Tony Popovic has broken his silence on the offensive Sydney derby banner, welcoming the "fantastic" response from Western Sydney Wanderers and Football Federation Australia and emphasising anti-social behaviour must be eradicated.
The Wanderers on Thursday were fined $20,000 over the sign held aloft by active fans depicting Sydney FC manager Graham Arnold engaging in a sex act.
FFA's decision not to dock the A-League club competition points followed the Wanderers' belated yet hardline pledge to ban 14 members of its own active supporter group, the Red and Black Bloc, along with its threat to shut down its entire area indefinitely.
"That's dealt with now, we've really got to move on from it," Popovic said on Friday.
"The FFA has made a stance, the club has made a stance.
"We've got our values at our football club, we've got fantastic fans and I think it's made pretty clear there's no room for anti-social behaviour in football, or in sport, or anywhere in general."
Popovic admitted to being frustrated the incident stole the headlines away from their drought-breaking Sydney derby triumph.
But while he prickled when pressed over the fans' history of indiscretions, he stressed it was vital to stamp out poor behaviour.
"It's important that we stamp that out, that's what we're trying to do," he said.
"But it's not just our club trying to do that.
"In any code of sport, any walk of life in society, that's a challenge we all have.
"That's the challenge presented for us, for the league, and we're doing the very best we can to stamp that out.
"I think there's been a fantastic stance by the club and FFA this week, and we've got to move on from that."
The Wanderers face the Glory in Perth on Saturday night, with a win lifting the sixth-placed Wanderers within one point of Kenny Lowe's side in fifth.
The Wanderers then fly straight to China to face Shanghai SIPG in the AFC Champions League on Tuesday.
Some of the squad will then fly back to Sydney to recover for next weekend's Adelaide United game while others will sit out the Perth trip and travel to China direct from Sydney.