diff --git a/src/Controller/Component/AuthComponent.php b/src/Controller/Component/AuthComponent.php
index 55f0f875410..bf8a1ae4883 100644
--- a/src/Controller/Component/AuthComponent.php
+++ b/src/Controller/Component/AuthComponent.php
@@ -230,15 +230,13 @@ class AuthComponent extends Component {
 	protected $_authorizationProvider;
 
 /**
- * Constructor
+ * Initialize properties.
  *
- * @param ComponentRegistry $registry A ComponentRegistry object.
- * @param array $config Array of configuration settings.
+ * @param array $config The config data.
+ * @return void
  */
-	public function __construct(ComponentRegistry $registry, array $config = []) {
-		parent::__construct($registry, $config);
-
-		$controller = $registry->getController();
+	public function initialize(array $config) {
+		$controller = $this->_registry->getController();
 		$this->request = $controller->request;
 		$this->response = $controller->response;
 		$this->session = $controller->request->session();
diff --git a/src/Controller/Component/CookieComponent.php b/src/Controller/Component/CookieComponent.php
index 624a8b2b126..b7845c69a42 100644
--- a/src/Controller/Component/CookieComponent.php
+++ b/src/Controller/Component/CookieComponent.php
@@ -120,19 +120,17 @@ class CookieComponent extends Component {
 	protected $_validCiphers = ['aes', 'rijndael'];
 
 /**
- * Constructor
+ * Initialize config data and properties.
  *
- * @param ComponentRegistry $registry A ComponentRegistry for this component
- * @param array $config Array of config.
+ * @param array $config The config data.
+ * @return void
  */
-	public function __construct(ComponentRegistry $registry, array $config = array()) {
-		parent::__construct($registry, $config);
-
+	public function initialize(array $config) {
 		if (!$this->_config['key']) {
 			$this->config('key', Security::salt());
 		}
 
-		$controller = $registry->getController();
+		$controller = $this->_registry->getController();
 		if ($controller && isset($controller->request)) {
 			$this->_request = $controller->request;
 		} else {
diff --git a/src/Controller/Component/SessionComponent.php b/src/Controller/Component/SessionComponent.php
index 50c11bdede4..f556d0f6684 100644
--- a/src/Controller/Component/SessionComponent.php
+++ b/src/Controller/Component/SessionComponent.php
@@ -38,14 +38,13 @@ class SessionComponent extends Component {
 	protected $_session;
 
 /**
- * Constructor. Parses the accepted content types accepted by the client using HTTP_ACCEPT
+ * Initialize properties.
  *
- * @param ComponentRegistry $registry ComponentRegistry object.
- * @param array $config Array of config.
+ * @param array $config The config data.
+ * @return void
  */
-	public function __construct(ComponentRegistry $registry, array $config = array()) {
-		parent::__construct($registry, $config);
-		$this->_session = $registry->getController()->request->session();
+	public function initialize(array $config) {
+		$this->_session = $this->_registry->getController()->request->session();
 	}
 
 /**