diff --git a/src/tedi/components/buttons/button-content/button-content.spec.tsx b/src/tedi/components/buttons/button-content/button-content.spec.tsx
index f6eb0b73e..d6fb91d92 100644
--- a/src/tedi/components/buttons/button-content/button-content.spec.tsx
+++ b/src/tedi/components/buttons/button-content/button-content.spec.tsx
@@ -50,11 +50,17 @@ describe('ButtonContent component', () => {
     expect(button).toHaveClass('tedi-btn--underline');
   });
 
-  it('renders in loading state with spinner', () => {
+  it('renders in loading state with a decorative spinner and conveys loading via aria-busy', () => {
     render(<ButtonContent {...defaultProps} isLoading />);
-    const spinner = screen.getByRole('status');
+
+    const button = screen.getByRole('button');
+    expect(button).toHaveAttribute('aria-busy', 'true');
+    const spinner = screen.getByTestId('tedi-spinner');
     expect(spinner).toBeInTheDocument();
     expect(spinner).toHaveClass('tedi-btn__spinner');
+    expect(spinner).toHaveAttribute('aria-hidden', 'true');
+    expect(screen.queryByRole('status')).not.toBeInTheDocument();
+    expect(button).toHaveAccessibleName('Click Me');
   });
 
   it('renders with full width when fullWidth is true', () => {
@@ -112,4 +118,20 @@ describe('ButtonContent component', () => {
     fireEvent.mouseEnter(button);
     expect(document.querySelector('.tedi-overlay__content')).not.toBeInTheDocument();
   });
+
+  it('renders the icon-only tooltip as visual-only so the name is not duplicated', async () => {
+    render(
+      <ButtonContent icon="delete" showTooltip>
+        Delete
+      </ButtonContent>
+    );
+    const button = screen.getByRole('button');
+    // Name comes from the visually-hidden label — announced once.
+    expect(button).toHaveAccessibleName('Delete');
+
+    fireEvent.mouseEnter(button);
+    const content = await screen.findByTestId('overlay-content');
+    expect(content).toHaveAttribute('aria-hidden', 'true');
+    expect(button).not.toHaveAttribute('aria-describedby');
+  });
 });
diff --git a/src/tedi/components/buttons/button-content/button-content.tsx b/src/tedi/components/buttons/button-content/button-content.tsx
index 15ffc5b99..e4787e82d 100644
--- a/src/tedi/components/buttons/button-content/button-content.tsx
+++ b/src/tedi/components/buttons/button-content/button-content.tsx
@@ -157,7 +157,7 @@ const InternalButtonContent = forwardRef(
           ? { ...defaultIconProps, name: icon }
           : { ...defaultIconProps, ...icon, className: cn(defaultIconProps.className, icon?.className) };
 
-      return isLoading ? <Spinner className={iconProps.className} size={18} /> : <Icon {...iconProps} />;
+      return isLoading ? <Spinner className={iconProps.className} size={18} decorative /> : <Icon {...iconProps} />;
     };
 
     const renderContent = (): JSX.Element => {
@@ -166,6 +166,7 @@ const InternalButtonContent = forwardRef(
           position={!hasIcon ? 'absolute' : undefined}
           className={cn(styles['tedi-btn__spinner'], styles['tedi-btn__spinner--left'])}
           size={18}
+          decorative
         />
       ) : iconLeft ? (
         getIcon('left', iconLeft)
@@ -216,7 +217,7 @@ const InternalButtonContent = forwardRef(
     return (
       <Print visibility="hide">
         {showTooltip && isIconOnly && buttonText ? (
-          <Tooltip>
+          <Tooltip ariaHidden>
             <Tooltip.Trigger>{buttonElement}</Tooltip.Trigger>
             <Tooltip.Content>{buttonText}</Tooltip.Content>
           </Tooltip>
diff --git a/src/tedi/components/loaders/spinner/spinner.spec.tsx b/src/tedi/components/loaders/spinner/spinner.spec.tsx
index 859bcd08d..10c5d7c75 100644
--- a/src/tedi/components/loaders/spinner/spinner.spec.tsx
+++ b/src/tedi/components/loaders/spinner/spinner.spec.tsx
@@ -61,6 +61,16 @@ describe('Spinner component with breakpoint support', () => {
     expect(hiddenText).toHaveClass('sr-only');
   });
 
