To delete the current banner

1. Go to the Magento Admin panel.
2. On the left navigation bar, click the AFFILIATE SYSTEM menu.
   The menu appears as shown in the following figure:
   
3. Click Manage Banners.
   The Manage Banner page as shown in the following figure:
   
4. Scroll down to the banner, which is no more required.
5. In the Action column, click the Edit link associated with the required banner.
   The page appears as shown in the following figure:
   
6. Click the Delete button.
   A confirmation dialog box appears
7. Click the OK button.

To delete the selected banners in bulk

1. Go to the Magento Admin panel.
2. On the left navigation bar, click the AFFILIATE SYSTEM menu.
   The menu appears as shown in the following figure:
   
3. Click Manage Banners.
   The Manage Banner page as shown in the following figure:
   
4. Select the check boxes associated with the banners those are no more required.
5. In the Actions list, click the Delete option.
   A confirmation dialog box appears.
6. Click the OK button.
   The selected banners are deleted.