diff --git a/src/BaseEnum.php b/src/BaseEnum.php
index c5bccc3..fab9fe5 100644
--- a/src/BaseEnum.php
+++ b/src/BaseEnum.php
@@ -3,7 +3,6 @@
 namespace Kwaadpepper\Enum;
 
 use BadMethodCallException;
-use Closure;
 use JsonSerializable;
 use Kwaadpepper\Enum\Exceptions\DuplicateLabelsException;
 use Kwaadpepper\Enum\Exceptions\DuplicateValuesException;
@@ -251,13 +250,6 @@ abstract class BaseEnum implements JsonSerializable
         $valueMap   = static::values();
         $labelMap   = static::labels();
 
-        if ($valueMap instanceof Closure) {
-            $valueMap = array_map($valueMap, array_combine($matches[1], $matches[1]));
-        }
-        if ($labelMap instanceof Closure) {
-            $labelMap = array_map($labelMap, array_combine($matches[1], $matches[1]));
-        }
-
         foreach ($matches[1] as $methodName) {
             $valueMap[$methodName]   = $valueMap[$methodName] ?? $methodName;
             $labelMap[$methodName]   = $labelMap[$methodName] ?? $methodName;