diff --git a/lib/Cake/Test/Case/Controller/Component/AuthComponentTest.php b/lib/Cake/Test/Case/Controller/Component/AuthComponentTest.php
index 09e99c92e4c..2b25e58278f 100644
--- a/lib/Cake/Test/Case/Controller/Component/AuthComponentTest.php
+++ b/lib/Cake/Test/Case/Controller/Component/AuthComponentTest.php
@@ -415,6 +415,7 @@ public function tearDown() {
 		TestAuthComponent::clearUser();
 		$this->Auth->Session->delete('Auth');
 		$this->Auth->Session->delete('Message.auth');
+		$this->Auth->Session->destroy();
 		unset($this->Controller, $this->Auth);
 	}
 
diff --git a/lib/Cake/Test/Case/Controller/Component/SecurityComponentTest.php b/lib/Cake/Test/Case/Controller/Component/SecurityComponentTest.php
index 16951425f2d..4edaf935a03 100644
--- a/lib/Cake/Test/Case/Controller/Component/SecurityComponentTest.php
+++ b/lib/Cake/Test/Case/Controller/Component/SecurityComponentTest.php
@@ -186,6 +186,7 @@ public function setUp() {
 	public function tearDown() {
 		parent::tearDown();
 		$this->Controller->Session->delete('_Token');
+		$this->Controller->Session->destroy();
 		unset($this->Controller->Security);
 		unset($this->Controller->Component);
 		unset($this->Controller);
diff --git a/lib/Cake/Test/Case/Controller/ScaffoldTest.php b/lib/Cake/Test/Case/Controller/ScaffoldTest.php
index 14fa64b1531..ec6b4eb462f 100644
--- a/lib/Cake/Test/Case/Controller/ScaffoldTest.php
+++ b/lib/Cake/Test/Case/Controller/ScaffoldTest.php
@@ -17,6 +17,7 @@
  */
 
 App::uses('Router', 'Routing');
+App::uses('CakeSession', 'Model/Datasource');
 App::uses('Controller', 'Controller');
 App::uses('Scaffold', 'Controller');
 App::uses('ScaffoldView', 'View');
@@ -175,6 +176,7 @@ public function setUp() {
  */
 	public function tearDown() {
 		parent::tearDown();
+		CakeSession::destroy();
 		unset($this->Controller);
 	}
 
diff --git a/lib/Cake/Test/Case/I18n/I18nTest.php b/lib/Cake/Test/Case/I18n/I18nTest.php
index fd8cc36d2fc..3c3df309d6b 100644
--- a/lib/Cake/Test/Case/I18n/I18nTest.php
+++ b/lib/Cake/Test/Case/I18n/I18nTest.php
@@ -51,6 +51,7 @@ public function tearDown() {
 		parent::tearDown();
 
 		Cache::delete('object_map', '_cake_core_');
+		CakeSession::destroy();
 		App::build();
 		CakePlugin::unload();
 	}
diff --git a/lib/Cake/Test/Case/View/Helper/SessionHelperTest.php b/lib/Cake/Test/Case/View/Helper/SessionHelperTest.php
index f373218a7e6..5ff9737c63a 100644
--- a/lib/Cake/Test/Case/View/Helper/SessionHelperTest.php
+++ b/lib/Cake/Test/Case/View/Helper/SessionHelperTest.php
@@ -87,6 +87,7 @@ public function setUp() {
 	public function tearDown() {
 		$_SESSION = array();
 		unset($this->View, $this->Session);
+		CakeSession::destroy();
 		CakePlugin::unload();
 		parent::tearDown();
 	}