diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/YamlLintCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/YamlLintCommand.php
index 3f931f54c1..c4c4bb9cf1 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/YamlLintCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/YamlLintCommand.php
@@ -105,9 +105,9 @@ EOF
 
     private function validate($content, $file = null)
     {
-        $this->parser = new Parser();
+        $parser = new Parser();
         try {
-            $this->parser->parse($content);
+            $parser->parse($content);
         } catch (ParseException $e) {
             return array('file' => $file, 'valid' => false, 'message' => $e->getMessage());
         }
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/CheckReferenceValidityPass.php b/src/Symfony/Component/DependencyInjection/Compiler/CheckReferenceValidityPass.php
index 3d4988d2e6..82202a9fb6 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/CheckReferenceValidityPass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/CheckReferenceValidityPass.php
@@ -64,7 +64,6 @@ class CheckReferenceValidityPass implements CompilerPassInterface
             }
 
             $this->currentId = $id;
-            $this->currentDefinition = $definition;
             $this->currentScope = $scope = $definition->getScope();
 
             if (ContainerInterface::SCOPE_CONTAINER === $scope) {
diff --git a/src/Symfony/Component/HttpKernel/DataCollector/DumpDataCollector.php b/src/Symfony/Component/HttpKernel/DataCollector/DumpDataCollector.php
index e0d7d50f6b..c50bf7a135 100644
--- a/src/Symfony/Component/HttpKernel/DataCollector/DumpDataCollector.php
+++ b/src/Symfony/Component/HttpKernel/DataCollector/DumpDataCollector.php
@@ -34,6 +34,7 @@ class DumpDataCollector extends DataCollector implements DataDumperInterface
     private $clonesIndex = 0;
     private $rootRefs;
     private $charset;
+    private $requestStack;
     private $dumper;
     private $dumperIsInjected;
 
diff --git a/src/Symfony/Component/HttpKernel/HttpCache/Esi.php b/src/Symfony/Component/HttpKernel/HttpCache/Esi.php
index e4e0a4be6f..4fe523931d 100644
--- a/src/Symfony/Component/HttpKernel/HttpCache/Esi.php
+++ b/src/Symfony/Component/HttpKernel/HttpCache/Esi.php
@@ -200,7 +200,6 @@ class Esi implements SurrogateInterface
      */
     public function process(Request $request, Response $response)
     {
-        $this->request = $request;
         $type = $response->headers->get('Content-Type');
         if (empty($type)) {
             $type = 'text/html';
diff --git a/src/Symfony/Component/HttpKernel/HttpCache/Ssi.php b/src/Symfony/Component/HttpKernel/HttpCache/Ssi.php
index 7bb54cff62..43311b6dc8 100644
--- a/src/Symfony/Component/HttpKernel/HttpCache/Ssi.php
+++ b/src/Symfony/Component/HttpKernel/HttpCache/Ssi.php
@@ -113,7 +113,6 @@ class Ssi implements SurrogateInterface
      */
     public function process(Request $request, Response $response)
     {
-        $this->request = $request;
         $type = $response->headers->get('Content-Type');
         if (empty($type)) {
             $type = 'text/html';
diff --git a/src/Symfony/Component/HttpKernel/Tests/HttpCache/HttpCacheTestCase.php b/src/Symfony/Component/HttpKernel/Tests/HttpCache/HttpCacheTestCase.php
index 766e2b1d49..1fcd210751 100644
--- a/src/Symfony/Component/HttpKernel/Tests/HttpCache/HttpCacheTestCase.php
+++ b/src/Symfony/Component/HttpKernel/Tests/HttpCache/HttpCacheTestCase.php
@@ -28,6 +28,7 @@ class HttpCacheTestCase extends \PHPUnit_Framework_TestCase
     protected $responses;
     protected $catch;
     protected $esi;
+    protected $store;
 
