diff --git a/src/Translator/.gitignore b/src/Translator/.gitignore
index 2cc9f0231c3..1784dd6561c 100644
--- a/src/Translator/.gitignore
+++ b/src/Translator/.gitignore
@@ -3,3 +3,5 @@
 /composer.lock
 /phpunit.xml
 /.phpunit.result.cache
+
+/var
diff --git a/src/Translator/src/TranslationsDumper.php b/src/Translator/src/TranslationsDumper.php
index a986c7c05c9..5ffa0fe43ba 100644
--- a/src/Translator/src/TranslationsDumper.php
+++ b/src/Translator/src/TranslationsDumper.php
@@ -34,6 +34,7 @@ class TranslationsDumper
 {
     private array $excludedDomains = [];
     private array $includedDomains = [];
+    private array $alreadyGeneratedConstants = [];
 
     public function __construct(
         private string $dumpDir,
@@ -184,16 +185,14 @@ private function getLocaleFallbacks(MessageCatalogueInterface ...$catalogues): a
 
     private function generateConstantName(string $translationId): string
     {
-        static $alreadyGenerated = [];
-
         $translationId = s($translationId)->ascii()->snake()->upper()->replaceMatches('/^(\d)/', '_$1')->toString();
         $prefix = 0;
         do {
             $constantName = $translationId.($prefix > 0 ? '_'.$prefix : '');
             ++$prefix;
-        } while ($alreadyGenerated[$constantName] ?? false);
+        } while ($this->alreadyGeneratedConstants[$constantName] ?? false);
 
-        $alreadyGenerated[$constantName] = true;
+        $this->alreadyGeneratedConstants[$constantName] = true;
 
         return $constantName;
     }
diff --git a/src/Translator/tests/CacheWarmer/TranslationsCacheWarmerTest.php b/src/Translator/tests/CacheWarmer/TranslationsCacheWarmerTest.php
index d97e49e0967..df83a78ea93 100644
--- a/src/Translator/tests/CacheWarmer/TranslationsCacheWarmerTest.php
+++ b/src/Translator/tests/CacheWarmer/TranslationsCacheWarmerTest.php
@@ -28,7 +28,7 @@ public static function setUpBeforeClass(): void
 
     public static function tearDownAfterClass(): void
     {
-        @unlink(self::$cacheDir);
+        @rmdir(self::$cacheDir);
     }
 
     public function test()