var A = _.extend({name:'A'}, Backbone.Events); var B = _.extend({name:'B'}, Backbone.Events); var whosListeningToMe = function(){console.log(this.name);}; B.listenTo(A, 'whosListeningToMe', whosListeningToMe); A.trigger('whosListeningToMe'); //logs B //tell B to stop listening to specific event on A B.stopListening(A,'whosListeningToMe'); //logs nothing, B is not listening to whosListeningToMe on A A.trigger('whosListeningToMe');