     protected function setUp()
     {
diff --git a/src/Symfony/Component/HttpKernel/Tests/HttpCache/TestMultipleHttpKernel.php b/src/Symfony/Component/HttpKernel/Tests/HttpCache/TestMultipleHttpKernel.php
index 773e221482..5b5209e9a6 100644
--- a/src/Symfony/Component/HttpKernel/Tests/HttpCache/TestMultipleHttpKernel.php
+++ b/src/Symfony/Component/HttpKernel/Tests/HttpCache/TestMultipleHttpKernel.php
@@ -23,7 +23,7 @@ class TestMultipleHttpKernel extends HttpKernel implements ControllerResolverInt
     protected $bodies = array();
     protected $statuses = array();
     protected $headers = array();
-    protected $call = false;
+    protected $called = false;
     protected $backendRequest;
 
     public function __construct($responses)
@@ -75,6 +75,6 @@ class TestMultipleHttpKernel extends HttpKernel implements ControllerResolverInt
 
     public function reset()
     {
-        $this->call = false;
+        $this->called = false;
     }
 }
diff --git a/src/Symfony/Component/Serializer/Tests/Encoder/JsonEncoderTest.php b/src/Symfony/Component/Serializer/Tests/Encoder/JsonEncoderTest.php
index c7bd11e7ae..c064503430 100644
--- a/src/Symfony/Component/Serializer/Tests/Encoder/JsonEncoderTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Encoder/JsonEncoderTest.php
@@ -17,6 +17,9 @@ use Symfony\Component\Serializer\Normalizer\CustomNormalizer;
 
 class JsonEncoderTest extends \PHPUnit_Framework_TestCase
 {
+    private $encoder;
+    private $serializer;
+
     protected function setUp()
     {
         $this->encoder = new JsonEncoder();
diff --git a/src/Symfony/Component/Serializer/Tests/SerializerTest.php b/src/Symfony/Component/Serializer/Tests/SerializerTest.php
index 68f70fcfe5..a9713466e9 100644
--- a/src/Symfony/Component/Serializer/Tests/SerializerTest.php
+++ b/src/Symfony/Component/Serializer/Tests/SerializerTest.php
@@ -38,21 +38,21 @@ class SerializerTest extends \PHPUnit_Framework_TestCase
      */
     public function testNormalizeNoMatch()
     {
-        $this->serializer = new Serializer(array($this->getMock('Symfony\Component\Serializer\Normalizer\CustomNormalizer')));
-        $this->serializer->normalize(new \stdClass(), 'xml');
+        $serializer = new Serializer(array($this->getMock('Symfony\Component\Serializer\Normalizer\CustomNormalizer')));
+        $serializer->normalize(new \stdClass(), 'xml');
     }
 
     public function testNormalizeTraversable()
     {
-        $this->serializer = new Serializer(array(), array('json' => new JsonEncoder()));
-        $result = $this->serializer->serialize(new TraversableDummy(), 'json');
+        $serializer = new Serializer(array(), array('json' => new JsonEncoder()));
+        $result = $serializer->serialize(new TraversableDummy(), 'json');
         $this->assertEquals('{"foo":"foo","bar":"bar"}', $result);
     }
 
     public function testNormalizeGivesPriorityToInterfaceOverTraversable()
     {
-        $this->serializer = new Serializer(array(new CustomNormalizer()), array('json' => new JsonEncoder()));
-        $result = $this->serializer->serialize(new NormalizableTraversableDummy(), 'json');
+        $serializer = new Serializer(array(new CustomNormalizer()), array('json' => new JsonEncoder()));
+        $result = $serializer->serialize(new NormalizableTraversableDummy(), 'json');
         $this->assertEquals('{"foo":"normalizedFoo","bar":"normalizedBar"}', $result);
     }
 
@@ -61,8 +61,8 @@ class SerializerTest extends \PHPUnit_Framework_TestCase
      */
     public function testNormalizeOnDenormalizer()
     {
-        $this->serializer = new Serializer(array(new TestDenormalizer()), array());
-        $this->assertTrue($this->serializer->normalize(new \stdClass(), 'json'));
+        $serializer = new Serializer(array(new TestDenormalizer()), array());
+        $this->assertTrue($serializer->normalize(new \stdClass(), 'json'));
     }
 
     /**
@@ -70,8 +70,8 @@ class SerializerTest extends \PHPUnit_Framework_TestCase
      */
     public function testDenormalizeNoMatch()
     {
-        $this->serializer = new Serializer(array($this->getMock('Symfony\Component\Serializer\Normalizer\CustomNormalizer')));
-        $this->serializer->denormalize('foo', 'stdClass');
+        $serializer = new Serializer(array($this->getMock('Symfony\Component\Serializer\Normalizer\CustomNormalizer')));
+        $serializer->denormalize('foo', 'stdClass');
     }
 
