diff --git a/src/components/details/details.component.ts b/src/components/details/details.component.ts
index b7eab446..d8b83a43 100644
--- a/src/components/details/details.component.ts
+++ b/src/components/details/details.component.ts
@@ -87,6 +87,7 @@ export default class SlDetails extends ShoelaceElement {
   }
 
   disconnectedCallback() {
+    super.disconnectedCallback();
     this.detailsObserver.disconnect();
   }
 
diff --git a/src/components/mutation-observer/mutation-observer.component.ts b/src/components/mutation-observer/mutation-observer.component.ts
index 61b05ce4..85ed39e7 100644
--- a/src/components/mutation-observer/mutation-observer.component.ts
+++ b/src/components/mutation-observer/mutation-observer.component.ts
@@ -52,6 +52,7 @@ export default class SlMutationObserver extends ShoelaceElement {
   }
 
   disconnectedCallback() {
+    super.disconnectedCallback();
     this.stopObserver();
   }
 
diff --git a/src/components/popup/popup.component.ts b/src/components/popup/popup.component.ts
index 3ab4c0d1..f04f0be4 100644
--- a/src/components/popup/popup.component.ts
+++ b/src/components/popup/popup.component.ts
@@ -198,6 +198,7 @@ export default class SlPopup extends ShoelaceElement {
   }
 
   disconnectedCallback() {
+    super.disconnectedCallback();
     this.stop();
   }
 
diff --git a/src/components/tab-group/tab-group.component.ts b/src/components/tab-group/tab-group.component.ts
index f1753807..27ecf18a 100644
--- a/src/components/tab-group/tab-group.component.ts
+++ b/src/components/tab-group/tab-group.component.ts
@@ -117,6 +117,7 @@ export default class SlTabGroup extends ShoelaceElement {
   }
 
   disconnectedCallback() {
+    super.disconnectedCallback();
     this.mutationObserver.disconnect();
     this.resizeObserver.unobserve(this.nav);
   }