diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index aa7de4f..b316479 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: ['8.1', '8.2', '8.3']
+        php: ['8.2', '8.3']
         dependencies: [lowest, highest]
         experimental: [false]
 
diff --git a/src/Telegram.php b/src/Telegram.php
index 4da7f78..f1efbde 100644
--- a/src/Telegram.php
+++ b/src/Telegram.php
@@ -14,22 +14,14 @@
  */
 class Telegram
 {
-    /** @var HttpClient HTTP Client */
-    protected readonly HttpClient $http;
-
-    /** @var null|string Telegram Bot API Token. */
-    protected ?string $token;
-
     /** @var string Telegram Bot API Base URI */
     protected string $apiBaseUri;
 
     public function __construct(
-        ?string $token = null,
-        HttpClient $httpClient = new HttpClient,
+        protected ?string $token = null,
+        protected HttpClient $http = new HttpClient,
         string $apiBaseUri = 'https://api.telegram.org'
     ) {
-        $this->token = $token;
-        $this->http = $httpClient;
         $this->setApiBaseUri($apiBaseUri);
     }
 
@@ -115,9 +107,9 @@ public function sendMessage(array $params): ?ResponseInterface
      *
      * @throws CouldNotSendNotification
      */
-    public function sendFile(array $params, string|array $type, bool $multipart = false): ?ResponseInterface
+    public function sendFile(array $params, string $type, bool $multipart = false): ?ResponseInterface
     {
-        return $this->sendRequest('send'.Str::studly((array) $type[0]), $params, $multipart);
+        return $this->sendRequest('send'.Str::studly($type), $params, $multipart);
     }
 
     /**