on two island next to the game corner, you need two "tinymushrooms" or one "big mushrooms", which (the tiny mushroom) can be found on the second level of mt. moon from parases. You can also get Paras and Parasect at the Safari zone but chances are slim.
Chat with our AI personalities
RFDHDF
the move deleter is right of the Pokemon gym in fuchsia city.
Use the HM move Strength.
The move deleter's house is next to the fuchsia city Pokemon center.
you cant get that move in that game