To delete a particular ad, you will need to:

1. Click the "Campaigns" tab.
2. Choose a campaign.
3. Choose an ad group.
4. Once you are on the Ad Group Details page, you will need to choose the “Ads” tab.
5. You will see a list of all the ads in the particular Ad Group that you have chosen.
6. Check the box next to the ad you would like to delete.
7. Then select “Delete.”
8. You will then be given the option to delete that ad.
9. Select “Yes” to delete the ad that you have chosen.