diff --git a/projects/core/src/internal/controllers/type-native-popover.controller.test.ts b/projects/core/src/internal/controllers/type-native-popover.controller.test.ts
index cd9f83f7a..ed1049f77 100644
--- a/projects/core/src/internal/controllers/type-native-popover.controller.test.ts
+++ b/projects/core/src/internal/controllers/type-native-popover.controller.test.ts
@@ -811,6 +811,48 @@ describe('type-popover.controller - interest invoker support', () => {
     await new Promise(r => setTimeout(r, 60));
     expect(element.matches(':popover-open')).toBe(false);
   });
+
+  it('should cancel delayed show when the popover closes before delay completes', async () => {
+    element.openDelay = 50;
+    await elementIsStable(element);
+
+    const open = untilEvent(element, 'open');
+    element.showPopover();
+    expect(await open).toBeDefined();
+
+    const interestEvent = new Event('interest', { cancelable: true }) as Event & { source: HTMLElement };
+    interestEvent.source = button;
+    element.dispatchEvent(interestEvent);
+    await elementIsStable(element);
+
+    const close = untilEvent(element, 'close');
+    element.hidePopover();
+    expect(await close).toBeDefined();
+
+    await new Promise(r => setTimeout(r, 60));
+    expect(element.matches(':popover-open')).toBe(false);
+  });
+
+  it('should cancel delayed show when the popover receives hide-popover before delay completes', async () => {
+    element.openDelay = 50;
+    await elementIsStable(element);
+
+    const open = untilEvent(element, 'open');
+    element.showPopover();
+    expect(await open).toBeDefined();
+
+    const interestEvent = new Event('interest', { cancelable: true }) as Event & { source: HTMLElement };
+    interestEvent.source = button;
+    element.dispatchEvent(interestEvent);
+    await elementIsStable(element);
+
+    const close = untilEvent(element, 'close');
+    element.dispatchEvent(new CommandEvent('command', { command: 'hide-popover', source: button }));
+    expect(await close).toBeDefined();
+
+    await new Promise(r => setTimeout(r, 60));
+    expect(element.matches(':popover-open')).toBe(false);
+  });
 });
 
 describe('type-popover.controller - showPopover source fallback', () => {
diff --git a/projects/core/src/internal/controllers/type-native-popover.controller.ts b/projects/core/src/internal/controllers/type-native-popover.controller.ts
index b6458fc54..92790b273 100644
--- a/projects/core/src/internal/controllers/type-native-popover.controller.ts
+++ b/projects/core/src/internal/controllers/type-native-popover.controller.ts
@@ -96,6 +96,10 @@ export class TypeNativePopoverController<T extends NativePopover> implements Rea
         setTimeout(() => this.host.hidePopover(), this.host.closeTimeout);
       }
 
+      if (e.newState === 'closed') {
+        this.#clearInterestTimeout();
+      }
+
       this.host.inert = this.host.matches(':not(:popover-open)');
 
       if (this.host.modal) {
@@ -119,6 +123,7 @@ export class TypeNativePopoverController<T extends NativePopover> implements Rea
 
       if (e.command === 'hide-popover') {
         this.host.hidePopover();
+        this.#clearInterestTimeout();
       }
 
       if (e.command === 'show-popover') {
@@ -167,7 +172,10 @@ export class TypeNativePopoverController<T extends NativePopover> implements Rea
 
   hostDisconnected() {
     this.#observers.forEach(observer => observer.disconnect());
+    this.#clearInterestTimeout();
+  }
 
+  #clearInterestTimeout() {
     if (this.#interestTimeout) {
       clearTimeout(this.#interestTimeout);
       this.#interestTimeout = null;