diff --git a/src/Symfony/Bridge/Twig/Tests/Extension/ExpressionExtensionTest.php b/src/Symfony/Bridge/Twig/Tests/Extension/ExpressionExtensionTest.php
index 0c7cc1bd41..6d457e395b 100644
--- a/src/Symfony/Bridge/Twig/Tests/Extension/ExpressionExtensionTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/Extension/ExpressionExtensionTest.php
@@ -12,7 +12,6 @@
 namespace Symfony\Bridge\Twig\Tests\Extension;
 
 use Symfony\Bridge\Twig\Extension\ExpressionExtension;
-use Symfony\Component\ExpressionLanguage\Expression;
 
 class ExpressionExtensionTest extends \PHPUnit_Framework_TestCase
 {
diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
index 77ea285860..1342cc0fce 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php
@@ -23,7 +23,6 @@ use Symfony\Component\Config\Resource\DirectoryResource;
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 use Symfony\Component\Config\FileLocator;
-use Symfony\Component\Validator\Validation;
 
 /**
  * FrameworkExtension.
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php
index 3c1a233514..92bd30832a 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/FrameworkExtensionTest.php
@@ -18,7 +18,6 @@ use Symfony\Component\DependencyInjection\DefinitionDecorator;
 use Symfony\Component\DependencyInjection\Loader\ClosureLoader;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\Validator\Validation;
 
 abstract class FrameworkExtensionTest extends TestCase
 {
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/SessionController.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/SessionController.php
index bf22e63370..735178320f 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/SessionController.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/Bundle/TestBundle/Controller/SessionController.php
@@ -42,7 +42,7 @@ class SessionController extends ContainerAware
 
     public function logoutAction(Request $request)
     {
-        $request->getSession('session')->invalidate();
+        $request->getSession()->invalidate();
 
         return new Response('Session cleared.');
     }
diff --git a/src/Symfony/Bundle/SecurityBundle/Command/UserPasswordEncoderCommand.php b/src/Symfony/Bundle/SecurityBundle/Command/UserPasswordEncoderCommand.php
index 5dbd830a39..342ae79147 100644
--- a/src/Symfony/Bundle/SecurityBundle/Command/UserPasswordEncoderCommand.php
+++ b/src/Symfony/Bundle/SecurityBundle/Command/UserPasswordEncoderCommand.php
@@ -105,7 +105,7 @@ EOF
 
                 return 1;
             }
-            $passwordQuestion = $this->createPasswordQuestion($input, $output);
+            $passwordQuestion = $this->createPasswordQuestion();
             $password = $output->askQuestion($passwordQuestion);
         }
 
diff --git a/src/Symfony/Component/Console/Tests/Helper/LegacyDialogHelperTest.php b/src/Symfony/Component/Console/Tests/Helper/LegacyDialogHelperTest.php
index 3310e075bf..79bf7b172a 100644
--- a/src/Symfony/Component/Console/Tests/Helper/LegacyDialogHelperTest.php
+++ b/src/Symfony/Component/Console/Tests/Helper/LegacyDialogHelperTest.php
@@ -248,11 +248,6 @@ class LegacyDialogHelperTest extends \PHPUnit_Framework_TestCase
         return $output;
     }
 
-    private function hasStderrSupport()
-    {
-        return false === $this->isRunningOS400();
-    }
-
     private function hasSttyAvailable()
     {
         exec('stty 2>&1', $output, $exitcode);
diff --git a/src/Symfony/Component/Debug/Tests/DebugClassLoaderTest.php b/src/Symfony/Component/Debug/Tests/DebugClassLoaderTest.php
index 02005187bb..eeec0e0beb 100644
--- a/src/Symfony/Component/Debug/Tests/DebugClassLoaderTest.php
+++ b/src/Symfony/Component/Debug/Tests/DebugClassLoaderTest.php
@@ -13,7 +13,6 @@ namespace Symfony\Component\Debug\Tests;
 
 use Symfony\Component\Debug\DebugClassLoader;
 use Symfony\Component\Debug\ErrorHandler;
-use Symfony\Component\Debug\Exception\ContextErrorException;
 
 class DebugClassLoaderTest extends \PHPUnit_Framework_TestCase
 {
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/ResolveReferencesToAliasesPass.php b/src/Symfony/Component/DependencyInjection/Compiler/ResolveReferencesToAliasesPass.php
index a1ba8a2732..fed851a88d 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/ResolveReferencesToAliasesPass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/ResolveReferencesToAliasesPass.php
@@ -12,7 +12,6 @@
 namespace Symfony\Component\DependencyInjection\Compiler;
 
