diff --git a/packages/react-native/Libraries/Utilities/PolyfillFunctions.js b/packages/react-native/Libraries/Utilities/PolyfillFunctions.js
index 5731a3f4c49f..4904cca0fbfb 100644
--- a/packages/react-native/Libraries/Utilities/PolyfillFunctions.js
+++ b/packages/react-native/Libraries/Utilities/PolyfillFunctions.js
@@ -30,7 +30,7 @@ export function polyfillObjectProperty<T>(
   name: string,
   getValue: () => T,
 ): void {
-  const descriptor = Object.getOwnPropertyDescriptor<$FlowFixMe>(object, name);
+  const descriptor = Object.getOwnPropertyDescriptor(object, name);
   if (__DEV__ && descriptor) {
     const backupName = `original${name[0].toUpperCase()}${name.slice(1)}`;
     Object.defineProperty(object, backupName, descriptor);
diff --git a/packages/react-native/src/private/webapis/dom/oldstylecollections/HTMLCollection.js b/packages/react-native/src/private/webapis/dom/oldstylecollections/HTMLCollection.js
index 4295da55838d..a3b3d0ec215e 100644
--- a/packages/react-native/src/private/webapis/dom/oldstylecollections/HTMLCollection.js
+++ b/packages/react-native/src/private/webapis/dom/oldstylecollections/HTMLCollection.js
@@ -18,7 +18,7 @@ import {setPlatformObject} from '../../webidl/PlatformObjects';
 // IMPORTANT: The type definition for this module is defined in `HTMLCollection.js.flow`
 // because Flow only supports indexers in classes in declaration files.
 
-const REUSABLE_PROPERTY_DESCRIPTOR: {...PropertyDescriptor<unknown>, ...} = {
+const REUSABLE_PROPERTY_DESCRIPTOR: {...PropertyDescriptor, ...} = {
   value: {},
   enumerable: true,
   configurable: false,
diff --git a/packages/react-native/src/private/webapis/dom/oldstylecollections/NodeList.js b/packages/react-native/src/private/webapis/dom/oldstylecollections/NodeList.js
index 31eee8b52ad7..7a54461eda9d 100644
--- a/packages/react-native/src/private/webapis/dom/oldstylecollections/NodeList.js
+++ b/packages/react-native/src/private/webapis/dom/oldstylecollections/NodeList.js
@@ -22,7 +22,7 @@ import {setPlatformObject} from '../../webidl/PlatformObjects';
 // IMPORTANT: The Flow type definition for this module is defined in `NodeList.js.flow`
 // because Flow only supports indexers in classes in declaration files.
 
-const REUSABLE_PROPERTY_DESCRIPTOR: {...PropertyDescriptor<unknown>, ...} = {
+const REUSABLE_PROPERTY_DESCRIPTOR: {...PropertyDescriptor, ...} = {
   value: {},
   writable: false,
 };