tag_list_with_remove_link.html.erb

<ul class="filter-list">
  <%- params[:filters].each do |this_filter| -%>
    <%- parameters_minus_this = {:page => params[:page], :filters => (params[:filters] - this_filter)} -%>
    <li><%= this_filter -%><%= link_to "[x]", parameters_minus_this -%></li>
  <%-end-%>
</ul>