diff --git a/types/react/test/tsx.tsx b/types/react/test/tsx.tsx
index 3105a3347b..8f0e11aea5 100644
--- a/types/react/test/tsx.tsx
+++ b/types/react/test/tsx.tsx
@@ -127,11 +127,12 @@ export abstract class SetStateTestForExtendsState<P, S extends { baseProp: strin
 }
 
 // Below tests that & generic still works
-export abstract class SetStateTestForAndedState<P, S> extends React.Component<P, S & { baseProp: string }> {
-	foo() {
-		this.setState({ baseProp: 'foobar' });
-	}
-}
+// This is invalid because 'S' may specify a different type for `baseProp`.
+// export abstract class SetStateTestForAndedState<P, S> extends React.Component<P, S & { baseProp: string }> {
+// 	   foo() {
+// 	       this.setState({ baseProp: 'foobar' });
+// 	   }
+// }
 
 interface NewProps { foo: string; }
 interface NewState { bar: string; }
diff --git a/types/react/v15/test/tsx.tsx b/types/react/v15/test/tsx.tsx
index 289a912a3f..e79e5b5f7f 100644
--- a/types/react/v15/test/tsx.tsx
+++ b/types/react/v15/test/tsx.tsx
@@ -100,8 +100,9 @@ export abstract class SetStateTestForExtendsState<P, S extends { baseProp: strin
 }
 
 // Below tests that & generic still works
-export abstract class SetStateTestForAndedState<P, S> extends React.Component<P, S & { baseProp: string }> {
-	foo() {
-		this.setState({ baseProp: 'foobar' });
-	}
-}
+// This is invalid because 'S' may specify a different type for `baseProp`.
+// export abstract class SetStateTestForAndedState<P, S> extends React.Component<P, S & { baseProp: string }> {
+// 	   foo() {
+// 	       this.setState({ baseProp: 'foobar' });
+// 	   }
+// }