+  it('renders as purely decorative when decorative is set (no status role or label)', () => {
+    const { container, queryByRole, queryByText } = render(<Spinner decorative label="Loading..." />);
+    const spinner = container.querySelector('.tedi-spinner');
+
+    expect(spinner).toHaveAttribute('aria-hidden', 'true');
+    expect(spinner).not.toHaveAttribute('aria-live');
+    expect(queryByRole('status')).not.toBeInTheDocument();
+    expect(queryByText('Loading...')).not.toBeInTheDocument();
+  });
+
   it('uses different size and color based on breakpoint props', () => {
     (useBreakpointProps as jest.Mock).mockReturnValue({
       getCurrentBreakpointProps: jest.fn(() => ({
diff --git a/src/tedi/components/loaders/spinner/spinner.tsx b/src/tedi/components/loaders/spinner/spinner.tsx
index c3f5f1c3e..995267004 100644
--- a/src/tedi/components/loaders/spinner/spinner.tsx
+++ b/src/tedi/components/loaders/spinner/spinner.tsx
@@ -40,6 +40,13 @@ export interface SpinnerProps extends BreakpointSupport<SpinnerBreakpointProps>
    * Provides a text label for screen readers to announce the spinner's purpose or status.
    */
   label?: string;
+  /**
+   * Renders the spinner as purely decorative — no `role="status"` live region and
+   * no screen-reader label. Use when the loading state is already announced by an
+   * ancestor (e.g. a button's `aria-busy`), so it isn't announced twice.
+   * @default false
+   */
+  decorative?: boolean;
 }
 
 export const Spinner = (props: SpinnerProps): JSX.Element => {
@@ -52,6 +59,7 @@ export const Spinner = (props: SpinnerProps): JSX.Element => {
     color = 'primary',
     label = getLabel('spinner.loading'),
     position,
+    decorative = false,
   } = getCurrentBreakpointProps<SpinnerProps>(props);
 
   const spinnerBEM = cn(
@@ -63,11 +71,17 @@ export const Spinner = (props: SpinnerProps): JSX.Element => {
   );
 
   return (
-    <span className={spinnerBEM} role="status" aria-live="polite" data-testid="tedi-spinner">
+    <span
+      className={spinnerBEM}
+      role={decorative ? undefined : 'status'}
+      aria-live={decorative ? undefined : 'polite'}
+      aria-hidden={decorative || undefined}
+      data-testid="tedi-spinner"
+    >
       <svg viewBox="22 22 44 44" aria-hidden="true">
         <circle className={styles['tedi-spinner__inner']} cx="44" cy="44" r="20" fill="none"></circle>
       </svg>
-      <span className="sr-only">{label}</span>
+      {!decorative && <span className="sr-only">{label}</span>}
     </span>
   );
 };
diff --git a/src/tedi/components/overlays/overlay/overlay-content.tsx b/src/tedi/components/overlays/overlay/overlay-content.tsx
index 397c0fdef..a4784dd61 100644
--- a/src/tedi/components/overlays/overlay/overlay-content.tsx
+++ b/src/tedi/components/overlays/overlay/overlay-content.tsx
@@ -63,6 +63,7 @@ export const OverlayContent = (props: OverlayContentProps) => {
     scrollLock,
     contentId,
     role,
+    ariaHidden,
   } = useContext(OverlayContext);
 
