Red Velvet has uploaded a new version of their debut music video, 'Happiness'.

The new upload edits out the controversial portions from the original music video, including several fake newspaper headlines about the atomic bombing of Hiroshima and Nagasaki and a portrayal of the September 11 terrorist attacks on the World Trade Towers.

SM Entertainment claimed that the insensitive portions were an oversight and has since apologized.

For comparison, here's a before-and-after still from the two music videos:

SEE ALSO: Seoul Philharmonic Orchestra reveals dramatic MV for Red Velvet's 'Psycho'