--- a/security/sandbox/mac/SandboxPolicies.h
+++ b/security/sandbox/mac/SandboxPolicies.h
@@ -213,18 +213,17 @@ static const char contentSandboxRules[] 
       (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")
       (iokit-user-client-class "IGAccelVideoContextMedia")
-      (iokit-user-client-class "IGAccelVideoContextVEBox")
-      (iokit-user-client-class "RootDomainUserClient"))
+      (iokit-user-client-class "IGAccelVideoContextVEBox"))
 
 ; depending on systems, the 1st, 2nd or both rules are necessary
   (allow-shared-preferences-read "com.apple.HIToolbox")
   (allow file-read-data (literal "/Library/Preferences/com.apple.HIToolbox.plist"))
 
   (allow-shared-preferences-read "com.apple.ATS")
   (allow file-read-data (literal "/Library/Preferences/.GlobalPreferences.plist"))