How much HDD space does mining usually take?

I just noticed that in appdata i have a folder named Ethash taking 6gb and a folder named Ethereum taking 28Gb

Is this normal? I use a 250gb SDD so space is kind of limited.

I also swapped from alpereum and qtminer to nanopool and claymore so i don't know if some of this is dead weight now

I use Mist for my wallet