This plugin will help you hide the default WordPress dashboard widgets like Incoming Links, etc.
And also adds a Quick Menu Finder on your dashboard which would help save some time finding those menus that are deeply nested under a submenu.

You can also remove the Akismet Stats from your Dashboard Menu, Theme Editor, Plugin Editor, Custom Background, Custom Header as well.

Dashboard & Menu Cleaner built by Fedmich

More Info

Send your suggestions and comments on fedmich.com/tools/dashboard-menus-cleaner

Thanks