diff --git a/modules/@shopify/checkout-sheet-kit/src/components/AcceleratedCheckoutButtons.tsx b/modules/@shopify/checkout-sheet-kit/src/components/AcceleratedCheckoutButtons.tsx
index 782af21e..ccd819cd 100644
--- a/modules/@shopify/checkout-sheet-kit/src/components/AcceleratedCheckoutButtons.tsx
+++ b/modules/@shopify/checkout-sheet-kit/src/components/AcceleratedCheckoutButtons.tsx
@@ -178,8 +178,6 @@ export type AcceleratedCheckoutButtonsProps = (CartProps | VariantProps) &
  * />
  */
 
-const defaultStyles = {flex: 1};
-
 export const AcceleratedCheckoutButtons: React.FC<
   AcceleratedCheckoutButtonsProps
 > = ({
@@ -306,7 +304,7 @@ export const AcceleratedCheckoutButtons: React.FC<
       testID="accelerated-checkout-buttons"
       applePayLabel={applePayLabel}
       applePayStyle={applePayStyle}
-      style={{...defaultStyles, height: dynamicHeight}}
+      style={dynamicHeight ? {height: dynamicHeight} : undefined}
       checkoutIdentifier={checkoutIdentifier}
       cornerRadius={cornerRadius}
       wallets={wallets}
diff --git a/modules/@shopify/checkout-sheet-kit/tests/AcceleratedCheckoutButtons.test.tsx b/modules/@shopify/checkout-sheet-kit/tests/AcceleratedCheckoutButtons.test.tsx
index 35d2fa2e..a07fbb8c 100644
--- a/modules/@shopify/checkout-sheet-kit/tests/AcceleratedCheckoutButtons.test.tsx
+++ b/modules/@shopify/checkout-sheet-kit/tests/AcceleratedCheckoutButtons.test.tsx
@@ -290,19 +290,18 @@ describe('AcceleratedCheckoutButtons', () => {
       expect(onClickLink).not.toHaveBeenCalled();
     });
 
-    it('applies dynamic height when onSizeChange is emitted', async () => {
+    it('applies only the dynamic height when onSizeChange is emitted', async () => {
       const {getByTestId} = render(
         <AcceleratedCheckoutButtons cartId="gid://shopify/Cart/123" />,
       );
       let nativeComponent = getByTestId('accelerated-checkout-buttons');
+      expect(nativeComponent.props.style).toBeUndefined();
+
       await act(async () => {
         nativeComponent.props.onSizeChange({nativeEvent: {height: 42}});
       });
       nativeComponent = getByTestId('accelerated-checkout-buttons');
-      expect(nativeComponent.props.style).toEqual({
-        flex: 1,
-        height: 42,
-      });
+      expect(nativeComponent.props.style).toEqual({height: 42});
     });
 
     it('warns and returns null when missing identifiers in production', () => {