diff --git a/packages/Caching/ValueObject/Storage/FileCacheStorage.php b/packages/Caching/ValueObject/Storage/FileCacheStorage.php
index 7005b44e969..6f512d609ea 100644
--- a/packages/Caching/ValueObject/Storage/FileCacheStorage.php
+++ b/packages/Caching/ValueObject/Storage/FileCacheStorage.php
@@ -5,8 +5,8 @@ declare(strict_types=1);
 namespace Rector\Caching\ValueObject\Storage;
 
 use FilesystemIterator;
+use Nette\Utils\FileSystem;
 use Nette\Utils\Random;
-use PHPStan\File\FileWriter;
 use Rector\Caching\Contract\ValueObject\Storage\CacheStorageInterface;
 use Rector\Caching\ValueObject\CacheFilePaths;
 use Rector\Caching\ValueObject\CacheItem;
@@ -70,7 +70,7 @@ final class FileCacheStorage implements CacheStorageInterface
         }
 
         // for performance reasons we don't use SmartFileSystem
-        FileWriter::write($tmpPath, \sprintf("<?php declare(strict_types = 1);\n\nreturn %s;", $exported));
+        FileSystem::write($tmpPath, \sprintf("<?php declare(strict_types = 1);\n\nreturn %s;", $exported));
         $renameSuccess = @\rename($tmpPath, $path);
         if ($renameSuccess) {
             return;
diff --git a/phpstan.neon b/phpstan.neon
index c7c9c7bae64..0aa7ac51456 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -522,3 +522,7 @@ parameters:
         - '#Property Rector\\Transform\\Rector\\FuncCall\\ArgumentFuncCallToMethodCallRector\:\:\$arrayFunctionsToMethodCalls \(array<Rector\\Transform\\ValueObject\\ArrayFuncCallToMethodCall\>\) does not accept array<Rector\\Transform\\ValueObject\\ArgumentFuncCallToMethodCall\|Rector\\Transform\\ValueObject\\ArrayFuncCallToMethodCall\>#'
         - '#Property Rector\\Transform\\Rector\\FuncCall\\ArgumentFuncCallToMethodCallRector\:\:\$argumentFuncCallToMethodCalls \(array<Rector\\Transform\\ValueObject\\ArgumentFuncCallToMethodCall\>\) does not accept array<Rector\\Transform\\ValueObject\\ArgumentFuncCallToMethodCall\|Rector\\Transform\\ValueObject\\ArrayFuncCallToMethodCall\>#'
 
+        # use lighter service for performance reasons
+        -
+            path: packages/Caching/ValueObject/Storage/FileCacheStorage.php
+            message: '#Instead of "Nette\\Utils\\FileSystem" class/interface use "Symplify\\SmartFileSystem\\SmartFileSystem"#'