Deleting Instagram photos are very simple. You don't need to do something hard.
- Open your Instagram app.
- Log into your account.
- Open the profile tab in the right corner at bottom.
- Now choose the picture you want to delete.
- Tap the three bars on the picture at the right corner at top.
- Tap on delete option. your photo has been permanently deleted.
Before deleting the photo, remember that it's permanently deleted. You can not get it back.