diff --git a/libs/doc-pages/accordion/src/lib/demos/custom-html/custom-html.html b/libs/doc-pages/accordion/src/lib/demos/custom-html/custom-html.html
index 281f0598c7..7356a6038b 100644
--- a/libs/doc-pages/accordion/src/lib/demos/custom-html/custom-html.html
+++ b/libs/doc-pages/accordion/src/lib/demos/custom-html/custom-html.html
@@ -1,7 +1,7 @@
 <accordion>
   <accordion-group>
     <button
-      class="btn btn-link btn-block justify-content-between d-flex w-100  shadow-none"
+      class="btn btn-link btn-block justify-content-between d-flex w-100"
       accordion-heading type="button">
       <div class="pull-left float-left">I can have markup!</div>
       <span class="badge badge-secondary bg-secondary float-right pull-right">Some HTML here</span>