--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -1252,21 +1252,17 @@ pref("privacy.trackingprotection.pbmode.
 // Annotate channels based on the tracking protection list in all modes
 pref("privacy.trackingprotection.annotate_channels",  true);
 // Lower the priority of network loads for resources on the tracking protection list.
 // Note that this requires the privacy.trackingprotection.annotate_channels pref to be on in order to have any effect.
 pref("privacy.trackingprotection.lower_network_priority",  false);
 
 pref("dom.event.contextmenu.enabled",       true);
 pref("dom.event.clipboardevents.enabled",   true);
-#if defined(XP_WIN) && !defined(RELEASE_OR_BETA) || defined(MOZ_WIDGET_GTK) && !defined(RELEASE_OR_BETA) || defined(XP_MACOSX) && !defined(RELEASE_OR_BETA) || defined(MOZ_WIDGET_ANDROID) && !defined(RELEASE_OR_BETA)
 pref("dom.event.highrestimestamp.enabled",  true);
-#else
-pref("dom.event.highrestimestamp.enabled",  false);
-#endif
 
 pref("dom.webcomponents.enabled",           false);
 pref("dom.webcomponents.customelements.enabled", false);
 
 pref("javascript.enabled",                  true);
 pref("javascript.options.strict",           false);
 #ifdef DEBUG
 pref("javascript.options.strict.debug",     false);