 use Symfony\Component\DependencyInjection\Alias;
-use Symfony\Component\DependencyInjection\Definition;
 use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Compiler/ReplaceAliasByActualDefinitionPassTest.php b/src/Symfony/Component/DependencyInjection/Tests/Compiler/ReplaceAliasByActualDefinitionPassTest.php
index 7cb63c6613..1b2ec6bd76 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Compiler/ReplaceAliasByActualDefinitionPassTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Compiler/ReplaceAliasByActualDefinitionPassTest.php
@@ -51,7 +51,7 @@ class ReplaceAliasByActualDefinitionPassTest extends \PHPUnit_Framework_TestCase
         $this->assertSame('b_alias', $aDefinition->getFactoryService(false));
         $this->assertTrue($container->has('container'));
 
-        $resolvedFactory = $aDefinition->getFactory(false);
+        $resolvedFactory = $aDefinition->getFactory();
         $this->assertSame('b_alias', (string) $resolvedFactory[0]);
     }
 
diff --git a/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php b/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php
index b066b4e611..7870c40ea9 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php
@@ -100,7 +100,7 @@ class ContainerBuilderTest extends \PHPUnit_Framework_TestCase
         try {
             @$builder->get('baz');
             $this->fail('->get() throws a ServiceCircularReferenceException if the service has a circular reference to itself');
-        } catch (\Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException $e) {
+        } catch (ServiceCircularReferenceException $e) {
             $this->assertEquals('Circular reference detected for service "baz", path: "baz".', $e->getMessage(), '->get() throws a LogicException if the service has a circular reference to itself');
         }
 
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/legacy-container9.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/legacy-container9.php
index 9f4210c9d5..06b4e83b15 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/legacy-container9.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/containers/legacy-container9.php
@@ -4,7 +4,6 @@ require_once __DIR__.'/../includes/classes.php';
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\ExpressionLanguage\Expression;
 
 $container = new ContainerBuilder();
 $container->
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Loader/XmlFileLoaderTest.php b/src/Symfony/Component/DependencyInjection/Tests/Loader/XmlFileLoaderTest.php
index e2a097b182..2de5915f4e 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Loader/XmlFileLoaderTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Loader/XmlFileLoaderTest.php
@@ -13,7 +13,6 @@ namespace Symfony\Component\DependencyInjection\Tests\Loader;
 
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
 use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
diff --git a/src/Symfony/Component/DomCrawler/Tests/FormTest.php b/src/Symfony/Component/DomCrawler/Tests/FormTest.php
index 3035e8d371..91e87cc25d 100644
--- a/src/Symfony/Component/DomCrawler/Tests/FormTest.php
+++ b/src/Symfony/Component/DomCrawler/Tests/FormTest.php
@@ -13,7 +13,6 @@ namespace Symfony\Component\DomCrawler\Tests;
 
 use Symfony\Component\DomCrawler\Form;
 use Symfony\Component\DomCrawler\FormFieldRegistry;
-use Symfony\Component\DomCrawler\Field;
 
 class FormTest extends \PHPUnit_Framework_TestCase
 {
diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/Type/CollectionTypeTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/Type/CollectionTypeTest.php
index fe4543e844..c69679a475 100644
--- a/src/Symfony/Component/Form/Tests/Extension/Core/Type/CollectionTypeTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/Core/Type/CollectionTypeTest.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\Form\Tests\Extension\Core\Type;
 
-use Symfony\Component\Form\Form;
 use Symfony\Component\Form\Tests\Fixtures\Author;
 use Symfony\Component\Form\Tests\Fixtures\AuthorType;
 
diff --git a/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/Handler/LegacyPdoSessionHandlerTest.php b/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/Handler/LegacyPdoSessionHandlerTest.php
index 4efb33cd09..f8497f53ec 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/Handler/LegacyPdoSessionHandlerTest.php
+++ b/src/Symfony/Component/HttpFoundation/Tests/Session/Storage/Handler/LegacyPdoSessionHandlerTest.php
@@ -58,7 +58,7 @@ class LegacyPdoSessionHandlerTest extends \PHPUnit_Framework_TestCase
     {
         $storage = new LegacyPdoSessionHandler($this->pdo, array('db_table' => 'bad_name'));
         $this->setExpectedException('RuntimeException');
-        $storage->read('foo', 'bar');
+        $storage->read('foo');
     }
 
     public function testWriteRead()
diff --git a/src/Symfony/Component/HttpKernel/Tests/EventListener/LocaleListenerTest.php b/src/Symfony/Component/HttpKernel/Tests/EventListener/LocaleListenerTest.php
index ecc4eb0276..30c823c83c 100644
--- a/src/Symfony/Component/HttpKernel/Tests/EventListener/LocaleListenerTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/EventListener/LocaleListenerTest.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\HttpKernel\Tests\EventListener;
 
