diff --git a/src/Symfony/Component/BrowserKit/Tests/AbstractBrowserTest.php b/src/Symfony/Component/BrowserKit/Tests/AbstractBrowserTest.php
index 3e10f9e0b5..79d47bebe1 100644
--- a/src/Symfony/Component/BrowserKit/Tests/AbstractBrowserTest.php
+++ b/src/Symfony/Component/BrowserKit/Tests/AbstractBrowserTest.php
@@ -12,13 +12,10 @@
 namespace Symfony\Component\BrowserKit\Tests;
 
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\BrowserKit\AbstractBrowser;
 use Symfony\Component\BrowserKit\Client;
 use Symfony\Component\BrowserKit\CookieJar;
 use Symfony\Component\BrowserKit\History;
 use Symfony\Component\BrowserKit\Response;
-use Symfony\Component\DomCrawler\Crawler;
-use Symfony\Component\DomCrawler\Form as DomCrawlerForm;
 
 class AbstractBrowserTest extends TestCase
 {
diff --git a/src/Symfony/Component/Form/Tests/Extension/DataCollector/FormDataExtractorTest.php b/src/Symfony/Component/Form/Tests/Extension/DataCollector/FormDataExtractorTest.php
index 7d76f79a45..efef29a7ba 100644
--- a/src/Symfony/Component/Form/Tests/Extension/DataCollector/FormDataExtractorTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/DataCollector/FormDataExtractorTest.php
@@ -15,8 +15,8 @@ use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\Form\CallbackTransformer;
 use Symfony\Component\Form\Exception\TransformationFailedException;
-use Symfony\Component\Form\Extension\DataCollector\FormDataExtractor;
 use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Component\Form\Extension\DataCollector\FormDataExtractor;
 use Symfony\Component\Form\FormBuilder;
 use Symfony\Component\Form\FormError;
 use Symfony\Component\Form\FormView;
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php b/src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php
index af8ea28501..a43f25e0e1 100644
--- a/src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/AbstractObjectNormalizerTest.php
@@ -171,12 +171,12 @@ class AbstractObjectNormalizerTest extends TestCase
                     );
                 }
 
-                throw new InvalidArgumentException;
+                throw new InvalidArgumentException();
             }
 
             public function hasMetadataFor($value): bool
             {
-                return $value === AbstractDummy::class;
+                return AbstractDummy::class === $value;
             }
         };
 
diff --git a/src/Symfony/Component/Serializer/Tests/SerializerTest.php b/src/Symfony/Component/Serializer/Tests/SerializerTest.php
index 0e79259844..96322faec8 100644
--- a/src/Symfony/Component/Serializer/Tests/SerializerTest.php
+++ b/src/Symfony/Component/Serializer/Tests/SerializerTest.php
@@ -401,7 +401,7 @@ class SerializerTest extends TestCase
 
             public function hasMetadataFor($value): bool
             {
-                return $value === AbstractDummy::class;
+                return AbstractDummy::class === $value;
             }
         };
 
diff --git a/src/Symfony/Component/Translation/Extractor/AbstractFileExtractor.php b/src/Symfony/Component/Translation/Extractor/AbstractFileExtractor.php
index c18b7b2e4f..618df73247 100644
--- a/src/Symfony/Component/Translation/Extractor/AbstractFileExtractor.php
+++ b/src/Symfony/Component/Translation/Extractor/AbstractFileExtractor.php
@@ -27,7 +27,7 @@ abstract class AbstractFileExtractor
      */
     protected function extractFiles($resource)
     {
-        if (\is_iterable($resource)) {
+        if (is_iterable($resource)) {
             $files = [];
             foreach ($resource as $file) {
                 if ($this->canBeExtracted($file)) {
diff --git a/src/Symfony/Component/Validator/ConstraintViolation.php b/src/Symfony/Component/Validator/ConstraintViolation.php
index d5fe5fe658..7cfd2ce307 100644
--- a/src/Symfony/Component/Validator/ConstraintViolation.php
+++ b/src/Symfony/Component/Validator/ConstraintViolation.php
@@ -35,15 +35,15 @@ class ConstraintViolation implements ConstraintViolationInterface
      * @param string|object $message         The violation message as a string or a stringable object
      * @param string        $messageTemplate The raw violation message
      * @param array         $parameters      The parameters to substitute in the
-     *                                     raw violation message
+     *                                       raw violation message
      * @param mixed         $root            The value originally passed to the
-     *                                     validator
+     *                                       validator
      * @param string        $propertyPath    The property path from the root
-     *                                     value to the invalid value
+     *                                       value to the invalid value
      * @param mixed         $invalidValue    The invalid value that caused this
-     *                                     violation
+     *                                       violation
      * @param int|null      $plural          The number for determining the plural
-     *                                     form when translating the message
+     *                                       form when translating the message
      * @param string|null   $code            The error code of the violation
      * @param mixed         $cause           The cause of the violation
      */