Unless you are using old eggplant that have been stored for too long, no, you do not need to salt the eggplant. I realize this may be a controversial standpoint, since so many people swear by salting eggplants to remove its bitterness. The reality is that, over the years, farmers have bred out much of eggplants’ signature bitterness, rendering salting unnecessary. Having said this, click here for great information about salting eggplants.