--- a/dom/webidl/Navigator.webidl
+++ b/dom/webidl/Navigator.webidl
@@ -356,17 +356,17 @@ partial interface Navigator {
   [Throws, ChromeOnly, UnsafeInPrerendering]
   readonly attribute FMRadio mozFMRadio;
 };
 #endif // MOZ_B2G_FM
 
 #ifdef MOZ_TIME_MANAGER
 // nsIDOMMozNavigatorTime
 partial interface Navigator {
-  [Throws, CheckAnyPermissions="time", UnsafeInPrerendering]
+  [Throws, ChromeOnly, UnsafeInPrerendering]
   readonly attribute MozTimeManager mozTime;
 };
 #endif // MOZ_TIME_MANAGER
 
 #ifdef MOZ_AUDIO_CHANNEL_MANAGER
 // nsIMozNavigatorAudioChannelManager
 partial interface Navigator {
   [Throws]