diff --git a/core/modules/user/src/Plugin/Condition/UserRole.php b/core/modules/user/src/Plugin/Condition/UserRole.php
index 80fde32..2a67813 100644
--- a/core/modules/user/src/Plugin/Condition/UserRole.php
+++ b/core/modules/user/src/Plugin/Condition/UserRole.php
@@ -52,18 +52,6 @@ public function defaultConfiguration() {
   /**
    * {@inheritdoc}
    */
-  public function validateConfigurationForm(array &$form, array &$form_state) {
-    foreach ($form_state['values']['roles'] as $role) {
-      if (!in_array($role, array_keys($this->getRoleNames()))) {
-        form_set_error('roles', $this->t('An invalid user role has been chosen.'));
-      }
-    }
-    parent::validateConfigurationForm($form, $form_state);
-  }
-
-  /**
-   * {@inheritdoc}
-   */
   public function submitConfigurationForm(array &$form, array &$form_state) {
     $this->configuration['roles'] = array_filter($form_state['values']['roles']);
     parent::submitConfigurationForm($form, $form_state);