diff --git a/lib/SecurityUtility.php b/lib/SecurityUtility.php
index cae9380..f6ca618 100644
--- a/lib/SecurityUtility.php
+++ b/lib/SecurityUtility.php
@@ -21,10 +21,7 @@ public function generateSecurityToken($xmlDom, $certificateFilePath, $keyPass, &
             $pubcert = explode("\n", $certs['cert']);
             array_shift($pubcert);
 
-            while (!trim(array_pop($pubcert)))
-            {
-
-            }
+            while (!trim(array_pop($pubcert))) { /* Empty whlie loop */ }
 
             array_walk($pubcert, 'trim');
             $pubcert = implode('', $pubcert);
@@ -46,24 +43,6 @@ public function generateSecurityToken($xmlDom, $certificateFilePath, $keyPass, &
         return $tokenElement;
     }
 
-    /**
-     * Sample UUID function, based on random number or provided data
-     *
-     * @param mixed $data
-     * @return string
-     */
-    function getUUID($data = null)
-    {
-        if ($data === null)
-        {
-            $data = microtime() . uniqid();
-        }
-
-        $id = md5($data);
-
-        return sprintf('%08s-%04s-%04s-%04s-%012s', substr($id, 0, 8), substr($id, 8, 4), substr($id, 12, 4), substr(16, 4), substr($id, 20));
-    }
-
     /**
      * XML canonicalization
      *