diff --git a/app/assets/javascripts/discourse/app/components/sidebar/section.js b/app/assets/javascripts/discourse/app/components/sidebar/section.js
index 41c6c36b925..79eda4f28aa 100644
--- a/app/assets/javascripts/discourse/app/components/sidebar/section.js
+++ b/app/assets/javascripts/discourse/app/components/sidebar/section.js
@@ -16,6 +16,12 @@ export default class SidebarSection extends GlimmerComponent {
         : false;
   }
 
+  willDestroy() {
+    if (this.args.willDestroy) {
+      this.args.willDestroy();
+    }
+  }
+
   @action
   toggleSectionDisplay() {
     this.displaySection = !this.displaySection;
diff --git a/app/assets/javascripts/discourse/app/templates/components/sidebar.hbs b/app/assets/javascripts/discourse/app/templates/components/sidebar.hbs
index ad291073bd7..12058f9218c 100644
--- a/app/assets/javascripts/discourse/app/templates/components/sidebar.hbs
+++ b/app/assets/javascripts/discourse/app/templates/components/sidebar.hbs
@@ -18,7 +18,8 @@
         @headerLinkText={{customSection.text}}
         @headerLinkTitle={{customSection.title}}
         @headerActionsIcon={{customSection.actionsIcon}}
-        @headerActions={{customSection.actions}}>
+        @headerActions={{customSection.actions}}
+        @willDestroy={{customSection.willDestroy}}>
 
         {{#each customSection.links as |link|}}
           <Sidebar::SectionLink