The 26-year-old England international is out of contract at the end of the 2015-16 season and speculation has already begun over his future.
Walcott in January 2013 signed a three-and-a-half-year deal, six months prior to the end of his existing agreement, ending talk of a departure from the Emirates Stadium on a free transfer.
He admits talks are still to begin on a new contract, but, after nine months out with a knee injury, his focus is on performing for the Gunners as they bid to secure a place in the top four of the Barclays Premier League.
Walcott wrote on Twitter: "I don't normally comment on false stories about myself but reports about contract demands & bust-ups with the boss are complete nonsense...
"There have been no contract talks as yet and my current focus is not on contracts but on doing my best for Arsenal FC."
Source : PA
Source: PA