diff --git a/htdocs/mrp/lib/mrp_mo.lib.php b/htdocs/mrp/lib/mrp_mo.lib.php
index 1e33d2a7cd3..08bc07f298a 100644
--- a/htdocs/mrp/lib/mrp_mo.lib.php
+++ b/htdocs/mrp/lib/mrp_mo.lib.php
@@ -106,7 +106,5 @@ function moPrepareHead($object)
 
 	complete_head_from_modules($conf, $langs, $object, $head, $h, 'mo@mrp', 'remove');
 
-	complete_head_from_modules($conf, $langs, $object, $head, $h, 'mo@mrp', 'remove');
-
 	return $head;
 }