diff -u b/core/includes/form.inc b/core/includes/form.inc --- b/core/includes/form.inc +++ b/core/includes/form.inc @@ -1379,7 +1379,6 @@ if (isset($element['#title']) || isset($element['#description'])) { // @see #type 'fieldgroup' - $element['#theme_wrappers'][] = 'form_element'; $element['#theme_wrappers'][] = 'fieldset'; $element['#attributes']['class'][] = 'fieldgroup'; $element['#attributes']['class'][] = 'form-composite';