Double announcements

I did not see my property on booking and that i have to wait 20 days to get a code for address verification, send at my mail address, not email....

next day, i become an email saying my property announcement is not finish, i do Itnagain and at the end i have two parallel announcement that i do not want.

how can I delete one, the help way told me to go to property and push delete, that was not to find...

thank you for your help