Celtic manager Brendan Rodgers says there is currently nothing imminent regarding incoming transfers.
The Parkhead boss provided an update after his side defeated Cork City by two goals to one in a friendly on Tuesday evening.
Luke McCowan put the Celts ahead in the first half before Matthew Murray drew the hosts level. Colby Donovan then won it late on.
Rodgers provided a transfer update post-match: "There is a lot of work going on in the background and things that are what we're hoping to achieve over the coming weeks," he said [RecordSport].
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"We definitely need that there, especially at the top end of the pitch. But no, a lot of work is going on, but I can't confirm that there's anything there at this moment.
"Those international boys, they've now got the run-in, so it will be their first action at the weekend."
Striker Adam Idah didn't get a run out in his hometown, with several of Celtic's first teamers still finding their way back to full fitness.
"Obviously, emotionally, it would have been lovely, and I'd have loved to have played Adam here," said Rodgers.
"But the international guys only came back on Friday, so he trained hard this morning.
"It's just too big a risk, come back in after being off for the summer and you only train Friday, Saturday, we normally would give them at least a week before they would play.
"Adam knows. I think for him it's just amazing for him to be back home, to come back, when I told him last year we wouldn't be coming to Cork he was really excited about it.
"He understood why he wasn't, but I know he's loved being back here for this short time."