diff --git a/lib/Page.js b/lib/Page.js
index db4cd7a66f0..31fa78d6d31 100644
--- a/lib/Page.js
+++ b/lib/Page.js
@@ -59,11 +59,8 @@ class Page extends EventEmitter {
     this._frameManager = frameManager;
     this._networkManager = networkManager;
     this._screenDPI = screenDPI;
-    this._extraHeaders = {};
     /** @type {!Map<string, function>} */
     this._inPageCallbacks = new Map();
-    /** @type {?function(!InterceptedRequest)} */
-    this._requestInterceptor = null;
     /** @type {?Promise<number>} */
     this._rootNodeIdPromise = null;
 
@@ -264,7 +261,7 @@ class Page extends EventEmitter {
    * @return {!Promise<boolean>}
    */
   navigate(url, options) {
-    return new Navigator(this._client, options).navigate(url, this._extraHeaders.referer);
+    return new Navigator(this._client, options).navigate(url, this._networkManager.httpHeaders().referer);
   }
 
   /**