diff --git a/src/Symfony/Bridge/Doctrine/Form/DoctrineOrmTypeGuesser.php b/src/Symfony/Bridge/Doctrine/Form/DoctrineOrmTypeGuesser.php
index ebe4ccc920..1423e2e250 100644
--- a/src/Symfony/Bridge/Doctrine/Form/DoctrineOrmTypeGuesser.php
+++ b/src/Symfony/Bridge/Doctrine/Form/DoctrineOrmTypeGuesser.php
@@ -153,8 +153,6 @@ class DoctrineOrmTypeGuesser implements FormTypeGuesserInterface
     {
         $ret = $this->getMetadata($class);
         if ($ret && $ret[0]->hasField($property) && !$ret[0]->hasAssociation($property)) {
-            $mapping = $ret[0]->getFieldMapping($property);
-
             if (in_array($ret[0]->getTypeOfField($property), array('decimal', 'float'))) {
                 return new ValueGuess(null, Guess::MEDIUM_CONFIDENCE);
             }
diff --git a/src/Symfony/Bridge/Monolog/Processor/WebProcessor.php b/src/Symfony/Bridge/Monolog/Processor/WebProcessor.php
index aac05d26ef..d5ac5a5dc5 100644
--- a/src/Symfony/Bridge/Monolog/Processor/WebProcessor.php
+++ b/src/Symfony/Bridge/Monolog/Processor/WebProcessor.php
@@ -12,7 +12,6 @@
 namespace Symfony\Bridge\Monolog\Processor;
 
 use Monolog\Processor\WebProcessor as BaseWebProcessor;
-use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Event\GetResponseEvent;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/FragmentController.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/FragmentController.php
index 7c8a4b48ad..e03f70f25e 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/FragmentController.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/FragmentController.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\TestBundle\Controller;
 
-use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\DependencyInjection\ContainerAware;
 
diff --git a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
index 238c74cf5a..97b9dbe59e 100644
--- a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
+++ b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
@@ -240,7 +240,6 @@ class SecurityExtension extends Extension
     private function createFirewall(ContainerBuilder $container, $id, $firewall, &$authenticationProviders, $providerIds)
     {
         // Matcher
-        $i = 0;
         $matcher = null;
         if (isset($firewall['request_matcher'])) {
             $matcher = new Reference($firewall['request_matcher']);
diff --git a/src/Symfony/Bundle/TwigBundle/TokenParser/RenderTokenParser.php b/src/Symfony/Bundle/TwigBundle/TokenParser/RenderTokenParser.php
index 65ec8abdcc..884c5d0f4b 100644
--- a/src/Symfony/Bundle/TwigBundle/TokenParser/RenderTokenParser.php
+++ b/src/Symfony/Bundle/TwigBundle/TokenParser/RenderTokenParser.php
@@ -35,9 +35,7 @@ class RenderTokenParser extends \Twig_TokenParser
         // @deprecated in 2.2 and will be removed in 2.3
         if ($this->parser->getStream()->test(\Twig_Token::NAME_TYPE, 'with')) {
             $this->parser->getStream()->next();
-            $attributes = $this->parser->getExpressionParser()->parseExpression();
-        } else {
-            $attributes = new \Twig_Node_Expression_Array(array(), $token->getLine());
+            $this->parser->getExpressionParser()->parseExpression();
         }
 
         // options
diff --git a/src/Symfony/Component/Form/FormConfigBuilder.php b/src/Symfony/Component/Form/FormConfigBuilder.php
index 5d1f3a2331..380266e7be 100644
--- a/src/Symfony/Component/Form/FormConfigBuilder.php
+++ b/src/Symfony/Component/Form/FormConfigBuilder.php
@@ -12,7 +12,6 @@
 namespace Symfony\Component\Form;
 
 use Symfony\Component\Form\Exception\BadMethodCallException;
-use Symfony\Component\Form\Exception\Exception;
 use Symfony\Component\Form\Exception\UnexpectedTypeException;
 use Symfony\Component\PropertyAccess\PropertyPath;
 use Symfony\Component\PropertyAccess\PropertyPathInterface;
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/MockFileSessionStorage.php b/src/Symfony/Component/HttpFoundation/Session/Storage/MockFileSessionStorage.php
index 280630914a..f1a699b697 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/MockFileSessionStorage.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/MockFileSessionStorage.php
@@ -29,11 +29,6 @@ class MockFileSessionStorage extends MockArraySessionStorage
      */
     private $savePath;
 
