diff --git a/core/modules/file/src/Element/ManagedFile.php b/core/modules/file/src/Element/ManagedFile.php
index 40d0c31..91abef5 100644
--- a/core/modules/file/src/Element/ManagedFile.php
+++ b/core/modules/file/src/Element/ManagedFile.php
@@ -168,6 +168,7 @@ public static function processManagedFile(&$element, FormStateInterface $form_st
       '#attributes' => ['class' => ['js-hide']],
       '#validate' => [],
       '#submit' => ['file_managed_file_submit'],
+      '#suppress_form_level_submit' => TRUE,
       '#limit_validation_errors' => [$element['#parents']],
       '#ajax' => $ajax_settings,
       '#weight' => -5,