From e19ae42e454c02b726cba792881b22af19ea6ed9 Mon Sep 17 00:00:00 2001
From: Samuel Georges <sam@daftspunk.com>
Date: Fri, 25 Mar 2016 14:17:13 +1100
Subject: [PATCH] (Rollback) Keep instances to themselves

---
 modules/backend/behaviors/UserPreferencesModel.php | 5 ++++-
 modules/system/behaviors/SettingsModel.php         | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/modules/backend/behaviors/UserPreferencesModel.php b/modules/backend/behaviors/UserPreferencesModel.php
index f552a2210..b9bb6dc01 100644
--- a/modules/backend/behaviors/UserPreferencesModel.php
+++ b/modules/backend/behaviors/UserPreferencesModel.php
@@ -18,7 +18,10 @@ use Backend\Models\UserPreferences;
  */
 class UserPreferencesModel extends SettingsModel
 {
-    protected static $instances = [];
+    /**
+     * @var array Internal cache of model objects.
+     */
+    private static $instances = [];
 
     /**
      * Constructor
diff --git a/modules/system/behaviors/SettingsModel.php b/modules/system/behaviors/SettingsModel.php
index 0603eec87..9bcea8575 100644
--- a/modules/system/behaviors/SettingsModel.php
+++ b/modules/system/behaviors/SettingsModel.php
@@ -28,7 +28,7 @@ class SettingsModel extends ModelBehavior
     /**
      * @var array Internal cache of model objects.
      */
-    protected static $instances = [];
+    private static $instances = [];
 
     /**
      * {@inheritDoc}