Uh, start a new game and save at the beginning.
Chat with our AI personalities
Just stop going on.
Go to the move deleter in Canalave City
look at the wonder cards in the mystery gift menu. select the card and go on "delete"
yes, you will. Belive me i tried it!
go to your TM pocket,choose a TM,choose a Pokemon that has able under its name,then if it has 4 moves delete one.