diff --git a/core/modules/system/src/Form/ThemeSettingsForm.php b/core/modules/system/src/Form/ThemeSettingsForm.php
index e3ad1a21ed..00d6b28c71 100644
--- a/core/modules/system/src/Form/ThemeSettingsForm.php
+++ b/core/modules/system/src/Form/ThemeSettingsForm.php
@@ -15,7 +15,6 @@
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Form\ConfigFormBase;
 use Drupal\Core\Theme\ThemeManagerInterface;
-use Symfony\Component\Mime\MimeTypeGuesserInterface;
 
 // cspell:ignore apng