diff -u b/core/modules/block/src/BlockListBuilder.php b/core/modules/block/src/BlockListBuilder.php
--- b/core/modules/block/src/BlockListBuilder.php
+++ b/core/modules/block/src/BlockListBuilder.php
@@ -271,14 +271,11 @@
             $form[$entity_id]['#attributes']['class'][] = 'color-success';
             $form[$entity_id]['#attributes']['class'][] = 'js-block-placed';
           }
-          if ($info['status']) {
-            $form[$entity_id]['info']['#plain_text'] = $info['label'];
-          }
-          else {
-            $form[$entity_id]['info']['#markup'] = $this->t('@label (disabled)', ['@label' => $info['label']]);
-          }
-          $form[$entity_id]['info']['#wrapper_attributes'] = [
-            'class' => ['block'],
+          $form[$entity_id]['info'] = [
+            '#markup' => $info['status'] ? $info['label'] : $this->t('@label (disabled)', ['@label' => $info['label']]),
+            '#wrapper_attributes' => [
+              'class' => ['block'],
+            ],
           ];
           $form[$entity_id]['type'] = [
             '#markup' => $info['category'],