   useEffect(() => {
@@ -89,6 +90,7 @@ export const OverlayContent = (props: OverlayContentProps) => {
         ref: floating,
         tabIndex: -1,
         id: contentId,
+        'aria-hidden': ariaHidden || undefined,
         'aria-labelledby': labelledBy,
         'aria-describedby': describedBy,
         style: {
diff --git a/src/tedi/components/overlays/overlay/overlay-trigger.tsx b/src/tedi/components/overlays/overlay/overlay-trigger.tsx
index 936305cba..4325381e4 100644
--- a/src/tedi/components/overlays/overlay/overlay-trigger.tsx
+++ b/src/tedi/components/overlays/overlay/overlay-trigger.tsx
@@ -21,11 +21,11 @@ export interface OverlayTriggerProps {
 export const OverlayTrigger = (props: OverlayTriggerProps) => {
   const { children, className } = props;
   const { getLabel } = useLabels();
-  const { getReferenceProps, reference, openWith, open, role, contentId } = useContext(OverlayContext);
+  const { getReferenceProps, reference, openWith, open, role, ariaHidden, contentId } = useContext(OverlayContext);
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const refs = useMergeRefs([reference, (children as React.ComponentPropsWithRef<any>).ref]);
   const extraProps =
-    role === 'tooltip'
+    role === 'tooltip' && !ariaHidden
       ? {
           'aria-describedby': open ? contentId : undefined,
         }
diff --git a/src/tedi/components/overlays/overlay/overlay.tsx b/src/tedi/components/overlays/overlay/overlay.tsx
index dea295d26..304ab1bae 100644
--- a/src/tedi/components/overlays/overlay/overlay.tsx
+++ b/src/tedi/components/overlays/overlay/overlay.tsx
@@ -74,6 +74,15 @@ export interface OverlayProps {
    * @default tooltip
    */
   role?: UseRoleProps['role'];
+  /**
+   * Renders the overlay purely visually: no `useRole` aria wiring on the trigger
+   * (so no `aria-describedby`) and the content is `aria-hidden`. Use when the
+   * trigger already conveys the same text through its accessible name — e.g. an
+   * icon-only button whose visible tooltip merely mirrors its label — so screen
+   * readers don't announce it twice.
+   * @default false
+   */
+  ariaHidden?: boolean;
   /**
    * Content overlay arrow dimensions.
    */
@@ -137,6 +146,7 @@ export interface OverlayContextType {
   context: FloatingContext<ReferenceType>;
   scrollLock?: boolean;
   role?: UseRoleProps['role'];
+  ariaHidden?: boolean;
   contentId: string;
 }
 
@@ -178,6 +188,7 @@ export const Overlay = (props: OverlayProps) => {
     open: externalOpen,
     onToggle,
     role = 'tooltip',
+    ariaHidden = false,
     arrowDimensions,
     offset: offsetOptions = GAP + (arrowDimensions?.height ?? 0),
     arrowPadding = 4,
@@ -239,7 +250,7 @@ export const Overlay = (props: OverlayProps) => {
     useFocus(context, {
       enabled: openWith === 'hover',
     }),
-    useRole(context, { role }),
+    useRole(context, { role, enabled: !ariaHidden }),
     useDismiss(context, {
       enabled: dismissible,
       outsidePressEvent: openWith === 'click' ? 'mousedown' : 'pointerdown',
@@ -278,6 +289,7 @@ export const Overlay = (props: OverlayProps) => {
       placement,
       scrollLock,
       role,
+      ariaHidden,
       contentId,
     }),
     [
@@ -301,6 +313,7 @@ export const Overlay = (props: OverlayProps) => {
       placement,
       scrollLock,
       role,
+      ariaHidden,
       contentId,
       modal,
       order,
diff --git a/src/tedi/components/overlays/tooltip/tooltip.spec.tsx b/src/tedi/components/overlays/tooltip/tooltip.spec.tsx
index 364df5bd0..1d6277905 100644
--- a/src/tedi/components/overlays/tooltip/tooltip.spec.tsx
+++ b/src/tedi/components/overlays/tooltip/tooltip.spec.tsx
@@ -83,4 +83,26 @@ describe('Tooltip component', () => {
     const button = screen.getByTestId('test-button');
     expect(button).toHaveAttribute('aria-label', 'test button');
   });
+
+  it('wires aria-describedby to the trigger when open (default)', () => {
+    renderTooltip({ children: 'Trigger content' }, { children: 'Tooltip content' });
+
+    const trigger = screen.getByText('Trigger content');
+    fireEvent.mouseEnter(trigger);
+
+    expect(screen.getByText('Tooltip content')).toBeInTheDocument();
+    expect(trigger).toHaveAttribute('aria-describedby');
+  });
+
+  it('is visual-only when ariaHidden: no aria-describedby on the trigger, content is aria-hidden', () => {
+    renderTooltip({ children: 'Trigger content' }, { children: 'Tooltip content' }, { ariaHidden: true });
+
+    const trigger = screen.getByText('Trigger content');
+    fireEvent.mouseEnter(trigger);
+
+    const content = screen.getByText('Tooltip content');
+    expect(content).toBeInTheDocument();
+    expect(trigger).not.toHaveAttribute('aria-describedby');
+    expect(content.closest('[data-testid="overlay-content"]')).toHaveAttribute('aria-hidden', 'true');
+  });
 });