diff --git a/testing/web-platform/meta/scheduler/post-task-delay.any.js.ini b/testing/web-platform/meta/scheduler/post-task-delay.any.js.ini
new file mode 100644
index 000000000000..e876964d777a
--- /dev/null
+++ b/testing/web-platform/meta/scheduler/post-task-delay.any.js.ini
@@ -0,0 +1,6 @@
+[post-task-delay.any.worker.html]
+  prefs: [privacy.reduceTimerPrecision:false]
+[post-task-delay.any.sharedworker.html]
+  prefs: [privacy.reduceTimerPrecision:false]
+[post-task-delay.any.serviceworker.html]
+  prefs: [privacy.reduceTimerPrecision:false]