diff --git a/src/Config/RectorConfig.php b/src/Config/RectorConfig.php
index 0697c6ef53a..ac3ed8bcd80 100644
--- a/src/Config/RectorConfig.php
+++ b/src/Config/RectorConfig.php
@@ -7,7 +7,6 @@
 use Composer\Semver\Semver;
 use Deprecated;
 use Entropy\Container\Container;
-use Override;
 use Rector\Caching\Contract\ValueObject\Storage\CacheStorageInterface;
 use Rector\Composer\InstalledPackageResolver;
 use Rector\Configuration\Option;
diff --git a/src/VendorLocker/ParentClassMethodTypeOverrideGuard.php b/src/VendorLocker/ParentClassMethodTypeOverrideGuard.php
index 7e269c88868..c11b762200f 100644
--- a/src/VendorLocker/ParentClassMethodTypeOverrideGuard.php
+++ b/src/VendorLocker/ParentClassMethodTypeOverrideGuard.php
@@ -4,6 +4,8 @@
 
 namespace Rector\VendorLocker;
 
+use PhpParser\Node\Stmt\Class_;
+use PhpParser\Node\Stmt\Interface_;
 use PhpParser\Node;
 use PhpParser\Node\Stmt\ClassMethod;
 use PHPStan\Reflection\ClassReflection;
@@ -38,7 +40,7 @@ public function __construct(
      * classes, so type-declaration rules must leave it untouched. Final classes are never guarded,
      * as they cannot be extended.
      */
-    public function isTypeGuardedClass(Node\Stmt\Class_|Node\Stmt\Interface_|ClassMethod $node): bool
+    public function isTypeGuardedClass(Class_|Interface_|ClassMethod $node): bool
     {
         $guardedClasses = SimpleParameterProvider::provideArrayParameter(Option::TYPE_GUARDED_CLASSES);
         if ($guardedClasses === []) {
diff --git a/tests/Issues/AddClassDependency/AddClassDependencyTest.php b/tests/Issues/AddClassDependency/AddClassDependencyTest.php
deleted file mode 100644
index 6cc977287ad..00000000000
--- a/tests/Issues/AddClassDependency/AddClassDependencyTest.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\Tests\Issues\AddClassDependency;
-
-use Iterator;
-use PHPUnit\Framework\Attributes\DataProvider;
-use Rector\Testing\PHPUnit\AbstractRectorTestCase;
-
-final class AddClassDependencyTest extends AbstractRectorTestCase
-{
-    #[DataProvider('provideData')]
-    public function test(string $filePath): void
-    {
-        $this->doTestFile($filePath);
-    }
-
-    public static function provideData(): Iterator
-    {
-        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
-    }
-
-    public function provideConfigFilePath(): string
-    {
-        return __DIR__ . '/config/configured_rule.php';
-    }
-}
diff --git a/tests/Issues/AddClassDependency/Fixture/fixture.php.inc b/tests/Issues/AddClassDependency/Fixture/fixture.php.inc
deleted file mode 100644
index a57efc90db8..00000000000
--- a/tests/Issues/AddClassDependency/Fixture/fixture.php.inc
+++ /dev/null
@@ -1,57 +0,0 @@
-<?php
-
-namespace Rector\Tests\Issues\AddClassDependency\Fixture;
-
-use Rector\Tests\Issues\AddClassDependency\Source\SomeAutowiredService;
-use Symfony\Bundle\FrameworkBundle\Controller\Controller;
-
-class PreferRequiredSetter extends Controller
-{
-    private SomeAutowiredService $someAutowiredService;
-
-    /**
-     * @required
-     */
-    public function autowire(
-        SomeAutowiredService $someAutowiredService,
-    ) {
-        $this->someAutowiredService = $someAutowiredService;
-    }
-
-    public function configure()
-    {
-        $someType = $this->get('validator');
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Issues\AddClassDependency\Fixture;
-
-use Rector\Tests\Issues\AddClassDependency\Source\SomeAutowiredService;
-use Symfony\Bundle\FrameworkBundle\Controller\Controller;
-
-class PreferRequiredSetter extends Controller
-{
-    private SomeAutowiredService $someAutowiredService;
-    private \Symfony\Component\Validator\Validator\ValidatorInterface $validator;
-
-    /**
-     * @required
-     */
-    public function autowire(
-        SomeAutowiredService $someAutowiredService, \Symfony\Component\Validator\Validator\ValidatorInterface $validator,
-    ) {
-        $this->someAutowiredService = $someAutowiredService;
