Barcelona coach Ronald Koeman spoke to the press from Turin on Tuesday ahead of the Champions League game against Juventus.
Barca are looking to make it two wins from two in European competition after last week's comfortable 5-1 win over Ferencvaros.
The game comes just after the Clasico against Real Madrid, which Barça lost 3-1 and ended with Koeman lambasting VAR after Madrid were awarded a penalty.
Koeman's comments could see him banned, according to some reports, but he has no regrets about what he said.
"I said what I said after the game the other day," he said. "And I don't regret anything I said. It's not in my hands (a possible ban) but I don't want to repeat [what I said]. I don't want to speak about this issue anymore. Tomorrow's game is the important thing now, playing well and getting the result."
Barça have asked for the audio of a conversation between the Clasico referee Martinez Munuera and his assistant and the VAR to see if there are any regularities.
SPORT reported yesterday that Munuera's assistant had told him it couldn't be a penalty because Sergio Ramos had fouled Clement Lenglet first.
Barça have asked for the Spanish Football Federation (RFEF) to clarify the criteria of VAR because they believe it's constantly benefitting their "direct rivals."