diff --git a/core/modules/block/block.module b/core/modules/block/block.module
index ee6a4a11ea..cece484174 100644
--- a/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -214,11 +214,6 @@ function template_preprocess_block(&$variables) {
   $variables['derivative_plugin_id'] = $variables['elements']['#derivative_plugin_id'];
   $variables['label'] = !empty($variables['configuration']['label_display']) ? $variables['configuration']['label'] : '';
   $variables['content'] = $variables['elements']['content'];
-  // A block's label is configuration: it is static. Allow dynamic labels to be
-  // set in the render array.
-  if (isset($variables['elements']['content']['#title']) && !empty($variables['configuration']['label_display'])) {
-    $variables['label'] = $variables['elements']['content']['#title'];
-  }
 
   // Create a valid HTML ID and make sure it is unique.
   if (!empty($variables['elements']['#id'])) {