-        $this->validator = $validator;
-    }
-
-    public function configure()
-    {
-        $someType = $this->validator;
-    }
-}
-
-?>
diff --git a/tests/Issues/AddClassDependency/Fixture/strick_with_constructor.php.inc b/tests/Issues/AddClassDependency/Fixture/strick_with_constructor.php.inc
deleted file mode 100644
index 11e65dfb871..00000000000
--- a/tests/Issues/AddClassDependency/Fixture/strick_with_constructor.php.inc
+++ /dev/null
@@ -1,43 +0,0 @@
-<?php
-
-namespace Rector\Tests\Issues\AddClassDependency\Fixture;
-
-use Rector\Tests\Issues\AddClassDependency\Source\SomeAutowiredService;
-use Symfony\Bundle\FrameworkBundle\Controller\Controller;
-
-final class StickWithConstructor extends Controller
-{
-    public function __construct(
-        private SomeAutowiredService $someAutowiredService,
-    ) {
-    }
-
-    public function configure()
-    {
-        $someType = $this->get('validator');
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Issues\AddClassDependency\Fixture;
-
-use Rector\Tests\Issues\AddClassDependency\Source\SomeAutowiredService;
-use Symfony\Bundle\FrameworkBundle\Controller\Controller;
-
-final class StickWithConstructor extends Controller
-{
-    public function __construct(
-        private SomeAutowiredService $someAutowiredService, private readonly \Symfony\Component\Validator\Validator\ValidatorInterface $validator,
-    ) {
-    }
-
-    public function configure()
-    {
-        $someType = $this->validator;
-    }
-}
-
-?>
diff --git a/tests/Issues/AddClassDependency/Source/SomeAutowiredService.php b/tests/Issues/AddClassDependency/Source/SomeAutowiredService.php
deleted file mode 100644
index 8c4ca1776e4..00000000000
--- a/tests/Issues/AddClassDependency/Source/SomeAutowiredService.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\Tests\Issues\AddClassDependency\Source;
-
-final class SomeAutowiredService
-{
-}
diff --git a/tests/Issues/AddClassDependency/config/configured_rule.php b/tests/Issues/AddClassDependency/config/configured_rule.php
deleted file mode 100644
index 1b1b9d6ab23..00000000000
--- a/tests/Issues/AddClassDependency/config/configured_rule.php
+++ /dev/null
@@ -1,9 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use Rector\Config\RectorConfig;
-use Rector\Symfony\DependencyInjection\Rector\Class_\GetBySymfonyStringToConstructorInjectionRector;
-
-return RectorConfig::configure()
-    ->withRules([GetBySymfonyStringToConstructorInjectionRector::class]);
diff --git a/tests/Issues/ConstructorPromoAnnotationToAttribute/ConstructorPromoAnnotationToAttributeTest.php b/tests/Issues/ConstructorPromoAnnotationToAttribute/ConstructorPromoAnnotationToAttributeTest.php
deleted file mode 100644
index 9842ae4271c..00000000000
--- a/tests/Issues/ConstructorPromoAnnotationToAttribute/ConstructorPromoAnnotationToAttributeTest.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\Tests\Issues\ConstructorPromoAnnotationToAttribute;
-
-use Iterator;
-use PHPUnit\Framework\Attributes\DataProvider;
-use Rector\Testing\PHPUnit\AbstractRectorTestCase;
-
-final class ConstructorPromoAnnotationToAttributeTest extends AbstractRectorTestCase
-{
-    #[DataProvider('provideData')]
-    public function test(string $filePath): void
-    {
-        $this->doTestFile($filePath);
-    }
-
-    public static function provideData(): Iterator
-    {
-        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
-    }
-
-    public function provideConfigFilePath(): string
-    {
-        return __DIR__ . '/config/configured_rule.php';
-    }
-}
diff --git a/tests/Issues/ConstructorPromoAnnotationToAttribute/Fixture/fixture.php.inc b/tests/Issues/ConstructorPromoAnnotationToAttribute/Fixture/fixture.php.inc
deleted file mode 100644
index 0d50e53ab52..00000000000
--- a/tests/Issues/ConstructorPromoAnnotationToAttribute/Fixture/fixture.php.inc
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php
-
-namespace Rector\Tests\Issues\ConstructorPromoAnnotationToAttribute\Fixture;
