Barcelona No2 Jordi Roura says they must not dwell on their Copa shocker against Real Madrid.
The two clubs meet again on Saturday.
"We have to forget about this match and focus on future objectives," Roura said. "What we have to try to do is not let our guard down in the Liga and win it as soon as possible. We have an important match against Milan coming up and we'll approach it with high expectations. I think these challenges are important and we'll fight until the end for both titles."