var A = _.extend({name:'A'}, Backbone.Events); var B = _.extend({name:'B'}, Backbone.Events); var whosListeningToMe = function(){console.log(this.name);}; var whosListeningToMeAgain = function(){console.log(this.name);}; B.listenTo(A, 'whosListeningToMe', whosListeningToMe); B.listenTo(A, 'whosListeningToMe', whosListeningToMeAgain); A.trigger('whosListeningToMe'); //logs B and B //tell B to stop listening to specific event and callback on A B.stopListening(A,'whosListeningToMe',whosListeningToMeAgain); A.trigger('whosListeningToMe'); //logs B