diff --git a/plugins/ktcore/admin/workflowsv2.php b/plugins/ktcore/admin/workflowsv2.php
index baadd60..9aae25d 100644
--- a/plugins/ktcore/admin/workflowsv2.php
+++ b/plugins/ktcore/admin/workflowsv2.php
@@ -48,7 +48,7 @@ require_once(KT_LIB_DIR . '/groups/Group.inc');
 require_once(KT_LIB_DIR . '/roles/Role.inc');
 require_once(KT_LIB_DIR . '/widgets/portlet.inc.php');
 require_once(KT_LIB_DIR . '/widgets/forms.inc.php');
-require_once(KT_DIR . "/thirdparty/pear/GraphViz.php");
+//require_once(KT_DIR . "/thirdparty/pear/GraphViz.php");
 
 class WorkflowNavigationPortlet extends KTPortlet {   
     var $oWorkflow;