diff --git a/eZ/Publish/Core/FieldType/Image/Type.php b/eZ/Publish/Core/FieldType/Image/Type.php
index <HASH>..<HASH> 100644
--- a/eZ/Publish/Core/FieldType/Image/Type.php
+++ b/eZ/Publish/Core/FieldType/Image/Type.php
@@ -41,18 +41,6 @@ class Type extends FieldType
     protected $validatorService;
 
     /**
-     * Constructs field type object, initializing internal data structures.
-     *
-     * @param \eZ\Publish\Core\Repository\ValidatorService $validatorService
-     * @param FieldTypeTools $fieldTypeTools
-     * @param \eZ\Publish\API\Repository\Repository $repository
-     */
-    public function __construct( ValidatorService $validatorService )
-    {
-        $this->validatorService = $validatorService;
-    }
-
-    /**
      * Return the field type identifier for this field type
      *
      * @return string
diff --git a/eZ/Publish/Core/FieldType/Image/Value.php b/eZ/Publish/Core/FieldType/Image/Value.php
index <HASH>..<HASH> 100644
--- a/eZ/Publish/Core/FieldType/Image/Value.php
+++ b/eZ/Publish/Core/FieldType/Image/Value.php
@@ -96,7 +96,7 @@ class Value extends BaseValue
      */
     public function __toString()
     {
-        return $this->fileName;
+        return (string)$this->fileName;
     }
 
     /**
Fixed: Smaller code corrections to Image FieldType.