diff --git a/packages/mobx-react/__tests__/stateless.test.tsx b/packages/mobx-react/__tests__/stateless.test.tsx
index 6ff32d589..febffeece 100644
--- a/packages/mobx-react/__tests__/stateless.test.tsx
+++ b/packages/mobx-react/__tests__/stateless.test.tsx
@@ -58,7 +58,8 @@ test("stateless component with context support", () => {
     expect(container.textContent).toBe("context: hello world")
 })
 
-test("component with observable propTypes", () => {
+// propTypes validation seems to have been removed from class components in React 19: https://react.dev/reference/react/Component
+test.skip("component with observable propTypes", () => {
     class Comp extends React.Component {
         render() {
             return null