-use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\EventListener\LocaleListener;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
diff --git a/src/Symfony/Component/HttpKernel/Tests/EventListener/RouterListenerTest.php b/src/Symfony/Component/HttpKernel/Tests/EventListener/RouterListenerTest.php
index 5b77d8bb94..122fe2f76a 100644
--- a/src/Symfony/Component/HttpKernel/Tests/EventListener/RouterListenerTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/EventListener/RouterListenerTest.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\HttpKernel\Tests\EventListener;
 
-use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\EventListener\RouterListener;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
diff --git a/src/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionPresentBundle/Command/BarCommand.php b/src/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionPresentBundle/Command/BarCommand.php
index f3fd14b55d..977976b75f 100644
--- a/src/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionPresentBundle/Command/BarCommand.php
+++ b/src/Symfony/Component/HttpKernel/Tests/Fixtures/ExtensionPresentBundle/Command/BarCommand.php
@@ -3,7 +3,6 @@
 namespace Symfony\Component\HttpKernel\Tests\Fixtures\ExtensionPresentBundle\Command;
 
 use Symfony\Component\Console\Command\Command;
-use Symfony\Component\HttpKernel\Bundle;
 
 /**
  * This command has a required parameter on the constructor and will be ignored by the default Bundle implementation.
diff --git a/src/Symfony/Component/Intl/Tests/NumberFormatter/AbstractNumberFormatterTest.php b/src/Symfony/Component/Intl/Tests/NumberFormatter/AbstractNumberFormatterTest.php
index 9eb7868442..e424b715fc 100644
--- a/src/Symfony/Component/Intl/Tests/NumberFormatter/AbstractNumberFormatterTest.php
+++ b/src/Symfony/Component/Intl/Tests/NumberFormatter/AbstractNumberFormatterTest.php
@@ -656,7 +656,7 @@ abstract class AbstractNumberFormatterTest extends \PHPUnit_Framework_TestCase
     {
         $formatter = $this->getNumberFormatter('en', NumberFormatter::DECIMAL);
         $parsedValue = $formatter->parse($value, NumberFormatter::TYPE_INT32);
-        $this->assertSame($expected, $parsedValue);
+        $this->assertSame($expected, $parsedValue, $message);
     }
 
     public function parseTypeInt32Provider()
diff --git a/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorArrayAccessTest.php b/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorArrayAccessTest.php
index a253d4030f..07f44f19d8 100644
--- a/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorArrayAccessTest.php
+++ b/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorArrayAccessTest.php
@@ -81,6 +81,6 @@ abstract class PropertyAccessorArrayAccessTest extends \PHPUnit_Framework_TestCa
      */
     public function testIsWritable($collection, $path)
     {
-        $this->assertTrue($this->propertyAccessor->isWritable($collection, $path, 'Updated'));
+        $this->assertTrue($this->propertyAccessor->isWritable($collection, $path));
     }
 }
diff --git a/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorCollectionTest.php b/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorCollectionTest.php
index 17518468eb..ad87687bc0 100644
--- a/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorCollectionTest.php
+++ b/src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorCollectionTest.php
@@ -166,33 +166,25 @@ abstract class PropertyAccessorCollectionTest extends PropertyAccessorArrayAcces
     public function testIsWritableReturnsTrueIfAdderAndRemoverExists()
     {
         $car = $this->getMock(__CLASS__.'_Car');
-        $axes = $this->getContainer(array(1 => 'first', 2 => 'second', 3 => 'third'));
-
-        $this->assertTrue($this->propertyAccessor->isWritable($car, 'axes', $axes));
+        $this->assertTrue($this->propertyAccessor->isWritable($car, 'axes'));
     }
 
