Safe To Ignore Undeleted Nav Meshes in Dawnguard.Esm?

[Aeradom]

Question says it all. I went through it twice, but noticed it still had that warning. Since it wasn't mentioned, I assumed it was fine but wanted to double check. 

[Aeradom]

Nevermind, figured it out after saw that Hearthfire had them as well and did some googling. Guess it's unimportant.