--- a/dom/webidl/Contacts.webidl
+++ b/dom/webidl/Contacts.webidl
@@ -54,17 +54,17 @@ dictionary ContactProperties {
   sequence<DOMString>?           org;
   sequence<DOMString>?           jobTitle;
   sequence<DOMString>?           note;
   sequence<DOMString>?           key;
 };
 
 [Constructor(optional ContactProperties properties),
  JSImplementation="@mozilla.org/contact;1",
- CheckAnyPermissions="contacts-read contacts-write contacts-create"]
+ ChromeOnly]
 interface mozContact {
                  attribute DOMString  id;
         readonly attribute Date?      published;
         readonly attribute Date?      updated;
 
                  attribute Date?      bday;
                  attribute Date?      anniversary;
 
@@ -113,17 +113,17 @@ dictionary ContactFindOptions : ContactF
   DOMString      filterValue;  // e.g. "Tom"
   DOMString      filterOp;     // e.g. "startsWith"
   any            filterBy;     // e.g. ["givenName", "nickname"]
   unsigned long  filterLimit = 0;
 };
 
 [NoInterfaceObject, NavigatorProperty="mozContacts",
  JSImplementation="@mozilla.org/contactManager;1",
- CheckAnyPermissions="contacts-read contacts-write contacts-create"]
+ ChromeOnly]
 interface ContactManager : EventTarget {
   DOMRequest find(optional ContactFindOptions options);
   DOMCursor  getAll(optional ContactFindSortOptions options);
   DOMRequest clear();
   DOMRequest save(mozContact contact);
   DOMRequest remove((mozContact or DOMString) contactOrId);
   DOMRequest getRevision();
   DOMRequest getCount();

--- a/dom/webidl/MozContactChangeEvent.webidl
+++ b/dom/webidl/MozContactChangeEvent.webidl
@@ -1,16 +1,16 @@
 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
 [Constructor(DOMString type, optional MozContactChangeEventInit eventInitDict),
- CheckAnyPermissions="contacts-read contacts-write contacts-create"]
+ ChromeOnly]
 interface MozContactChangeEvent : Event
 {
   readonly attribute DOMString? contactID;
   readonly attribute DOMString? reason;
 };
 
 dictionary MozContactChangeEventInit : EventInit
 {