     /**
@@ -79,40 +79,40 @@ class SerializerTest extends \PHPUnit_Framework_TestCase
      */
     public function testDenormalizeOnNormalizer()
     {
-        $this->serializer = new Serializer(array(new TestNormalizer()), array());
+        $serializer = new Serializer(array(new TestNormalizer()), array());
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->assertTrue($this->serializer->denormalize(json_encode($data), 'stdClass', 'json'));
+        $this->assertTrue($serializer->denormalize(json_encode($data), 'stdClass', 'json'));
     }
 
     public function testCustomNormalizerCanNormalizeCollectionsAndScalar()
     {
-        $this->serializer = new Serializer(array(new TestNormalizer()), array());
-        $this->assertNull($this->serializer->normalize(array('a', 'b')));
-        $this->assertNull($this->serializer->normalize(new \ArrayObject(array('c', 'd'))));
-        $this->assertNull($this->serializer->normalize(array()));
-        $this->assertNull($this->serializer->normalize('test'));
+        $serializer = new Serializer(array(new TestNormalizer()), array());
+        $this->assertNull($serializer->normalize(array('a', 'b')));
+        $this->assertNull($serializer->normalize(new \ArrayObject(array('c', 'd'))));
+        $this->assertNull($serializer->normalize(array()));
+        $this->assertNull($serializer->normalize('test'));
     }
 
     public function testSerialize()
     {
-        $this->serializer = new Serializer(array(new GetSetMethodNormalizer()), array('json' => new JsonEncoder()));
+        $serializer = new Serializer(array(new GetSetMethodNormalizer()), array('json' => new JsonEncoder()));
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $result = $this->serializer->serialize(Model::fromArray($data), 'json');
+        $result = $serializer->serialize(Model::fromArray($data), 'json');
         $this->assertEquals(json_encode($data), $result);
     }
 
     public function testSerializeScalar()
     {
-        $this->serializer = new Serializer(array(), array('json' => new JsonEncoder()));
-        $result = $this->serializer->serialize('foo', 'json');
+        $serializer = new Serializer(array(), array('json' => new JsonEncoder()));
+        $result = $serializer->serialize('foo', 'json');
         $this->assertEquals('"foo"', $result);
     }
 
     public function testSerializeArrayOfScalars()
     {
-        $this->serializer = new Serializer(array(), array('json' => new JsonEncoder()));
+        $serializer = new Serializer(array(), array('json' => new JsonEncoder()));
         $data = array('foo', array(5, 3));
-        $result = $this->serializer->serialize($data, 'json');
+        $result = $serializer->serialize($data, 'json');
         $this->assertEquals(json_encode($data), $result);
     }
 
@@ -121,9 +121,9 @@ class SerializerTest extends \PHPUnit_Framework_TestCase
      */
     public function testSerializeNoEncoder()
     {
-        $this->serializer = new Serializer(array(), array());
+        $serializer = new Serializer(array(), array());
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->serializer->serialize($data, 'json');
+        $serializer->serialize($data, 'json');
     }
 
     /**
@@ -131,26 +131,26 @@ class SerializerTest extends \PHPUnit_Framework_TestCase
      */
     public function testSerializeNoNormalizer()
     {
-        $this->serializer = new Serializer(array(), array('json' => new JsonEncoder()));
+        $serializer = new Serializer(array(), array('json' => new JsonEncoder()));
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->serializer->serialize(Model::fromArray($data), 'json');
+        $serializer->serialize(Model::fromArray($data), 'json');
     }
 
     public function testDeserialize()
     {
-        $this->serializer = new Serializer(array(new GetSetMethodNormalizer()), array('json' => new JsonEncoder()));
+        $serializer = new Serializer(array(new GetSetMethodNormalizer()), array('json' => new JsonEncoder()));
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $result = $this->serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
+        $result = $serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
         $this->assertEquals($data, $result->toArray());
     }
 
     public function testDeserializeUseCache()
     {
-        $this->serializer = new Serializer(array(new GetSetMethodNormalizer()), array('json' => new JsonEncoder()));
+        $serializer = new Serializer(array(new GetSetMethodNormalizer()), array('json' => new JsonEncoder()));
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
+        $serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
         $data = array('title' => 'bar', 'numbers' => array(2, 8));
-        $result = $this->serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
+        $result = $serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
         $this->assertEquals($data, $result->toArray());
     }
 
