how do i delete

Hi there Macintosh4579,

You may find the information in the article below helpful.

iTunes: Syncing photos

http://support.apple.com/kb/HT4236

To delete Camera Roll photos and videos from your device

There are two methods to delete items from the Camera Roll:

• Import the Camera Roll to your computer and choose to delete items after import.
• Delete photos and videos from your device manually:
1. Open the Photos application and open the Camera Roll.
2. Tap the Action button.
3. Tap each photo to select it.
4. Tap the Delete button.Note: For photos and videos you want to save, import them to your computer before deleting them from the Camera Roll.

-Griff W.

Restore it on a Mac computer.