Arsenal boss Mikel Arteta expects a major test against Brighton on Saturday.
Arsenal did the double over Brighton last season but Arteta says his players should not focus on the past.
"It's a different season with different momentums and we should not focus on that," said Arteta.
"We have to focus on the performance and then winning the game.
"Brighton have been on a very good run, they are getting the results and they deserve it.
"They have been consistent in the way the play and it will be a competitive game. We are looking forward to it."
Meanwhile, Arteta says the centre-back pairing Gabriel and Ben White are becoming more cohesive after impressing in the north London derby.
"They played really well at the weekend and their understanding and cohesion is getting better," said Arteta.
"We have different partnerships that can work, but they did well at the weekend."
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