diff --git a/composer.json b/composer.json
index e73d8ba..910c1eb 100644
--- a/composer.json
+++ b/composer.json
@@ -41,8 +41,7 @@
     "autoload-dev": {
         "psr-4": {
             "Typhoon\\Reflection\\": [
-                "tests/unit",
-                "tests/memory"
+                "tests/unit"
             ]
         }
     },
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 520cf57..ea85503 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -17,9 +17,6 @@
         <testsuite name="unit">
             <directory>tests/unit</directory>
         </testsuite>
-        <testsuite name="memory">
-            <directory>tests/memory</directory>
-        </testsuite>
     </testsuites>
 
     <source restrictDeprecations="true" restrictNotices="true" restrictWarnings="true">
diff --git a/tests/memory/MemoryLeakTest.php b/tests/memory/MemoryLeakTest.php
deleted file mode 100644
index 511e0b0..0000000
--- a/tests/memory/MemoryLeakTest.php
+++ /dev/null
@@ -1,91 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Typhoon\Reflection;
-
-use PhpParser\Parser as PhpParser;
-use PhpParser\ParserFactory;
-use PHPUnit\Framework\Attributes\CoversNothing;
-use PHPUnit\Framework\TestCase;
-use Symfony\Component\Finder\Finder;
-use Typhoon\Type;
-
-#[CoversNothing]
-final class MemoryLeakTest extends TestCase
-{
-    private const DIRECTORIES_TO_LOAD = [
-        __DIR__ . '/../../src',
-        __DIR__ . '/../../vendor/nikic/php-parser/lib',
-        __DIR__ . '/../../vendor/phpstan/phpdoc-parser/src',
-        __DIR__ . '/../../vendor/psr/simple-cache/src',
-        __DIR__ . '/../../vendor/typhoon/type-stringifier/src',
-        __DIR__ . '/../../vendor/typhoon/type/src',
-    ];
-    private const CLASSES = [
-        Type\StringType::class,
-        Type\NamedObjectType::class,
-        Type\ArrayType::class,
-        Type\ListType::class,
-        Type\NonEmptyStringType::class,
-        Type\NonEmptyListType::class,
-        Type\TemplateType::class,
-    ];
-
-    private static PhpParser $phpParser;
-
-    public static function setUpBeforeClass(): void
-    {
-        gc_disable();
-
-        foreach (Finder::create()->in(self::DIRECTORIES_TO_LOAD)->name('*.php') as $file) {
-            /** @psalm-suppress UnresolvableInclude */
-            require_once $file->getPathname();
-        }
-
-        self::$phpParser = (new ParserFactory())->createForHostVersion();
-        self::cleanUpParser();
-    }
-
-    private static function cleanUpParser(): void
-    {
-        self::$phpParser->parse('');
-    }
-
-    private static function assertMemoryIsConstant(\Closure $action): void
-    {
-        $memory = memory_get_usage();
-
-        $action();
-        self::cleanUpParser();
-
-        self::assertLessThanOrEqual($memory, memory_get_usage());
-    }
-
-    public function testTyphoonReflectorClassExistsIsNotLeaking(): void
-    {
-        // warm up
-        TyphoonReflector::build(phpParser: self::$phpParser)->classExists(Type\NamedObjectType::class);
-        self::cleanUpParser();
-
-        foreach (self::CLASSES as $class) {
-            self::assertMemoryIsConstant(static function () use ($class): void {
-                TyphoonReflector::build(phpParser: self::$phpParser)->classExists($class);
-            });
-        }
-    }
-
-    public function testTyphoonReflectorReflectIsNotLeaking(): void
-    {
-        // warm up
-        TyphoonReflector::build(phpParser: self::$phpParser)->reflectClass(Type\NamedObjectType::class);
-        TyphoonReflector::build(phpParser: self::$phpParser)->reflectClass(Type\TemplateType::class);
-        self::cleanUpParser();
-
-        foreach (self::CLASSES as $class) {
-            self::assertMemoryIsConstant(static function () use ($class): void {
-                TyphoonReflector::build(phpParser: self::$phpParser)->reflectClass($class);
-            });
-        }
-    }
-}
diff --git a/tests/unit/ReflectorMemoryTest.php b/tests/unit/ReflectorMemoryTest.php
new file mode 100644
index 0000000..579d22d
--- /dev/null
+++ b/tests/unit/ReflectorMemoryTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Typhoon\Reflection;
+
+use PHPUnit\Framework\Attributes\CoversNothing;
+use PHPUnit\Framework\Attributes\RunInSeparateProcess;
+use PHPUnit\Framework\TestCase;
+
+#[CoversNothing]
+final class ReflectorMemoryTest extends TestCase
+{
+    #[RunInSeparateProcess]
+    public function testItIsGarbageCollected(): void
+    {
+        gc_disable();
+        $reflector = TyphoonReflector::build();
+        $reflection = $reflector->reflectClass(\AppendIterator::class);
+        $weakReflector = \WeakReference::create($reflector);
+        $weakReflection = \WeakReference::create($reflection);
+
+        unset($reflector, $reflection);
+
+        self::assertNull($weakReflector->get());
+        self::assertNull($weakReflection->get());
+    }
+}