Server/HighDiskUsage.php
+++ b/app/Notifications/Server/HighDiskUsage.php
@@ -21,16 +21,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('server_disk_usage');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "high-disk-usage:server:{$this->server->uuid}:threshold:{$this->server_disk_usage_notification_threshold}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 21600;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/Reachable.php b/app/Notifications/Server/Reachable.php
index b297b7d3d..e64b0af2a 100644
--- a/app/Notifications/Server/Reachable.php
+++ b/app/Notifications/Server/Reachable.php
@@ -30,16 +30,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('server_reachable');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "server-reachable:{$this->server->uuid}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 1800;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/ServerPatchCheck.php b/app/Notifications/Server/ServerPatchCheck.php
index d0d5f4875..ba6cd4982 100644
--- a/app/Notifications/Server/ServerPatchCheck.php
+++ b/app/Notifications/Server/ServerPatchCheck.php
@@ -24,16 +24,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('server_patch');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "server-patch-check:server:{$this->server->uuid}:state:".hash('sha256', json_encode($this->patchData));
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail($notifiable = null): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/TraefikVersionOutdated.php b/app/Notifications/Server/TraefikVersionOutdated.php
index d6e5ae8aa..c94cc1732 100644
--- a/app/Notifications/Server/TraefikVersionOutdated.php
+++ b/app/Notifications/Server/TraefikVersionOutdated.php
@@ -38,18 +38,6 @@ private function getUpgradeTarget(array $info): string
         return $this->formatVersion($info['latest'] ?? 'unknown');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        $serverUuids = $this->servers->pluck('uuid')->sort()->values()->join('|');
-
-        return 'traefik-version-outdated:servers:'.hash('sha256', $serverUuids);
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail($notifiable = null): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Server/Unreachable.php b/app/Notifications/Server/Unreachable.php
index cd6fd63b6..99742f3b7 100644
--- a/app/Notifications/Server/Unreachable.php
+++ b/app/Notifications/Server/Unreachable.php
@@ -30,16 +30,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('server_unreachable');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "server-unreachable:{$this->server->uuid}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 3600;
-    }
-
     public function toMail(): ?MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/SslExpirationNotification.php b/app/Notifications/SslExpirationNotification.php
index 72ce136bd..78e1e8be9 100644
--- a/app/Notifications/SslExpirationNotification.php
+++ b/app/Notifications/SslExpirationNotification.php
@@ -59,22 +59,6 @@ public function via(object $notifiable): array
         return $notifiable->getEnabledChannels('ssl_certificate_renewal');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        $resourceKeys = $this->resources
-            ->map(fn ($resource) => data_get($resource, 'uuid') ?? data_get($resource, 'name'))
-            ->sort()
-            ->values()
-            ->join('|');
-
-        return 'ssl-certificate-renewed:resources:'.hash('sha256', $resourceKeys);
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 86400;
-    }
-
     public function toMail(): MailMessage
     {
         $mail = new MailMessage;
diff --git a/app/Notifications/Test.php b/app/Notifications/Test.php
index ea3dfe9c1..bbed22777 100644
--- a/app/Notifications/Test.php
+++ b/app/Notifications/Test.php
@@ -30,11 +30,6 @@ public function __construct(public ?string $emails = null, public ?string $chann
         $this->onQueue('high');
     }
 
-    public function shouldDeduplicate(): bool
-    {
-        return false;
-    }
-
     public function via(object $notifiable): array
     {
         if ($this->channel) {
diff --git a/app/Notifications/TransactionalEmails/EmailChangeVerification.php b/app/Notifications/TransactionalEmails/EmailChangeVerification.php
index bb5e7f870..ea8462366 100644
--- a/app/Notifications/TransactionalEmails/EmailChangeVerification.php
+++ b/app/Notifications/TransactionalEmails/EmailChangeVerification.php
@@ -25,16 +25,6 @@ public function __construct(
         $this->onQueue('high');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "email-change-verification:user:{$this->user->id}:email:{$this->newEmail}:code:{$this->verificationCode}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return (int) max(1, now()->diffInSeconds($this->expiresAt, false));
-    }
-
     public function toMail(): MailMessage
     {
         // Use the configured expiry minutes value
