From the My Verizon Home page, navigate: Account > Verizon Cloud.
Click the appropriate tab:
Photos & Videos
Select a file(s) then click the Delete icon.
To select all the pictures/videos, click the box next to the total number of files then click OK if prompted.
It may take a moment to process depending on the number of files in the Cloud. Selected when a check mark is present.
Click OK to confirm.
If prompted, click OK.
To permanently delete files and free up storage space: