diff --git a/src/View/ViewableData.php b/src/View/ViewableData.php
index b9bda192e40..a13ab5702c0 100644
--- a/src/View/ViewableData.php
+++ b/src/View/ViewableData.php
@@ -20,6 +20,7 @@
 use SilverStripe\ORM\FieldType\DBHTMLText;
 use SilverStripe\View\SSViewer;
 use UnexpectedValueException;
+use SilverStripe\Dev\Deprecation;
 
 /**
  * A ViewableData object is any object that can be rendered into a template/view.