diff --git a/Templating/Helper/FilterHelper.php b/Templating/Helper/FilterHelper.php
index e4ed76686..5d3bc17a5 100644
--- a/Templating/Helper/FilterHelper.php
+++ b/Templating/Helper/FilterHelper.php
@@ -11,6 +11,8 @@
 
 namespace Liip\ImagineBundle\Templating\Helper;
 
+@trigger_error('The '.FilterHelper::class.' class is deprecated since version 2.2 and will be removed in 3.0; use Twig instead.', E_USER_DEPRECATED);
+
 use Liip\ImagineBundle\Templating\FilterTrait;
 use Symfony\Component\Templating\Helper\Helper;
 
diff --git a/Tests/Templating/Helper/FilterHelperTest.php b/Tests/Templating/Helper/FilterHelperTest.php
index 0cb26b9f2..4ceefb0dd 100644
--- a/Tests/Templating/Helper/FilterHelperTest.php
+++ b/Tests/Templating/Helper/FilterHelperTest.php
@@ -19,6 +19,8 @@
 /**
  * @covers \Liip\ImagineBundle\Templating\FilterTrait
  * @covers \Liip\ImagineBundle\Templating\Helper\FilterHelper
+ *
+ * @group legacy
  */
 class FilterHelperTest extends AbstractFilterTest
 {