diff --git a/src/browser/app/profile/zen-browser.js b/src/browser/app/profile/zen-browser.js
index 96ebd47c..56190ea8 100644
--- a/src/browser/app/profile/zen-browser.js
+++ b/src/browser/app/profile/zen-browser.js
@@ -248,7 +248,6 @@ pref('dom.script_loader.bytecode_cache.strategy', 2);
 pref("dom.text_fragments.enabled", true);
 
 pref("layout.css.grid-template-masonry-value.enabled", true);
-pref("dom.enable_web_task_scheduling", true);
 pref("dom.security.sanitizer.enabled", true);
 
 // Pocket