diff --git a/htdocs/admin/workflow.php b/htdocs/admin/workflow.php
index 54a177e6330..00775ed3070 100755
--- a/htdocs/admin/workflow.php
+++ b/htdocs/admin/workflow.php
@@ -26,7 +26,6 @@
 
 require("../main.inc.php");
 require_once(DOL_DOCUMENT_ROOT."/core/lib/admin.lib.php");
-require_once(DOL_DOCUMENT_ROOT."/core/lib/ajax.lib.php");
 
 $langs->load("admin");
 $langs->load("workflow");
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 8b5be34f969..68a005d62f8 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -900,9 +900,6 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
 		// Output standard javascript links
 		if (! $disablejs && $conf->use_javascript_ajax)
 		{
-			// Other external js
-			require_once DOL_DOCUMENT_ROOT.'/core/lib/ajax.lib.php';
-
 			$ext='.js';
 			if (isset($conf->global->MAIN_OPTIMIZE_SPEED) && ($conf->global->MAIN_OPTIMIZE_SPEED & 0x01)) { $ext='.jgz'; }	// mini='_mini', ext='.gz'