diff --git a/doc/api/perf_hooks.md b/doc/api/perf_hooks.md
index 61e228113ef938..db52e0812d4663 100644
--- a/doc/api/perf_hooks.md
+++ b/doc/api/perf_hooks.md
@@ -1804,7 +1804,7 @@ const obs = new PerformanceObserver((list, observer) => {
   performance.clearMeasures();
   observer.disconnect();
 });
-obs.observe({ entryTypes: ['measure'], buffered: true });
+obs.observe({ entryTypes: ['measure'] });
 
 setTimeout(() => {}, 1000);
 ```
@@ -1839,7 +1839,7 @@ const obs = new PerformanceObserver((list) => {
   performance.clearMeasures();
   obs.disconnect();
 });
-obs.observe({ entryTypes: ['function'], buffered: true });
+obs.observe({ entryTypes: ['function'] });
 
 require('some-module');
 ```