-    /**
-     * @var array
-     */
-    private $sessionData;
-
     /**
      * Constructor.
      *
diff --git a/src/Symfony/Component/HttpKernel/DependencyInjection/ContainerAwareHttpKernel.php b/src/Symfony/Component/HttpKernel/DependencyInjection/ContainerAwareHttpKernel.php
index 20b4a5e75e..ead92bddd5 100644
--- a/src/Symfony/Component/HttpKernel/DependencyInjection/ContainerAwareHttpKernel.php
+++ b/src/Symfony/Component/HttpKernel/DependencyInjection/ContainerAwareHttpKernel.php
@@ -12,7 +12,6 @@
 namespace Symfony\Component\HttpKernel\DependencyInjection;
 
 use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\HttpKernel\HttpKernel;
 use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
diff --git a/src/Symfony/Component/HttpKernel/EventListener/EsiListener.php b/src/Symfony/Component/HttpKernel/EventListener/EsiListener.php
index 1176a73b4d..b90562b5d3 100644
--- a/src/Symfony/Component/HttpKernel/EventListener/EsiListener.php
+++ b/src/Symfony/Component/HttpKernel/EventListener/EsiListener.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\HttpKernel\EventListener;
 
-use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
 use Symfony\Component\HttpKernel\KernelEvents;
diff --git a/src/Symfony/Component/HttpKernel/Fragment/FragmentHandler.php b/src/Symfony/Component/HttpKernel/Fragment/FragmentHandler.php
index b4f3f9c1ee..3d071c4c9d 100644
--- a/src/Symfony/Component/HttpKernel/Fragment/FragmentHandler.php
+++ b/src/Symfony/Component/HttpKernel/Fragment/FragmentHandler.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\HttpKernel\Fragment;
 
-use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\StreamedResponse;
 use Symfony\Component\HttpKernel\Controller\ControllerReference;
diff --git a/src/Symfony/Component/HttpKernel/Tests/Fragment/HIncludeFragmentRendererTest.php b/src/Symfony/Component/HttpKernel/Tests/Fragment/HIncludeFragmentRendererTest.php
index 89bf12eb35..f1b99e966e 100644
--- a/src/Symfony/Component/HttpKernel/Tests/Fragment/HIncludeFragmentRendererTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/Fragment/HIncludeFragmentRendererTest.php
@@ -77,4 +77,4 @@ class HIncludeFragmentRendererTest extends \PHPUnit_Framework_TestCase
         $strategy = new HIncludeFragmentRenderer($engine);
         $this->assertEquals('<hx:include src="/foo">default</hx:include>', $strategy->render('/foo', Request::create('/'), array('default' => 'default'))->getContent());
     }
-}
\ No newline at end of file
+}
diff --git a/src/Symfony/Component/PropertyAccess/StringUtil.php b/src/Symfony/Component/PropertyAccess/StringUtil.php
index 7c0eadcacd..354d164a05 100644
--- a/src/Symfony/Component/PropertyAccess/StringUtil.php
+++ b/src/Symfony/Component/PropertyAccess/StringUtil.php
@@ -77,7 +77,7 @@ class StringUtil
 
         // moves (move)
         array('sevom', 5, true, true, 'move'),
-        
+
         // hooves (hoof), dwarves (dwarf), elves (elf), leaves (leaf)
         array('sev', 3, true, true, 'f'),
 
diff --git a/src/Symfony/Component/Routing/Matcher/Dumper/ApacheMatcherDumper.php b/src/Symfony/Component/Routing/Matcher/Dumper/ApacheMatcherDumper.php
index 804da19d54..895987c702 100644
--- a/src/Symfony/Component/Routing/Matcher/Dumper/ApacheMatcherDumper.php
+++ b/src/Symfony/Component/Routing/Matcher/Dumper/ApacheMatcherDumper.php
@@ -151,7 +151,7 @@ class ApacheMatcherDumper extends MatcherDumper
                 $allow[] = 'E=_ROUTING_allow_'.$method.':1';
             }
 
-            if ($hostRegex = $compiledRoute->getHostRegex()) {
+            if ($compiledRoute->getHostRegex()) {
                 $rule[] = sprintf("RewriteCond %%{ENV:__ROUTING_host_%s} =1", $hostRegexUnique);
             }
 
@@ -162,8 +162,7 @@ class ApacheMatcherDumper extends MatcherDumper
 
         // redirect with trailing slash appended
         if ($hasTrailingSlash) {
-
-            if ($hostRegex = $compiledRoute->getHostRegex()) {
+            if ($compiledRoute->getHostRegex()) {
                 $rule[] = sprintf("RewriteCond %%{ENV:__ROUTING_host_%s} =1", $hostRegexUnique);
             }
 
