diff --git a/addons/base/static/src/css/base.css b/addons/base/static/src/css/base.css
index a0f4dafe282..b7ecd5a2c58 100644
--- a/addons/base/static/src/css/base.css
+++ b/addons/base/static/src/css/base.css
@@ -95,8 +95,6 @@ body.openerp {
 
 .openerp .menu {
     height: 34px;
-    position: relative;
-    white-space: nowrap;
     background: url(../img/menu-bg.png) repeat-x;
 }
 .openerp .menu a {