diff --git a/cps/themes/caliblur/templates/config_edit.html b/cps/themes/caliblur/templates/config_edit.html
index c76c73f34..e141cfab2 100644
--- a/cps/themes/caliblur/templates/config_edit.html
+++ b/cps/themes/caliblur/templates/config_edit.html
@@ -17,7 +17,7 @@
         {{_('Server Configuration')}}
       </button>
     </h2>
-    <div id="collapseone" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapseone" class="accordion-collapse collapse">
       <div class="accordion-body">
         <div class="form-group">
           <label for="config_port">{{_('Server Port')}}</label>
@@ -54,7 +54,7 @@
         {{_('Logfile Configuration')}}
       </button>
     </h2>
-    <div id="collapsetwo" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsetwo" class="accordion-collapse collapse">
       <div class="accordion-body">
         <div class="form-group">
         <label for="config_log_level">{{_('Log Level')}}</label>
@@ -87,7 +87,7 @@
         {{_('Feature Configuration')}}
       </button>
     </h2>
-    <div id="collapsefour" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsefour" class="accordion-collapse collapse">
       <div class="accordion-body">
     <div class="form-group">
       <input type="checkbox" id="config_unicode_filename" name="config_unicode_filename" {% if config.config_unicode_filename %}checked{% endif %}>
@@ -332,7 +332,7 @@
         {{_('External binaries')}}
       </button>
     </h2>
-    <div id="collapsefive" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsefive" class="accordion-collapse collapse">
       <div class="accordion-body">
         <label for="config_binariesdir">{{_('Path to Calibre Binaries')}}</label>
         <div class="input-group mb-3">
@@ -365,7 +365,7 @@
         {{_('Security Settings')}}
       </button>
     </h2>
-    <div id="collapsesix" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsesix" class="accordion-collapse collapse">
       <div class="accordion-body">
             <div class="form-group">
               <input type="checkbox" id="config_ratelimiter" name="config_ratelimiter" {% if config.config_ratelimiter %}checked{% endif %}>
diff --git a/cps/themes/caliblur/templates/config_view_edit.html b/cps/themes/caliblur/templates/config_view_edit.html
index 02e09b1b1..a9ef08cfd 100644
--- a/cps/themes/caliblur/templates/config_view_edit.html
+++ b/cps/themes/caliblur/templates/config_view_edit.html
@@ -16,7 +16,7 @@
         {{_('View Configuration')}}
       </button>
     </h2>
-    <div id="collapsefour" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsefour" class="accordion-collapse collapse">
       <div class="accordion-body">
         <div class="form-group">
           <label for="config_calibre_web_title">{{_('Title')}}</label>
@@ -78,7 +78,7 @@
         {{_('Default Settings for New Users')}}
       </button>
     </h2>
-    <div id="collapsesix" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsesix" class="accordion-collapse collapse">
       <div class="accordion-body">
         <div class="form-group">
           <input type="checkbox" name="admin_role" id="admin_role" {% if conf.role_admin() %}checked{% endif %}>
@@ -143,7 +143,7 @@
         {{_('Default Visibilities for New Users')}}
       </button>
     </h2>
-    <div id="collapseseven" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapseseven" class="accordion-collapse collapse">
       <div class="accordion-body">
         {% for element in sidebar %}
           {% if element['config_show'] %}
diff --git a/cps/themes/standard/templates/config_edit.html b/cps/themes/standard/templates/config_edit.html
index 2c8420c24..7386b09b2 100644
--- a/cps/themes/standard/templates/config_edit.html
+++ b/cps/themes/standard/templates/config_edit.html
@@ -17,7 +17,7 @@
         {{_('Server Configuration')}}
       </button>
     </h2>
-    <div id="collapseone" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapseone" class="accordion-collapse collapse">
       <div class="accordion-body">
         <div class="form-group">
           <label for="config_port">{{_('Server Port')}}</label>
@@ -54,7 +54,7 @@
         {{_('Logfile Configuration')}}
       </button>
     </h2>
-    <div id="collapsetwo" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsetwo" class="accordion-collapse collapse">
       <div class="accordion-body">
         <div class="form-group">
         <label for="config_log_level">{{_('Log Level')}}</label>
@@ -87,7 +87,7 @@
         {{_('Feature Configuration')}}
       </button>
     </h2>
-    <div id="collapsefour" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsefour" class="accordion-collapse collapse">
       <div class="accordion-body">
     <div class="form-group">
       <input type="checkbox" id="config_unicode_filename" name="config_unicode_filename" {% if config.config_unicode_filename %}checked{% endif %}>
@@ -332,7 +332,7 @@
         {{_('External binaries')}}
       </button>
     </h2>
-    <div id="collapsefive" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsefive" class="accordion-collapse collapse">
       <div class="accordion-body">
         <label for="config_binariesdir">{{_('Path to Calibre Binaries')}}</label>
         <div class="input-group mb-3">
@@ -365,7 +365,7 @@
         {{_('Security Settings')}}
       </button>
     </h2>
-    <div id="collapsesix" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsesix" class="accordion-collapse collapse">
       <div class="accordion-body">
             <div class="form-group">
               <input type="checkbox" id="config_ratelimiter" name="config_ratelimiter" {% if config.config_ratelimiter %}checked{% endif %}>
diff --git a/cps/themes/standard/templates/config_view_edit.html b/cps/themes/standard/templates/config_view_edit.html
index f7f03546c..2243dbb0a 100644
--- a/cps/themes/standard/templates/config_view_edit.html
+++ b/cps/themes/standard/templates/config_view_edit.html
@@ -16,7 +16,7 @@
         {{_('View Configuration')}}
       </button>
     </h2>
-    <div id="collapsefour" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsefour" class="accordion-collapse collapse">
       <div class="accordion-body">
         <div class="form-group">
           <label for="config_calibre_web_title">{{_('Title')}}</label>
@@ -78,7 +78,7 @@
         {{_('Default Settings for New Users')}}
       </button>
     </h2>
-    <div id="collapsesix" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapsesix" class="accordion-collapse collapse">
       <div class="accordion-body">
         <div class="form-group">
           <input type="checkbox" name="admin_role" id="admin_role" {% if conf.role_admin() %}checked{% endif %}>
@@ -143,7 +143,7 @@
         {{_('Default Visibilities for New Users')}}
       </button>
     </h2>
-    <div id="collapseseven" class="accordion-collapse collapse" data-bs-parent="#configAccordion">
+    <div id="collapseseven" class="accordion-collapse collapse">
       <div class="accordion-body">
         {% for element in sidebar %}
           {% if element['config_show'] %}