diff --git a/app/Notifications/TransactionalEmails/InvitationLink.php b/app/Notifications/TransactionalEmails/InvitationLink.php
index f3b1e6d67..9bfb54798 100644
--- a/app/Notifications/TransactionalEmails/InvitationLink.php
+++ b/app/Notifications/TransactionalEmails/InvitationLink.php
@@ -21,16 +21,6 @@ public function __construct(public User $user, public bool $isTransactionalEmail
         $this->onQueue('high');
     }
 
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return "invitation-link:user:{$this->user->id}:email:{$this->user->email}";
-    }
-
-    public function deduplicateFor(): int
-    {
-        return 3600;
-    }
-
     public function toMail(): MailMessage
     {
         $invitation = TeamInvitation::whereEmail($this->user->email)->first();
diff --git a/app/Notifications/TransactionalEmails/Test.php b/app/Notifications/TransactionalEmails/Test.php
index dc8c0dac7..2f7d70bbf 100644
--- a/app/Notifications/TransactionalEmails/Test.php
+++ b/app/Notifications/TransactionalEmails/Test.php
@@ -15,11 +15,6 @@ public function __construct(public string $emails, public bool $isTransactionalE
         $this->onQueue('high');
     }
 
-    public function shouldDeduplicate(): bool
-    {
-        return false;
-    }
-
     public function via(): array
     {
         return [EmailChannel::class];
diff --git a/app/Services/NotificationDeduplicator.php b/app/Services/NotificationDeduplicator.php
deleted file mode 100644
index d018dd0a5..000000000
--- a/app/Services/NotificationDeduplicator.php
+++ /dev/null
@@ -1,95 +0,0 @@
-<?php
-
-namespace App\Services;
-
-use Illuminate\Notifications\Notification;
-use Illuminate\Support\Facades\Cache;
-
-class NotificationDeduplicator
-{
-    public const DEFAULT_TTL = 900;
-
-    /**
-     * @param  array<int, string>  $recipients
-     */
-    public function shouldSend(object $notifiable, Notification $notification, string $channel, array $recipients, ?string $subject = null, ?string $body = null): bool
-    {
-        if (method_exists($notification, 'shouldDeduplicate') && ! $notification->shouldDeduplicate()) {
-            return true;
-        }
-
-        $ttl = method_exists($notification, 'deduplicateFor')
-            ? $notification->deduplicateFor()
-            : self::DEFAULT_TTL;
-
-        if ($ttl <= 0) {
-            return true;
-        }
-
-        return Cache::add(
-            $this->cacheKey($notifiable, $notification, $channel, $recipients, $subject, $body),
-            true,
-            $ttl,
-        );
-    }
-
-    /**
-     * @param  array<int, string>  $recipients
-     */
-    private function cacheKey(object $notifiable, Notification $notification, string $channel, array $recipients, ?string $subject, ?string $body): string
-    {
-        $semanticKey = method_exists($notification, 'deduplicationKey')
-            ? $notification->deduplicationKey($notifiable, $channel)
-            : null;
-
-        $payload = $semanticKey
-            ? $this->semanticFingerprint($notifiable, $notification, $channel, $recipients, $semanticKey)
-            : $this->defaultFingerprint($notifiable, $notification, $channel, $recipients, $subject, $body);
-
-        return 'notification-dedupe:'.hash('sha256', $payload);
-    }
-
-    /**
-     * @param  array<int, string>  $recipients
-     */
-    private function semanticFingerprint(object $notifiable, Notification $notification, string $channel, array $recipients, string $semanticKey): string
-    {
-        return json_encode([
-            'notification' => $notification::class,
-            'notifiable' => $notifiable::class,
-            'notifiable_id' => data_get($notifiable, 'id'),
-            'channel' => $channel,
-            'recipients' => $this->normalizeRecipients($recipients),
-            'semantic_key' => $semanticKey,
-        ], JSON_THROW_ON_ERROR);
-    }
-
-    /**
-     * @param  array<int, string>  $recipients
-     */
-    private function defaultFingerprint(object $notifiable, Notification $notification, string $channel, array $recipients, ?string $subject, ?string $body): string
-    {
-        return json_encode([
-            'notification' => $notification::class,
-            'notifiable' => $notifiable::class,
-            'notifiable_id' => data_get($notifiable, 'id'),
-            'channel' => $channel,
-            'recipients' => $this->normalizeRecipients($recipients),
-            'subject' => $subject,
-            'body_hash' => hash('sha256', (string) $body),
-        ], JSON_THROW_ON_ERROR);
-    }
-
-    /**
-     * @param  array<int, string>  $recipients
-     * @return array<int, string>
-     */
-    private function normalizeRecipients(array $recipients): array
-    {
-        return collect($recipients)
-            ->map(fn (string $recipient) => mb_strtolower(trim($recipient)))
-            ->sort()
-            ->values()
