diff --git a/application/views/default/scripts/arborescence/naf.phtml b/application/views/default/scripts/arborescence/naf.phtml
index 49474b7a..c2648f4b 100644
--- a/application/views/default/scripts/arborescence/naf.phtml
+++ b/application/views/default/scripts/arborescence/naf.phtml
@@ -7,7 +7,7 @@ $("#<?=$this->key?>").jstree({
 		"dots" : true,
 		"icons" : false,		
 	},
-	"plugins" : ["themes", "json_data", "checkbox", "ui"],
+	"plugins" : ["themes", "json_data", "checkbox"],
 	"json_data" : {		
 		"data" : <?=$this->naf?>, 
 		"ajax" : {