--- a/security/sandbox/mac/SandboxPolicies.h
+++ b/security/sandbox/mac/SandboxPolicies.h
@@ -176,17 +176,16 @@ static const char contentSandboxRules[] 
            (home-regex (string-append "/Library/Preferences/" (regex-quote domain)))))
 
   (allow ipc-posix-shm
       (ipc-posix-name-regex "^/tmp/com.apple.csseed:")
       (ipc-posix-name-regex "^CFPBS:")
       (ipc-posix-name-regex "^AudioIO"))
 
   (allow signal (target self))
-  (allow iokit-set-properties (iokit-property "IOAudioControlValue"))
 
   (allow mach-lookup
       (global-name "com.apple.coreservices.launchservicesd")
       (global-name "com.apple.pasteboard.1")
       (global-name "com.apple.window_proxies")
       (global-name "com.apple.windowserver.active")
       (global-name "com.apple.audio.coreaudiod")
       (global-name "com.apple.audio.audiohald")
@@ -203,17 +202,16 @@ static const char contentSandboxRules[] 
     (allow mach-lookup (global-name "com.apple.audio.AudioComponentRegistrar")))
 
 ; bug 1312273
   (if (= macosMinorVersion 9)
      (allow mach-lookup (global-name "com.apple.xpcd")))
 
   (allow iokit-open
       (iokit-user-client-class "IOHIDParamUserClient")
-      (iokit-user-client-class "IOAudioControlUserClient")
       (iokit-user-client-class "IOAudioEngineUserClient")
       (iokit-user-client-class "IGAccelDevice")
       (iokit-user-client-class "nvDevice")
       (iokit-user-client-class "nvSharedUserClient")
       (iokit-user-client-class "nvFermiGLContext")
       (iokit-user-client-class "IGAccelGLContext")
       (iokit-user-client-class "IGAccelSharedUserClient")
       (iokit-user-client-class "IGAccelVideoContextMain")