mod/bootstrap/set/all/bootstrap/accordion.rb in card-1.20.4 vs mod/bootstrap/set/all/bootstrap/accordion.rb in card-1.21.0

@@ -31,10 +31,10 @@
         #{accordion_panel(title, accordion_content, collapse_id)}
       </div>
     HTML
   end
 
-  def accordion_panel title, body, collapse_id, panel_heading_link=false
+  def accordion_panel title, body, collapse_id, _panel_heading_link=false
     if body
       <<-HTML
         <div class="panel-heading" role="tab" id="heading-#{collapse_id}">
           <h4 class="panel-title">
             <a data-toggle="collapse" data-parent="#accordion-#{collapse_id}" \