The Arsenal pair, whose deals at the Emirates expire in the summer, are both yet to sign new contracts with the club and as a result could leave for nothing at the end of the season.
"I always said that the fact we didn't sign an agreement doesn't mean that the player will leave".
Asked if there was any deadline the pair needed to sign contract extensions by, Wenger said: "No, not at the moment".
Arsene Wenger discussed a whole manner of topics during his Arsenal press conference on Thursday, from Alexis Sanchez's mental state to Paul Merson's return to football.
"Wenger is clearly anticipating that Sanchez will be very low when he returns from the worldwide break".
However, Ozil's agent Dr Erkut Sogut said earlier in the week that the Germany global wanted to play in the Premier League for another two to three years and that talks with Arsenal "are going in a positive way". "At the present time there is no deal close for me to announce".
"Sanchez has been trying to leave for the a year ago or so, was unable to get his move on deadline day and now Chile have not qualified for the World Cup".
'It was very physical and mentally I will have to assess the situation'. I want what is best for him wherever he goes.
Arsenal fans already upset at Sanchez failing to commit himself to the club are now even more frustrated following Chile's World Cup exit.
He could not guide his country to World Cup qualification, and Wenger admits he does not know the effect it will have on the player.
'I will have to speak to him, ' he said ahead of the match.
"I will be happy for him wherever he goes".