link_to_remote -> link_to not working

link_to_remote -> link_to not working

link_to_remote I18n.t(:cancel), :url => {:action => 'disinvite_member', :id => @assignment.id, :membership =>  member.id},
     :html => {:title => I18n.t("student.cancel_invitation_title"), :class => "delete"},
     :confirm => I18n.t("student.cancel_invitation")

changing to

link_to (I18n.t(:cancel),
                 {:action => 'disinvite_member', :id => @assignment.id, :membership =>  member.id},
                 :title => I18n.t("student.cancel_invitation_title"), 
                 :class => "delete",
                 :confirm => I18n.t("student.cancel_invitation"), 
                 :method => :post,
                 :remote => true)