-            ->all();
-    }
-}
diff --git a/tests/Feature/ApplicationStoppedAfterRestartLimitTest.php b/tests/Feature/ApplicationStoppedAfterRestartLimitTest.php
index 482a3e16e..6b82d5568 100644
--- a/tests/Feature/ApplicationStoppedAfterRestartLimitTest.php
+++ b/tests/Feature/ApplicationStoppedAfterRestartLimitTest.php
@@ -48,24 +48,6 @@ function applicationWithRestartState(array $attributes = []): Application
     expect($html)->not->toContain('Stopped after reaching restart limit');
 });
 
-it('uses a semantic dedupe key for restart limit notifications', function () {
-    $application = applicationWithRestartState();
-    $application->forceFill([
-        'name' => 'crashy-app',
-        'uuid' => 'application-uuid',
-    ]);
-    $application->setRelation('environment', (object) [
-        'uuid' => 'environment-uuid',
-        'name' => 'production',
-        'project' => (object) ['uuid' => 'project-uuid'],
-    ]);
-
-    $notification = new RestartLimitReached($application);
-
-    expect($notification->deduplicationKey((object) ['id' => 1], 'mail'))->toBe('restart-limit-reached:application:application-uuid:count:2')
-        ->and($notification->deduplicateFor())->toBe(86400);
-});
-
 it('keeps restart tracking configurable when stopping an application', function () {
     $method = new ReflectionMethod(StopApplication::class, 'handle');
     $resetRestartCount = collect($method->getParameters())->firstWhere('name', 'resetRestartCount');
diff --git a/tests/Feature/NotificationDeduplicationTest.php b/tests/Feature/NotificationDeduplicationTest.php
deleted file mode 100644
index 39fc70433..000000000
--- a/tests/Feature/NotificationDeduplicationTest.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-
-use App\Notifications\CustomEmailNotification;
-use App\Services\NotificationDeduplicator;
-use Illuminate\Notifications\Messages\MailMessage;
-use Illuminate\Support\Facades\Cache;
-
-class DedupeTestNotification extends CustomEmailNotification
-{
-    public function __construct(
-        public ?string $semanticKey = null,
-        public bool $deduplicate = true,
-        public int $ttl = 900,
-    ) {}
-
-    public function toMail(): MailMessage
-    {
-        return (new MailMessage)->subject('Test');
-    }
-
-    public function shouldDeduplicate(): bool
-    {
-        return $this->deduplicate;
-    }
-
-    public function deduplicateFor(): int
-    {
-        return $this->ttl;
-    }
-
-    public function deduplicationKey(object $notifiable, string $channel): ?string
-    {
-        return $this->semanticKey;
-    }
-}
-
-beforeEach(function () {
-    Cache::flush();
-    $this->deduplicator = app(NotificationDeduplicator::class);
-    $this->notifiable = new class
-    {
-        public int $id = 123;
-    };
-});
-
-it('allows only the first identical notification fingerprint during the ttl', function () {
-    $notification = new DedupeTestNotification;
-
-    expect($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['first@example.com'], 'Subject', '<p>Body</p>'))->toBeTrue()
-        ->and($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['first@example.com'], 'Subject', '<p>Body</p>'))->toBeFalse();
-});
-
-it('allows different recipients and content through the default fingerprint', function () {
-    $notification = new DedupeTestNotification;
-
-    expect($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['first@example.com'], 'Subject', '<p>Body</p>'))->toBeTrue()
-        ->and($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['second@example.com'], 'Subject', '<p>Body</p>'))->toBeTrue()
-        ->and($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['first@example.com'], 'Other subject', '<p>Body</p>'))->toBeTrue()
-        ->and($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['first@example.com'], 'Subject', '<p>Other body</p>'))->toBeTrue();
-});
-
-it('uses semantic keys instead of rendered content when provided', function () {
-    $notification = new DedupeTestNotification(semanticKey: 'event:123');
-
-    expect($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['first@example.com'], 'Subject', '<p>Body</p>'))->toBeTrue()
-        ->and($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['first@example.com'], 'Other subject', '<p>Other body</p>'))->toBeFalse()
-        ->and($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['second@example.com'], 'Other subject', '<p>Other body</p>'))->toBeTrue();
-});
-
-it('allows notifications to opt out of deduplication', function () {
-    $notification = new DedupeTestNotification(deduplicate: false);
-
-    expect($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['first@example.com'], 'Subject', '<p>Body</p>'))->toBeTrue()
-        ->and($this->deduplicator->shouldSend($this->notifiable, $notification, 'mail', ['first@example.com'], 'Subject', '<p>Body</p>'))->toBeTrue();
-});