In Pokemon Platinum How Do You Forget An HM Move?

There is a house in the canalave city where move deleter live in, go in that house and you can ask him to delete the hm move your pokemon learn.

You  go  to  Canalave  City  and  go  into  the  house  under  the  pokemon  center  and  he'll  say  Um... 
Who  did  you  say  I  was  again?  ....  .....    Oh yes I remember now ! I am the move deleter.

Go to Canale city go to the house under the pokemon center and talk to the man and he will delete any move

I'm not sure but it might be in canalcave city or another city

I think that you go to the house in canalave city right below the pokemon center.

Go to Canale city and go to the house under the pokemon centre and talk to the person in the house and he will forget any HM or TM

Go to canalave city and talk to the old man in the house above the poke mart

Put the pokemon in the day care for a few weeks

Go to canavale city ang go under the pokemon center and then go in the House and ask the guy to Delta it

Go to canalave city and there will be a house with a sign on the left side

In canalave city the house directly below the poke mart.

Move deleter in canalave city is the only way the little blue house

Go to Canalave City enter the 2nd house on the right side of the bridge.There should be a man sitting on a chair.Talk to him and he asks you what move you want to delete.

You go to the Move Deleter's house and ask him.

I don't know but go to canalave city and go to the house before the pokemon center and he will delete those moves 4 you

You go to the city called canalave and under the pokemon center the HM  and TM deleter and that is where you go to get your moves deleted.

You go to the move deleter in canalave. HE CAN DO IT!

In canalave is a move deleter

Canalave City.. The house directly ABOVE the poke mart.

Canalave City

Move deleter at canalave city

Canalave city below poke-mart delete hm

Theres a dude in canalave city he's in the one of the houses on the right side of the bridge down past the poke mart that can delete moves.

I don't know, BUT There is a way to do it without the action replay you go to the place (with the boat that you can take to iron island) in 1 of the houses at that town there is the move deleter just talk to him

Lol-q

Obviously with the move deleter.

Go to the move deleter in canalave.

Its

9206e950    00002001
1206e950    00002000
d2000000    00000000

your welcome and those guys are no help because who wants to keep going back and forth to canlave city

Can't if you already used them