To delete an item(s) from your Nucleus navigation menu, begin by hovering over the 'Web' link and click on 'Navigation'.
Now, select the checkboxes corresponding to the nav menu items you wish to delete.
Lastly, click the 'Delete Selected' link in the top-right corner of your navigation dashboard.
To confirm your deletion, select the 'Yes, delete' button in the deletion modal.
Once you've deleted all the items in your Navigation Dashboard, don't forget to click the 'Save' button in the top right corner.
Voila! You've now successfully removed unwanted items from your Nucleus navigation menu.