Khan has his first domestic fight in two years when he meets Julio Diaz at the Sheffield Motorpoint Arena on April 27.
Undefeated Brook is due to challenge Devon Alexander for the IBF welterweight title in May after January and February dates had to be postponed.
But despite the immediate plans for each of the two, who have traded barbs on more than one occasion, Khan could not resist getting in a passive-aggressive jab while in camp for the Diaz fight.
"Wherever we fight in the UK, we will go to Brook's home town and we will sell out, that's a fact,” said Khan.”Brook should not be focusing on my fight.
"I'm not thinking about a fight with him - he's got a fight with Devon Alexander. He has to be focused on his thing. But it will show I have more fans than him in his home city.
"That's a laugh in his face. I have nothing against Kell Brook. I don't care about him or think about him. He has to prove himself. At the moment he's not on my radar or anything.
Despite the two having fights to get through first – and Khan being determined to avenge defeats to Lamont Peterson and Danny Garcia after the 143lb catchweight bout with Diaz – there is a lot of interest in an all-British welterweight showdown in the future.
And Khan refused to rule out confronting ‘Special K’ in the ring, but admitted it’d probably be no earlier than next year as return bouts with Peterson or Garcia would be at 140lbs.
The 26-year-old explained: "If I move up to 147 then definitely I would fight him, but it's six to nine months before I do move up.
“When I do, I'm not someone who says no and I would take that fight.
"I still want to fight at 140 and win titles at that weight and then move up to 147 as a world champion," Khan added.
"There are still two fights out there are 140 against Peterson and Garcia - they are fights I want and that are there for me, so I don't see why I should move up."