diff --git a/Classes/Traits/ValidationTrait.php b/Classes/Traits/ValidationTrait.php
index 4997b91..9a8c33d 100644
--- a/Classes/Traits/ValidationTrait.php
+++ b/Classes/Traits/ValidationTrait.php
@@ -15,6 +15,7 @@ namespace Cjel\TemplatesAide\Traits;
 use \Opis\JsonSchema\{
     Validator, ValidationResult, ValidationError, Schema
 };
+use Cjel\TemplatesAide\Utility\ArrayUtility;
 
 /**
  * ValidationTrait
@@ -47,7 +48,7 @@ trait ValidationTrait
     protected function validateAgainstSchema($input, $schema)
     {
         $validator = new Validator();
-        $input = $this->arrayRemoveEmptyStrings($input);
+        $input = ArrayUtility::removeEmptyStrings($input);
         //@TODO make optional when usiing rest api
         //array_walk_recursive(
         //    $input,
@@ -57,7 +58,7 @@ trait ValidationTrait
         //        }
         //    }
         //);
-        $input = $this->arrayToObject($input);
+        $input = ArrayUtility::toObject($input);
         $validationResult = $validator->dataValidation(
             $input,
             json_encode($schema),
@@ -90,33 +91,4 @@ trait ValidationTrait
         return $validationResult;
     }
 
-    /**
-     * remove empty strings
-     */
-    public function arrayRemoveEmptyStrings($array)
-    {
-        foreach ($array as $key => &$value) {
-            if (is_array($value)) {
-                $value = $this->arrayRemoveEmptyStrings($value);
-            } else {
-                if (is_string($value) && !strlen($value)) {
-                    unset($array[$key]);
-                }
-            }
-        }
-        unset($value);
-        return $array;
-    }
-
-    /**
-     * function arrayTObject
-     */
-    public static function arrayToObject($array) {
-        if (is_array($array)) {
-            return (object) array_map([__CLASS__, __METHOD__], $array);
-        } else {
-            return $array;
-        }
-    }
-
 }
diff --git a/Classes/Utility/ArrayUtility.php b/Classes/Utility/ArrayUtility.php
new file mode 100644
index 0000000..8a5adf7
--- /dev/null
+++ b/Classes/Utility/ArrayUtility.php
@@ -0,0 +1,49 @@
+<?php
+namespace Cjel\TemplatesAide\Utility;
+
+/***
+ *
+ * This file is part of the "" Extension for TYPO3 CMS.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ *  (c) 2021 Philipp Dieter
+ *
+ ***/
+
+/**
+ *
+ */
+class ArrayUtility
+{
+    /**
+     * function arrayTobject
+     */
+    public static function toObject($array) {
+        if (is_array($array)) {
+            return (object) array_map([__CLASS__, __METHOD__], $array);
+        } else {
+            return $array;
+        }
+    }
+
+    /**
+     * remove empty strings
+     */
+    public static function removeEmptyStrings($array)
+    {
+        foreach ($array as $key => &$value) {
+            if (is_array($value)) {
+                $value = [__CLASS__, __METHOD__]($value);
+            } else {
+                if (is_string($value) && !strlen($value)) {
+                    unset($array[$key]);
+                }
+            }
+        }
+        unset($value);
+        return $array;
+    }
+
+}