diff --git a/includes/sanitizers/class-amp-img-sanitizer.php b/includes/sanitizers/class-amp-img-sanitizer.php
index ac84712d5f8..efd641b75a6 100644
--- a/includes/sanitizers/class-amp-img-sanitizer.php
+++ b/includes/sanitizers/class-amp-img-sanitizer.php
@@ -5,7 +5,6 @@
  * @package AMP
  */
 
-use AmpProject\AmpWP\ValidationExemption;
 use AmpProject\DevMode;
 use AmpProject\Html\Attribute;
 use AmpProject\Html\Tag;
diff --git a/tests/php/test-amp-img-sanitizer.php b/tests/php/test-amp-img-sanitizer.php
index 81187292477..f77535ab80d 100644
--- a/tests/php/test-amp-img-sanitizer.php
+++ b/tests/php/test-amp-img-sanitizer.php
@@ -7,7 +7,6 @@
 
 use AmpProject\AmpWP\Tests\Helpers\PrivateAccess;
 use AmpProject\AmpWP\Tests\TestCase;
-use AmpProject\AmpWP\ValidationExemption;
 use AmpProject\Dom\Document;
 
 /**