diff --git a/Message/Http/Request.php b/Message/Http/Request.php
index 4505bded9..f6541ade9 100644
--- a/Message/Http/Request.php
+++ b/Message/Http/Request.php
@@ -400,14 +400,6 @@ class Request extends RequestAbstract
         return $lastElement;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function getProtocolVersion() : string
-    {
-        return $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.1';
-    }
-
     /**
      * {@inheritdoc}
      */