You can delete a custom image if you no longer need it.
- Log on to the ECS console.
- Select a region.
- In the left-side navigation pane, select Images .
- Select the image you want to delete. The image type must be Custom Image. Click Delete.
- In the dialog box, click OK.
The custom images has been removed.
Yes, you can Force Delete the image. However, you cannot Reinitialize a cloud disk the instance after the custom image is deleted. You will also be prompted about the warning.