Delete Navigation:  Ewons > Properties >

On the top of the Ewon Properties page, the following menu is displayed:

 

▪Click on the Delete button to delete this Ewon out of your Talk2M account.
A popup will ask you to confirm the suppression of this Ewon.

 

Note: If you only want to block temporarily the access to this Ewon, and you'll need to reactivate it later, then use the Disable Ewon feature instead.