Elves and Dwarves-Infravision

Am I missing something or do Elves and Dwarves not have Infravision in ACKS? I noticed it in the player’s companion but it’s also left out of the main rulebook unless I’m missing something? Even in the monster section there is no mention of it.

Elves and dwarves don’t have infravision in ACKS. We couldn’t find a source for it in myth and legend, and it didn’t seem to help gameplay - it mostly created frustration and confusion as to when and what dwarves could see, whether the party’s torch was ruining infravision, and so on.
We replaced infravision with a +1 bonus v. surprise rolls.

I for one dig this. Too much variance in the way a party sense things is a pain.
PC infravision also means you tend to end up spending too much time settling just what it means and how it works – whereas NPC infravision can easily come in just as many variants as seems handy.