trying to stop cache of website

firebase.json

@@ -1,5 +1,8 @@
 {
   "hosting": {
+    "headers": [
+      { "source":"/service-worker.js", "headers": [{"key": "Cache-Control", "value": "no-cache"}] }
+    ],
     "public": "build",
     "ignore": [
       "firebase.json",

src/index.js

@@ -1,7 +1,7 @@
 import React from "react";
 import ReactDOM from "react-dom";
 import { App } from "./components/App/App";
-import registerServiceWorker from "./workers/registerServiceWorker";
+// import registerServiceWorker from "./workers/registerServiceWorker";
 
 ReactDOM.render(<App />, document.getElementById("root"));
-registerServiceWorker();
+// registerServiceWorker();