-
-use OpenApi\Annotations as OA;
-
-class TestResponse
-{
-    /**
-     * @OA\Property(
-     *     type="array",
-     *     @OA\Items(ref=@Model(type=TestItem::class))
-     * )
-     */
-    public array $items;
-
-    public function __construct(array $items = [])
-    {
-        $this->items = $items;
-    }
-}
-?>
------
-<?php
-
-namespace Rector\Tests\Issues\ConstructorPromoAnnotationToAttribute\Fixture;
-
-use OpenApi\Annotations as OA;
-
-class TestResponse
-{
-    public function __construct(
-        /**
-         * @OA\Property(
-         *     type="array",
-         *     @OA\Items(ref=@Model(type=TestItem::class))
-         * )
-         */
-        public array $items = []
-    )
-    {
-    }
-}
-?>
diff --git a/tests/Issues/ConstructorPromoAnnotationToAttribute/config/configured_rule.php b/tests/Issues/ConstructorPromoAnnotationToAttribute/config/configured_rule.php
deleted file mode 100644
index 3d2b7a54895..00000000000
--- a/tests/Issues/ConstructorPromoAnnotationToAttribute/config/configured_rule.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use Rector\Config\RectorConfig;
-use Rector\Php80\Rector\Class_\AnnotationToAttributeRector;
-use Rector\Php80\Rector\Class_\ClassPropertyAssignToConstructorPromotionRector;
-use Rector\Php80\ValueObject\AnnotationToAttribute;
-
-return static function (RectorConfig $rectorConfig): void {
-    $rectorConfig->rule(ClassPropertyAssignToConstructorPromotionRector::class);
-    $rectorConfig->ruleWithConfiguration(AnnotationToAttributeRector::class, [
-        new AnnotationToAttribute('OldTag', 'NewAttribute'),
-    ]);
-};
diff --git a/tests/Issues/Issue6420/Fixture/fixture.php.inc b/tests/Issues/Issue6420/Fixture/fixture.php.inc
deleted file mode 100644
index 3afa09ada7a..00000000000
--- a/tests/Issues/Issue6420/Fixture/fixture.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\Issues\Issue6420\Fixture;
-
-class Fixture
-{
-    public function someMethod()
-    {
-        preg_replace('//', 'foo', 'bar');
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\Issues\Issue6420\Fixture;
-
-class Fixture
-{
-    public function someMethod()
-    {
-        \Safe\preg_replace('//', 'foo', 'bar');
-    }
-}
-
-?>
diff --git a/tests/Issues/Issue6420/RenameFunctionWithRemoveDeadStmtRectorTest.php b/tests/Issues/Issue6420/RenameFunctionWithRemoveDeadStmtRectorTest.php
deleted file mode 100644
index 22a723b7d55..00000000000
--- a/tests/Issues/Issue6420/RenameFunctionWithRemoveDeadStmtRectorTest.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Rector\Tests\Issues\Issue6420;
-
-use Iterator;
-use PHPUnit\Framework\Attributes\DataProvider;
-use Rector\Testing\PHPUnit\AbstractRectorTestCase;
-
-/**
- * @see https://github.com/rectorphp/rector/issues/6420
- */
-final class RenameFunctionWithRemoveDeadStmtRectorTest extends AbstractRectorTestCase
-{
-    #[DataProvider('provideData')]
-    public function test(string $filePath): void
-    {
-        $this->doTestFile($filePath);
-    }
-
-    public static function provideData(): Iterator
-    {
-        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
-    }
-
-    public function provideConfigFilePath(): string
-    {
-        return __DIR__ . '/config/configured_rule.php';
-    }
-}
diff --git a/tests/Issues/Issue6420/config/configured_rule.php b/tests/Issues/Issue6420/config/configured_rule.php
deleted file mode 100644
index c1c5b84d400..00000000000
--- a/tests/Issues/Issue6420/config/configured_rule.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-use Rector\Config\RectorConfig;
-use Rector\DeadCode\Rector\Expression\RemoveDeadStmtRector;
-use Rector\Renaming\Rector\FuncCall\RenameFunctionRector;
-
-return static function (RectorConfig $rectorConfig): void {
-    $rectorConfig->rule(RemoveDeadStmtRector::class);
-
-    $rectorConfig
-        ->ruleWithConfiguration(RenameFunctionRector::class, [
-            'preg_replace' => 'Safe\preg_replace',
-        ]);
-};