@@ -159,9 +159,9 @@ class SerializerTest extends \PHPUnit_Framework_TestCase
      */
     public function testDeserializeNoNormalizer()
     {
-        $this->serializer = new Serializer(array(), array('json' => new JsonEncoder()));
+        $serializer = new Serializer(array(), array('json' => new JsonEncoder()));
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
+        $serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
     }
 
     /**
@@ -169,9 +169,9 @@ class SerializerTest extends \PHPUnit_Framework_TestCase
      */
     public function testDeserializeWrongNormalizer()
     {
-        $this->serializer = new Serializer(array(new CustomNormalizer()), array('json' => new JsonEncoder()));
+        $serializer = new Serializer(array(new CustomNormalizer()), array('json' => new JsonEncoder()));
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
+        $serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
     }
 
     /**
@@ -179,45 +179,45 @@ class SerializerTest extends \PHPUnit_Framework_TestCase
      */
     public function testDeserializeNoEncoder()
     {
-        $this->serializer = new Serializer(array(), array());
+        $serializer = new Serializer(array(), array());
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
+        $serializer->deserialize(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json');
     }
 
     public function testDeserializeSupported()
     {
-        $this->serializer = new Serializer(array(new GetSetMethodNormalizer()), array());
+        $serializer = new Serializer(array(new GetSetMethodNormalizer()), array());
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->assertTrue($this->serializer->supportsDenormalization(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json'));
+        $this->assertTrue($serializer->supportsDenormalization(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json'));
     }
 
     public function testDeserializeNotSupported()
     {
-        $this->serializer = new Serializer(array(new GetSetMethodNormalizer()), array());
+        $serializer = new Serializer(array(new GetSetMethodNormalizer()), array());
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->assertFalse($this->serializer->supportsDenormalization(json_encode($data), 'stdClass', 'json'));
+        $this->assertFalse($serializer->supportsDenormalization(json_encode($data), 'stdClass', 'json'));
     }
 
     public function testDeserializeNotSupportedMissing()
     {
-        $this->serializer = new Serializer(array(), array());
+        $serializer = new Serializer(array(), array());
         $data = array('title' => 'foo', 'numbers' => array(5, 3));
-        $this->assertFalse($this->serializer->supportsDenormalization(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json'));
+        $this->assertFalse($serializer->supportsDenormalization(json_encode($data), '\Symfony\Component\Serializer\Tests\Model', 'json'));
     }
 
     public function testEncode()
     {
-        $this->serializer = new Serializer(array(), array('json' => new JsonEncoder()));
+        $serializer = new Serializer(array(), array('json' => new JsonEncoder()));
         $data = array('foo', array(5, 3));
-        $result = $this->serializer->encode($data, 'json');
+        $result = $serializer->encode($data, 'json');
         $this->assertEquals(json_encode($data), $result);
     }
 
     public function testDecode()
     {
-        $this->serializer = new Serializer(array(), array('json' => new JsonEncoder()));
+        $serializer = new Serializer(array(), array('json' => new JsonEncoder()));
         $data = array('foo', array(5, 3));
-        $result = $this->serializer->decode(json_encode($data), 'json');
+        $result = $serializer->decode(json_encode($data), 'json');
         $this->assertEquals($data, $result);
     }
 }
diff --git a/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php b/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php
index d632d05d3f..e27f6f637f 100644
--- a/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php
+++ b/src/Symfony/Component/Validator/Validator/RecursiveContextualValidator.php
@@ -44,6 +44,16 @@ class RecursiveContextualValidator implements ContextualValidatorInterface
      */
     private $context;
 
+    /**
+     * @var string
+     */
+    private $defaultPropertyPath;
+
+    /**
+     * @var array
+     */
+    private $defaultGroups;
+
     /**
      * @var MetadataFactoryInterface
      */