diff --git a/includes/tmgmt.exception.inc b/includes/tmgmt.exception.inc
index 3609e99..09d0518 100644
--- a/includes/tmgmt.exception.inc
+++ b/includes/tmgmt.exception.inc
@@ -10,9 +10,8 @@ class TMGMTException extends Exception {
    * @param array $data
    *   Associative array of dynamic data that will be inserted into $message.
    * @param int $code
-   * @param Exception|null $previous
    */
-  function __construct($message = "", $data = array(), $code = 0, Exception $previous = NULL) {
-    parent::__construct(strtr($message, $data), $code, $previous);
+  function __construct($message = "", $data = array(), $code = 0) {
+    parent::__construct(strtr($message, $data), $code);
   }
 }