From 64d903653bf21c9efc251a4a64727440b7c93248 Mon Sep 17 00:00:00 2001
From: "siarhei.fedarovich" <siarhei.fedarovich@ticketmaster.com>
Date: Fri, 27 Mar 2020 10:46:38 -0700
Subject: [PATCH] fix(performance-relayer): properly clean up event listeners
 on visibilitychange

---
 packages/next/client/performance-relayer.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/next/client/performance-relayer.js b/packages/next/client/performance-relayer.js
index 2d2c9dae326c3..2904ad5d6f569 100644
--- a/packages/next/client/performance-relayer.js
+++ b/packages/next/client/performance-relayer.js
@@ -25,7 +25,7 @@ export function observeLayoutShift(onPerfEntry) {
           // Force any pending records to be dispatched.
           observer.takeRecords()
           observer.disconnect()
-          removeEventListener('visibilitychange', clsObserver, true)
+          document.removeEventListener('visibilitychange', clsObserver, true)
           onPerfEntry({
             name: 'cumulative-layout-shift',
             value: cumulativeScore,
@@ -55,7 +55,7 @@ export function observeLargestContentfulPaint(onPerfEntry) {
       'visibilitychange',
       function lcpObserver() {
         if (lcp && document.visibilityState === 'hidden') {
-          removeEventListener('visibilitychange', lcpObserver, true)
+          document.removeEventListener('visibilitychange', lcpObserver, true)
           onPerfEntry({
             name: 'largest-contentful-paint',
             value: lcp,