diff --git a/src/management/UsersManager.js b/src/management/UsersManager.js
index <HASH>..<HASH> 100644
--- a/src/management/UsersManager.js
+++ b/src/management/UsersManager.js
@@ -386,6 +386,8 @@ UsersManager.prototype.delete = function(params) {
  * @param   {Function}  [cb]        Callback function
  *
  * @return  {Promise|undefined}
+ *
+ * @deprecated This method will be removed in the next major release.
  */
 UsersManager.prototype.deleteAll = function(cb) {
   if (typeof cb !== 'function') {
diff --git a/src/management/index.js b/src/management/index.js
index <HASH>..<HASH> 100644
--- a/src/management/index.js
+++ b/src/management/index.js
@@ -938,6 +938,8 @@ utils.wrapPropertyMethod(ManagementClient, 'getUser', 'users.get');
  * @param   {Function}  [cb]        Callback function
  *
  * @return  {Promise|undefined}
+ *
+ * @deprecated This method will be removed in the next major release.
  */
 utils.wrapPropertyMethod(ManagementClient, 'deleteAllUsers', 'users.deleteAll');
Deprecate UsersManager.deleteAll and deleteAllUsers wrapper methods