diff --git a/packages/react-dom-bindings/src/shared/ReactDOMInvalidARIAHook.js b/packages/react-dom-bindings/src/shared/ReactDOMInvalidARIAHook.js
index 1546c32ed965e..4bc62e3de4ddb 100644
--- a/packages/react-dom-bindings/src/shared/ReactDOMInvalidARIAHook.js
+++ b/packages/react-dom-bindings/src/shared/ReactDOMInvalidARIAHook.js
@@ -6,7 +6,6 @@
  */
 
 import {ATTRIBUTE_NAME_CHAR} from './isAttributeNameSafe';
-import isCustomComponent from './isCustomComponent';
 import validAriaProperties from './validAriaProperties';
 import hasOwnProperty from 'shared/hasOwnProperty';
 
@@ -76,7 +75,7 @@ function validateProperty(tagName, name) {
   return true;
 }
 
-function warnInvalidARIAProps(type, props) {
+export function validateProperties(type, props) {
   if (__DEV__) {
     const invalidProps = [];
 
@@ -108,10 +107,3 @@ function warnInvalidARIAProps(type, props) {
     }
   }
 }
-
-export function validateProperties(type, props) {
-  if (isCustomComponent(type, props)) {
-    return;
-  }
-  warnInvalidARIAProps(type, props);
-}