Swr frontman Rome Ramirez accused the rockers of calling police when the two bands shared the stage at a recent radio festival in Tucson.
The authorities raided the group's backstage area and confiscated Sublime's pot stash while they were performing.
But Shinoda insists he and his bandmates didn't snitch.
Appearing on The Jason Ellis Show on SiriusXm satellite radio, the Linkin Park star says, "Apparently, from his (Ramirez) perspective, we called the cops because they were smoking weed.
"First of all, if you were at this venue, there were a shocking number of police officers in the venue. Whatever happened, nobody called Pot-911, 'cause they (police officers) were there; they were standing outside the room. I don't know what happened, I have no idea what happened with who. But I know that I didn't know anybody, I know Chester (Bennington) didn't call anybody."
Shinoda adds, "We took Snoop Dogg out on tour, we took Cypress Hill out on tour. Our second tour ever was with Kottonmouth Kings... Did I put Snoop Dogg in jail? Why would I do that? I don't care. The main thing, from my end, is just that... if somebody did say something to somebody about, like, 'Hey, this is not so cool,' just keep in mind that we all have families and in our dressing room that day, there was, like, two of Chester's kids who are, I think, eight and 10 or 12."