diff --git a/packages/NodeTypeResolver/Reflection/BetterReflection/SourceLocatorProvider/DynamicSourceLocatorProvider.php b/packages/NodeTypeResolver/Reflection/BetterReflection/SourceLocatorProvider/DynamicSourceLocatorProvider.php
index d7722cbf8bd..26bbd4bc337 100644
--- a/packages/NodeTypeResolver/Reflection/BetterReflection/SourceLocatorProvider/DynamicSourceLocatorProvider.php
+++ b/packages/NodeTypeResolver/Reflection/BetterReflection/SourceLocatorProvider/DynamicSourceLocatorProvider.php
@@ -10,13 +10,14 @@
 use PHPStan\Reflection\BetterReflection\SourceLocator\FileNodesFetcher;
 use PHPStan\Reflection\BetterReflection\SourceLocator\OptimizedDirectorySourceLocator;
 use PHPStan\Reflection\BetterReflection\SourceLocator\OptimizedSingleFileSourceLocator;
+use Rector\Core\Contract\DependencyInjection\ResetableInterface;
 use Rector\Testing\PHPUnit\StaticPHPUnitEnvironment;
 use Webmozart\Assert\Assert;
 
 /**
  * @api phpstan external
  */
-final class DynamicSourceLocatorProvider
+final class DynamicSourceLocatorProvider implements ResetableInterface
 {
     /**
      * @var string[]
diff --git a/src/Configuration/RenamedClassesDataCollector.php b/src/Configuration/RenamedClassesDataCollector.php
index b37bc37d5e3..5f75aebc798 100644
--- a/src/Configuration/RenamedClassesDataCollector.php
+++ b/src/Configuration/RenamedClassesDataCollector.php
@@ -5,8 +5,9 @@
 namespace Rector\Core\Configuration;
 
 use PHPStan\Type\ObjectType;
+use Rector\Core\Contract\DependencyInjection\ResetableInterface;
 
-final class RenamedClassesDataCollector
+final class RenamedClassesDataCollector implements ResetableInterface
 {
     /**
      * @var array<string, string>
@@ -55,4 +56,9 @@ public function getOldClasses(): array
     {
         return array_keys($this->oldToNewClasses);
     }
+
+    public function reset(): void
+    {
+        $this->oldToNewClasses = [];
+    }
 }
diff --git a/src/Contract/DependencyInjection/ResetableInterface.php b/src/Contract/DependencyInjection/ResetableInterface.php
new file mode 100644
index 00000000000..503dd26eb91
--- /dev/null
+++ b/src/Contract/DependencyInjection/ResetableInterface.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Core\Contract\DependencyInjection;
+
+interface ResetableInterface
+{
+    public function reset(): void;
+}
diff --git a/src/DependencyInjection/LazyContainerFactory.php b/src/DependencyInjection/LazyContainerFactory.php
index 211612bee51..951fc3720c0 100644
--- a/src/DependencyInjection/LazyContainerFactory.php
+++ b/src/DependencyInjection/LazyContainerFactory.php
@@ -48,6 +48,7 @@
 use Rector\Core\Application\FileProcessor\PhpFileProcessor;
 use Rector\Core\Configuration\ConfigInitializer;
 use Rector\Core\Configuration\CurrentNodeProvider;
+use Rector\Core\Configuration\RenamedClassesDataCollector;
 use Rector\Core\Console\Command\ListRulesCommand;
 use Rector\Core\Console\Command\ProcessCommand;
 use Rector\Core\Console\Command\SetupCICommand;
@@ -56,6 +57,7 @@
 use Rector\Core\Console\Output\OutputFormatterCollector;
 use Rector\Core\Console\Style\RectorStyle;
 use Rector\Core\Console\Style\SymfonyStyleFactory;
+use Rector\Core\Contract\DependencyInjection\ResetableInterface;
 use Rector\Core\Contract\Processor\FileProcessorInterface;
 use Rector\Core\Contract\Rector\PhpRectorInterface;
 use Rector\Core\Contract\Rector\RectorInterface;
@@ -465,6 +467,10 @@ static function (Container $container): DynamicSourceLocatorProvider {
             }
         );
 
+        // resetables
+        $lazyRectorConfig->tag(DynamicSourceLocatorProvider::class, ResetableInterface::class);
+        $lazyRectorConfig->tag(RenamedClassesDataCollector::class, ResetableInterface::class);
+
         // caching
         $lazyRectorConfig->singleton(Cache::class, static function (Container $container): Cache {
             /** @var CacheFactory $cacheFactory */