The 26-year-old was close to making a switch to the Camp Nou in the summer window but a move fell through with Nice president Jean-Pierre Rivere blaming the Bluagrana for failing to get the deal over the line.
Barca are expected to come back in for Seri but the Ivory Coast international says he has no intention of leaving Nice mid-season.
“A high-level player doesn’t have a minute to lose with this sort of thing,” he said on Friday.
“It’s over, we have to turn the page and face the important moments to come with my club.
“I will not leave Nice until June. It doesn’t matter what club wants to buy me in the winter.”
Darren Ferguson declared his delight at a 'big win' for Doncaster after they saw off Bradford 2-0.
Doncaster took a major step towards securing their Sky Bet League One survival by beating Bradford 2-0.
Southampton manager Mark Hughes was delighted to see his new side reach the FA Cup semi-finals but also warned that the Premier League remains a concern.
Borussia Dortmund winger Andre Schurrle was delighted with the team's hard-fought 1-0 Bundesliga victory over Hannover 96 on Sunday afternoon.