diff --git a/Libraries/ReactNative/RootTag.js b/Libraries/ReactNative/RootTag.js
index e2cb96cfa58..693fa31cbb7 100644
--- a/Libraries/ReactNative/RootTag.js
+++ b/Libraries/ReactNative/RootTag.js
@@ -10,7 +10,6 @@
 
 import * as React from 'react';
 
-// TODO: Make this into an opaque type.
 export opaque type RootTag = number;
 
 export const RootTagContext: React$Context<RootTag> =