diff --git a/src/Types/Resolver.php b/src/Types/Resolver.php
index b0ed9ea..024c65e 100644
--- a/src/Types/Resolver.php
+++ b/src/Types/Resolver.php
@@ -13,10 +13,9 @@
 namespace phpDocumentor\Reflection\Types;
 
 use phpDocumentor\Reflection\DocBlock\Context;
-use phpDocumentor\Reflection\Fqsen;
 use phpDocumentor\Reflection\Type;
 
-class Resolver
+final class Resolver
 {
     /** @var string Definition of the ARRAY operator for types */
     const OPERATOR_ARRAY = '[]';