--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -1396,20 +1396,18 @@ pref("dom.webnotifications.serviceworker
 pref("dom.push.enabled", true);
 
 // These are the thumbnail width/height set in about:newtab.
 // If you change this, ENSURE IT IS THE SAME SIZE SET
 // by about:newtab. These values are in CSS pixels.
 pref("toolkit.pageThumbs.minWidth", 280);
 pref("toolkit.pageThumbs.minHeight", 190);
 
-#ifdef NIGHTLY_BUILD
-// Enable speech synthesis, only Nightly for now
+// Enable speech synthesis
 pref("media.webspeech.synth.enabled", true);
-#endif
 
 pref("browser.esedbreader.loglevel", "Error");
 
 pref("browser.laterrun.enabled", false);
 
 // Enable browser frames for use on desktop.  Only exposed to chrome callers.
 pref("dom.mozBrowserFramesEnabled", true);