diff --git a/src/Parser/TokenParser.php b/src/Parser/TokenParser.php
index 7c1996c..bef4718 100644
--- a/src/Parser/TokenParser.php
+++ b/src/Parser/TokenParser.php
@@ -4,8 +4,6 @@
 
 namespace PhpKafka\PhpAvroSchemaGenerator\Parser;
 
-use ReflectionUnionType;
-use ReflectionNamedType;
 use PhpKafka\PhpAvroSchemaGenerator\PhpClass\PhpClassProperty;
 use ReflectionClass;
 use ReflectionProperty;
@@ -207,7 +205,7 @@ public function getPropertyClass(ReflectionProperty $property, bool $ignorePrimi
         if (version_compare($phpVersion, '7.4.0', '>=') && null !== $property->getType()) {
             $reflectionType = $property->getType();
 
-            if ($reflectionType instanceof ReflectionNamedType) {
+            if ($reflectionType instanceof \ReflectionNamedType) {
                 $type = $reflectionType->getName();
             }
         }