diff --git a/rest_framework/templates/rest_framework/base.html b/rest_framework/templates/rest_framework/base.html
index e4a5a2945..dc8e19872 100644
--- a/rest_framework/templates/rest_framework/base.html
+++ b/rest_framework/templates/rest_framework/base.html
@@ -82,8 +82,8 @@
                 {% if api_settings.URL_FORMAT_OVERRIDE %}
                   <div class="btn-group">
                     <button class="btn btn-primary" data-bs-toggle="tooltip" href="{{ request.get_full_path }}" rel="nofollow" title="Make a GET request on the {{ name }} resource">GET</button>
-                    <button class="btn btn-primary dropdown-toggle dropdown-toggle-split" data-bs-toggle="dropdown" data-bs-toggle-second="tooltip" title="Specify a format for the GET request">
-                      <span class="sr-only">Toggle Dropdown</span>
+                    <button class="btn btn-primary dropdown-toggle dropdown-toggle-split" data-bs-toggle="dropdown">
+                      <span class="sr-only" data-bs-toggle="tooltip" title="Specify a format for the GET request">Toggle Dropdown</span>
                     </button>
                     <ul class="dropdown-menu">
                       {% for format in available_formats %}
@@ -304,7 +304,7 @@
       </script>
       <! -- enable tooltips -->
       <script type="text/javascript">
-        var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"], [data-bs-toggle-second="tooltip"]'))
+        var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'))
         var tooltipList = tooltipTriggerList.map(function (tooltipTriggerEl) {
          return new bootstrap.Tooltip(tooltipTriggerEl)
         })