diff --git a/navalplanner-webapp/src/main/webapp/costcategories/_editTypeOfWorkHours.zul b/navalplanner-webapp/src/main/webapp/costcategories/_editTypeOfWorkHours.zul
index 2dc4d3854..023e09176 100644
--- a/navalplanner-webapp/src/main/webapp/costcategories/_editTypeOfWorkHours.zul
+++ b/navalplanner-webapp/src/main/webapp/costcategories/_editTypeOfWorkHours.zul
@@ -27,7 +27,6 @@
         </tabs>
         <tabpanels>
             <tabpanel>
-                <vbox>
                     <!-- Type of work hour details  -->
                     <grid fixedLayout="false">
                         <columns>
@@ -66,7 +65,6 @@
                             </row>
                         </rows>
                     </grid>
-                </vbox>
             </tabpanel>
         </tabpanels>
     </tabbox>