How to remove optifine from tekkit classic?

[Willz0r]

Well, I have a mod called joypad mod which I would adore in classic, but optifine is not compatible with that mod. I have no idea how to remove optifine. If anyone knows how, contact me. PS: My computer is really powerful, so it really doesn't matter if I have optifine or not.

-Willz0r

**UPDATE: Mods, sticky this thread so that next time someone has this issue they can come here.

**UPDATE: FIGURED IT OUT MYSELF: Remove all classes from July 19, 2012

If you get a crash, with a class missing error like

2014-02-16 11:44:12 [SEVERE] A critical error has occurred.
java.lang.IllegalAccessError: tried to access field adz.z from class forge.ForgeHooksClient
	at forge.ForgeHooksClient.bindTexture(ForgeHooksClient.java:184)
	at forge.MinecraftForgeClient.bindTexture(MinecraftForgeClient.java:100)
	at buildcraft.core.TextureLiquidsFX.a(TextureLiquidsFX.java:57)
	at aaw.a(SourceFile:390)
	at net.minecraft.client.Minecraft.k(Minecraft.java:1545)
	at net.minecraft.client.Minecraft.x(Minecraft.java:825)
	at net.minecraft.client.Minecraft.run(Minecraft.java:753)
	at java.lang.Thread.run(Thread.java:724)

with adz, put in adz from optifine and your fine.

Edited February 16, 2014 by Willz0r

[rcmaehl]

Most people don't use joysticks with their minecraft or if they do they have a proper joystick that allows keyboard bindings.