     public function testIsWritableReturnsFalseIfOnlyAdderExists()
     {
         $car = $this->getMock(__CLASS__.'_CarOnlyAdder');
-        $axes = $this->getContainer(array(1 => 'first', 2 => 'second', 3 => 'third'));
-
-        $this->assertFalse($this->propertyAccessor->isWritable($car, 'axes', $axes));
+        $this->assertFalse($this->propertyAccessor->isWritable($car, 'axes'));
     }
 
     public function testIsWritableReturnsFalseIfOnlyRemoverExists()
     {
         $car = $this->getMock(__CLASS__.'_CarOnlyRemover');
-        $axes = $this->getContainer(array(1 => 'first', 2 => 'second', 3 => 'third'));
-
-        $this->assertFalse($this->propertyAccessor->isWritable($car, 'axes', $axes));
+        $this->assertFalse($this->propertyAccessor->isWritable($car, 'axes'));
     }
 
     public function testIsWritableReturnsFalseIfNoAdderNorRemoverExists()
     {
         $car = $this->getMock(__CLASS__.'_CarNoAdderAndRemover');
-        $axes = $this->getContainer(array(1 => 'first', 2 => 'second', 3 => 'third'));
-
-        $this->assertFalse($this->propertyAccessor->isWritable($car, 'axes', $axes));
+        $this->assertFalse($this->propertyAccessor->isWritable($car, 'axes'));
     }
 
     /**
diff --git a/src/Symfony/Component/Security/Core/Tests/LegacySecurityContextTest.php b/src/Symfony/Component/Security/Core/Tests/LegacySecurityContextTest.php
index 92d7c163a7..fbb847eed5 100644
--- a/src/Symfony/Component/Security/Core/Tests/LegacySecurityContextTest.php
+++ b/src/Symfony/Component/Security/Core/Tests/LegacySecurityContextTest.php
@@ -11,8 +11,6 @@
 
 namespace Symfony\Component\Security\Core\Tests;
 
-use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage;
-use Symfony\Component\Security\Core\Authorization\AuthorizationChecker;
 use Symfony\Component\Security\Core\SecurityContext;
 
 /**
diff --git a/src/Symfony/Component/Templating/Tests/DelegatingEngineTest.php b/src/Symfony/Component/Templating/Tests/DelegatingEngineTest.php
index 368723c884..e9cb5fc472 100644
--- a/src/Symfony/Component/Templating/Tests/DelegatingEngineTest.php
+++ b/src/Symfony/Component/Templating/Tests/DelegatingEngineTest.php
@@ -121,7 +121,7 @@ class DelegatingEngineTest extends \PHPUnit_Framework_TestCase
         $secondEngine = $this->getEngineMock('template.php', false);
 
         $delegatingEngine = new DelegatingEngine(array($firstEngine, $secondEngine));
-        $delegatingEngine->getEngine('template.php', array('foo' => 'bar'));
+        $delegatingEngine->getEngine('template.php');
     }
 
     private function getEngineMock($template, $supports)
diff --git a/src/Symfony/Component/Translation/Tests/PluralizationRulesTest.php b/src/Symfony/Component/Translation/Tests/PluralizationRulesTest.php
index 8ce2c58def..78bbc87eec 100644
--- a/src/Symfony/Component/Translation/Tests/PluralizationRulesTest.php
+++ b/src/Symfony/Component/Translation/Tests/PluralizationRulesTest.php
@@ -37,7 +37,7 @@ class PluralizationRulesTest extends \PHPUnit_Framework_TestCase
      */
     public function testFailedLangcodes($nplural, $langCodes)
     {
-        $matrix = $this->generateTestData($nplural, $langCodes);
+        $matrix = $this->generateTestData($langCodes);
         $this->validateMatrix($nplural, $matrix, false);
     }
 
@@ -46,7 +46,7 @@ class PluralizationRulesTest extends \PHPUnit_Framework_TestCase
      */
     public function testLangcodes($nplural, $langCodes)
     {
-        $matrix = $this->generateTestData($nplural, $langCodes);
+        $matrix = $this->generateTestData($langCodes);
         $this->validateMatrix($nplural, $matrix);
     }
 
@@ -108,7 +108,7 @@ class PluralizationRulesTest extends \PHPUnit_Framework_TestCase
         }
     }
 
-    protected function generateTestData($plural, $langCodes)
+    protected function generateTestData($langCodes)
     {
         $matrix = array();
         foreach ($langCodes as $langCode) {