diff --git a/lib/Configuration.php b/lib/Configuration.php
index 802870f..923748b 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -38,7 +38,6 @@
  * @link     https://github.com/swagger-api/swagger-codegen
  */
 
-$GLOBALS['version'] = '2.0.0';
 
 class Configuration
 {
@@ -120,7 +119,7 @@ class Configuration
     public function __construct()
     {
         $this->tempFolderPath = sys_get_temp_dir();
-        $this->userAgent = 'brevo_clientAPI/v' . $GLOBALS['version'] . '/php'; 
+        $this->userAgent = 'brevo_clientAPI/v2.0.0/php';
     }
 
     /**