diff --git a/core/themes/olivero/css/components/form.css b/core/themes/olivero/css/components/form.css
index 432b287ee3..4c26176a60 100644
--- a/core/themes/olivero/css/components/form.css
+++ b/core/themes/olivero/css/components/form.css
@@ -42,6 +42,10 @@
   line-height: inherit;
 }
 
+.form-item__error-message {
+  font-weight: bold;
+}
+
 /**
  * When a table row or a container-inline has a single form item, prevent it
  * from adding unnecessary extra spacing.
diff --git a/core/themes/olivero/css/components/form.pcss.css b/core/themes/olivero/css/components/form.pcss.css
index b4228533a4..e1d19ffb8f 100644
--- a/core/themes/olivero/css/components/form.pcss.css
+++ b/core/themes/olivero/css/components/form.pcss.css
@@ -23,6 +23,10 @@
   line-height: inherit;
 }
 
+.form-item__error-message {
+  font-weight: bold;
+}
+
 /**
  * When a table row or a container-inline has a single form item, prevent it
  * from adding unnecessary extra spacing.
diff --git a/core/themes/olivero/templates/datetime-wrapper.html.twig b/core/themes/olivero/templates/datetime-wrapper.html.twig
index e9230077cc..07826e72ca 100644
--- a/core/themes/olivero/templates/datetime-wrapper.html.twig
+++ b/core/themes/olivero/templates/datetime-wrapper.html.twig
@@ -3,8 +3,6 @@
  * @file
  * Theme override of a datetime form wrapper.
  *
- * @todo Refactor when https://www.drupal.org/node/3010558 is fixed.
- *
  * @see template_preprocess_form_element()
  */
 #}