diff --git a/packages/react/__tests__/src/components/Notice/index.js b/packages/react/__tests__/src/components/Notice/index.js
index 9407983e4..0d1647236 100644
--- a/packages/react/__tests__/src/components/Notice/index.js
+++ b/packages/react/__tests__/src/components/Notice/index.js
@@ -52,17 +52,6 @@ test('should return correctly with props passed in', async () => {
   expect(wrapper.prop('children')).toBe('bar');
 });
 
-test('should fallback to the `info-circle` icon when an invalid icon type is passed in', async () => {
-  const wrapper = mount(
-    <Notice type="info" icon="invalid-icon" title="foo">
-      bar
-    </Notice>
-  );
-
-  expect(wrapper.find('Notice').length).toBe(1);
-  expect(wrapper.find('Icon').prop('type')).toBe('info-circle');
-});
-
 test('should render with the correct icon when a valid icon `type` string is passed in', async () => {
   const wrapper = mount(<Notice type="info" icon="bolt" title="Dynamo!" />);
 
diff --git a/packages/react/src/components/Notice/index.tsx b/packages/react/src/components/Notice/index.tsx
index 26558ee82..6e9565461 100644
--- a/packages/react/src/components/Notice/index.tsx
+++ b/packages/react/src/components/Notice/index.tsx
@@ -31,9 +31,7 @@ const Notice = forwardRef<HTMLDivElement, NoticeProps>(
         {...otherProps}
       >
         <div className="Notice__title">
-          <Icon
-            type={icon || (iconTypeMap[type] as IconType) || iconTypeMap.info}
-          />
+          <Icon type={icon || (iconTypeMap[type] as IconType)} />
           {title}
         </div>
         {children && typeof children === 'string' ? (
@@ -53,11 +51,9 @@ Notice.propTypes = {
   type: PropTypes.oneOf(['caution', 'info']),
   // @ts-expect-error
   title: PropTypes.oneOf([
-    'string',
-    'number',
-    'ReactElement',
-    'ReactFragment',
-    'ReactPortal'
+    PropTypes.string,
+    PropTypes.number,
+    PropTypes.element
   ]),
   // @ts-expect-error
   icon: PropTypes.string
diff --git a/packages/styles/notice.css b/packages/styles/notice.css
index 7de383321..4fcf28755 100644
--- a/packages/styles/notice.css
+++ b/packages/styles/notice.css
@@ -19,7 +19,7 @@
 
 .Notice {
   display: block;
-  padding: var(--space-small) var(--space-small);
+  padding: var(--space-smaller) var(--space-small);
   border: 1px solid var(--notice-border-color);
   background-color: var(--notice-background-color);
   color: var(--notice-text-color);