User blog comment:Miskos3/Fairy Tail Chapter 334: Sin and Sacrifice, Review/@comment-60.53.97.0-20130607161732/@comment-60.53.97.0-20130609020650

Toriyama actually intended to remove both Goku and Vegeta so that they could be replaced with Gohan, Goten and Trunks but like what Tristan said, everyone disagreed so he ended up inserting Goku and Vegeta back into the story.