Liverpool and Manchester United administrators Jurgen Klopp and Erik ten Hag have termed for an conclusion to “tragedy chanting” in a joint assertion.
The two sides satisfy at Anfield on Sunday and Ten Hag called their rivalry “just one of the finest in world football”.
It has at times been marred by rival supporters chanting about the Munich air disaster and the Heysel and Hillsborough tragedies.
But Liverpool manager Klopp informed followers to “retain the enthusiasm and eliminate the poison”.
10 Hag added: “It is unacceptable to use the decline of everyday living – in relation to any tragedy – to score points, and it is time for it to cease.”
Manchester United and Leeds United “strongly condemned” chants about historic tragedies when they met at Elland Street final month.
At the time, the Premier League said it is “managing the problem of tragedy chanting as a precedence and as a issue of urgency”.
Ahead of this weekend’s game at Liverpool, 10 Hag added: “We all love the passion of the followers when our groups meet, but there are traces that should not be crossed.
“Individuals responsible tarnish not only the standing of our golf equipment but also, importantly, the name of themselves, the lovers, and our terrific towns.”
The Munich air catastrophe took position in February 1958, when a constitution airplane crashed, declaring the lives of 23 individuals, like 8 Manchester United gamers and a few officers.
In 1985, 39 fans died after becoming crushed in opposition to a wall which collapsed in advance of the European Cup remaining between Liverpool and Juventus at Heysel Stadium in Brussels, although 97 supporters died as a final result of a terrace crush at Liverpool’s FA Cup semi-remaining towards Nottingham Forest at Hillsborough in 1989.
“When the rivalry becomes also intensive it can go to places that are not good for everyone and we do not need this,” Klopp added.
“We do want the sound, we do want the situation to be partisan and we do want the environment to be electric. What we do not want is everything that goes over and above this and this applies particularly to the form of chants that have no put in soccer.
“If we can keep the passion and get rid of the poison, it will be so a great deal far better for every person.”