diff --git a/src/html/components/docs/components/main-header.mdx b/src/html/components/docs/components/main-header.mdx
index d1137def93d..7f7fa87cec9 100644
--- a/src/html/components/docs/components/main-header.mdx
+++ b/src/html/components/docs/components/main-header.mdx
@@ -192,40 +192,10 @@
       </li>
       <li class="nav-item">
         <a class="nav-link fullscreen" href="#">
-          <i class="fullscreen-icon fa-solid fa-expand lte-show"></i>
-          <i class="fullscreen-icon fa-solid  fa-compress"></i>
+          <i class="fullscreen-icon bi bi-fullscreen lte-show"></i>
+          <i class="fullscreen-icon bi bi-fullscreen-exit  fa-compress"></i>
         </a>
       </li>
-      <li class="nav-item dropdown">
-        <button class="btn btn-link nav-link py-2 px-0 px-lg-2 dropdown-toggle d-flex align-items-center" id="bd-theme" type="button" aria-expanded="false" data-bs-toggle="dropdown" data-bs-display="static">
-          <span class="theme-icon-active">
-            <i class="my-1"></i>
-          </span>
-        </button>
-        <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="bd-theme" style="--bs-dropdown-min-width: 8rem;">
-          <li>
-            <button type="button" class="dropdown-item d-flex align-items-center active" data-bs-theme-value="light">
-              <i class="fa-regular fa-sun me-2 opacity-50"></i>
-              Light
-              <i class="fa-solid fa-check ms-auto d-none"></i>
-            </button>
-          </li>
-          <li>
-            <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="dark">
-              <i class="fa-solid fa-moon me-2 opacity-50"></i>
-              Dark
-              <i class="fa-solid fa-check ms-auto d-none"></i>
-            </button>
-          </li>
-          <li>
-            <button type="button" class="dropdown-item d-flex align-items-center" data-bs-theme-value="auto">
-              <i class="fa-solid fa-circle-half-stroke me-2 opacity-50"></i>
-              Auto
-              <i class="fa-solid fa-check ms-auto d-none"></i>
-            </button>
-          </li>
-        </ul>
-      </li>
     </ul>
   </div>
   <!--end::Container-->