You can remove any menu item using the command call REMOVE_MENU_ITEM of the message port  Application. It is recommended to use the command call in the event handler for the event AppInitialize. This is an example for removing the menu item  "XML Export (default)..." :
*the parameter   component   must contain the identifier of the component that contains the menu
*the parameter   item  must contain the definition of the item to be removed; the item is defined as a succession of menus and submenus separated by the character "\t":
<menu>\t<submenu>\t<sub-submenu>\t<item>