@@ -173,7 +172,7 @@ class ApacheMatcherDumper extends MatcherDumper
 
         // the main rule
 
-        if ($hostRegex = $compiledRoute->getHostRegex()) {
+        if ($compiledRoute->getHostRegex()) {
             $rule[] = sprintf("RewriteCond %%{ENV:__ROUTING_host_%s} =1", $hostRegexUnique);
         }
 
diff --git a/src/Symfony/Component/Security/Http/Firewall/AbstractPreAuthenticatedListener.php b/src/Symfony/Component/Security/Http/Firewall/AbstractPreAuthenticatedListener.php
index 28f6411f92..e248c6de5e 100644
--- a/src/Symfony/Component/Security/Http/Firewall/AbstractPreAuthenticatedListener.php
+++ b/src/Symfony/Component/Security/Http/Firewall/AbstractPreAuthenticatedListener.php
@@ -64,6 +64,7 @@ abstract class AbstractPreAuthenticatedListener implements ListenerInterface
             list($user, $credentials) = $this->getPreAuthenticatedData($request);
         } catch (BadCredentialsException $exception) {
             $this->clearToken();
+
             return;
         }
 
diff --git a/src/Symfony/Component/Translation/Loader/MoFileLoader.php b/src/Symfony/Component/Translation/Loader/MoFileLoader.php
index 9d1cacb36e..88c397cf2f 100644
--- a/src/Symfony/Component/Translation/Loader/MoFileLoader.php
+++ b/src/Symfony/Component/Translation/Loader/MoFileLoader.php
@@ -100,12 +100,15 @@ class MoFileLoader extends ArrayLoader implements LoaderInterface
             throw new InvalidResourceException("MO stream content has an invalid format.");
         }
 
-        $formatRevision = $this->readLong($stream, $isBigEndian);
+        // formatRevision
+        $this->readLong($stream, $isBigEndian);
         $count = $this->readLong($stream, $isBigEndian);
         $offsetId = $this->readLong($stream, $isBigEndian);
         $offsetTranslated = $this->readLong($stream, $isBigEndian);
-        $sizeHashes = $this->readLong($stream, $isBigEndian);
-        $offsetHashes = $this->readLong($stream, $isBigEndian);
+        // sizeHashes
+        $this->readLong($stream, $isBigEndian);
+        // offsetHashes
+        $this->readLong($stream, $isBigEndian);
 
         $messages = array();
 
diff --git a/src/Symfony/Component/Validator/Tests/ExecutionContextTest.php b/src/Symfony/Component/Validator/Tests/ExecutionContextTest.php
index abdf6de985..dd0fa846a5 100644
--- a/src/Symfony/Component/Validator/Tests/ExecutionContextTest.php
+++ b/src/Symfony/Component/Validator/Tests/ExecutionContextTest.php
@@ -414,7 +414,7 @@ class ExecutionContextTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals('bam.baz', $this->context->getPropertyPath('bam.baz'));
     }
-    
+
     public function testGetPropertyPathWithNestedCollectionsMixed()
     {
         $constraints = new Collection(array(
@@ -424,13 +424,13 @@ class ExecutionContextTest extends \PHPUnit_Framework_TestCase
              )),
             'name' => new ConstraintA()
         ));
-     
+
         $visitor = new ValidationVisitor('Root', $this->metadataFactory, new ConstraintValidatorFactory(), $this->translator);
         $context = new ExecutionContext($visitor, $this->translator, self::TRANS_DOMAIN);
         $context->validateValue(array('foo' => array('foo' => 'VALID')), $constraints);
         $violations = $context->getViolations();
-        
-        $this->assertEquals('[name]', $violations[1]->getPropertyPath());        
+
+        $this->assertEquals('[name]', $violations[1]->getPropertyPath());
     }
 }
 
diff --git a/src/Symfony/Component/Validator/Tests/GraphWalkerTest.php b/src/Symfony/Component/Validator/Tests/GraphWalkerTest.php
index d9419f1967..b151bd162a 100644
--- a/src/Symfony/Component/Validator/Tests/GraphWalkerTest.php
+++ b/src/Symfony/Component/Validator/Tests/GraphWalkerTest.php
@@ -581,7 +581,7 @@ class GraphWalkerTest extends \PHPUnit_Framework_TestCase
         $violations = $this->walker->getViolations();
         $this->assertEquals('collection[foo][bar]', $violations[0]->getPropertyPath());
     }
-    
+
     public function testWalkObjectUsesCorrectPropertyPathInViolationsWhenUsingNestedMixedCollections()
     {
         $constraint = new Collection(array(