diff --git a/lib/Cake/Configure/ConfigReaderInterface.php b/lib/Cake/Configure/ConfigReaderInterface.php
index f1373550519..512ddf55ea2 100644
--- a/lib/Cake/Configure/ConfigReaderInterface.php
+++ b/lib/Cake/Configure/ConfigReaderInterface.php
@@ -12,6 +12,7 @@
  * @since         CakePHP(tm) v 1.0.0.2363
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
+namespace Cake\Configure;
 
 /**
  * An interface for creating objects compatible with Configure::load()
diff --git a/lib/Cake/Configure/IniReader.php b/lib/Cake/Configure/IniReader.php
index debd685c617..d663066ba7a 100644
--- a/lib/Cake/Configure/IniReader.php
+++ b/lib/Cake/Configure/IniReader.php
@@ -16,7 +16,10 @@
  * @since         CakePHP(tm) v 2.0
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
-App::uses('Hash', 'Utility');
+
+namespace Cake\Configure;
+use Cake\Utility\Hash,
+	Cake\Error;
 
 /**
  * Ini file configuration engine.
@@ -94,7 +97,7 @@ public function read($file) {
 		if (!file_exists($filename)) {
 			$filename .= '.ini';
 			if (!file_exists($filename)) {
-				throw new ConfigureException(__d('cake_dev', 'Could not load configuration files: %s or %s', substr($filename, 0, -4), $filename));
+				throw new Error\ConfigureException(__d('cake_dev', 'Could not load configuration files: %s or %s', substr($filename, 0, -4), $filename));
 			}
 		}
 		$contents = parse_ini_file($filename, true);
diff --git a/lib/Cake/Configure/PhpReader.php b/lib/Cake/Configure/PhpReader.php
index f5d96196135..f7b037ebc08 100644
--- a/lib/Cake/Configure/PhpReader.php
+++ b/lib/Cake/Configure/PhpReader.php
@@ -15,6 +15,9 @@
  * @since         CakePHP(tm) v 2.0
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
+namespace Cake\Configure;
+use Cake\Core\App,
+	Cake\Error;
 
 /**
  * PHP Reader allows Configure to load configuration values from
@@ -60,7 +63,7 @@ public function __construct($path = null) {
  */
 	public function read($key) {
 		if (strpos($key, '..') !== false) {
-			throw new ConfigureException(__d('cake_dev', 'Cannot load configuration files with ../ in them.'));
+			throw new Error\ConfigureException(__d('cake_dev', 'Cannot load configuration files with ../ in them.'));
 		}
 		if (substr($key, -4) === '.php') {
 			$key = substr($key, 0, -4);
@@ -75,12 +78,12 @@ public function read($key) {
 		$file .= '.php';
 		if (!is_file($file)) {
 			if (!is_file(substr($file, 0, -4))) {
-				throw new ConfigureException(__d('cake_dev', 'Could not load configuration files: %s or %s', $file, substr($file, 0, -4)));
+				throw new Error\ConfigureException(__d('cake_dev', 'Could not load configuration files: %s or %s', $file, substr($file, 0, -4)));
 			}
 		}
 		include $file;
 		if (!isset($config)) {
-			throw new ConfigureException(
+			throw new Error\ConfigureException(
 				sprintf(__d('cake_dev', 'No variable $config found in %s.php'), $file)
 			);
 		}