diff --git a/core/modules/block/block.install b/core/modules/block/block.install
index 1a0ac23..bd12f0f 100644
--- a/core/modules/block/block.install
+++ b/core/modules/block/block.install
@@ -102,11 +102,7 @@ function block_update_8002() {
   }
 
   // Provides a list of plugin labels, keyed by plugin ID.
-  $condition_plugin_id_label_map = array_map(function($definition) {
-    // The label might be a translation wrapper.
-    return (string) $definition['label'];
-  }, \Drupal::service('plugin.manager.condition')->getDefinitions());
-
+  $condition_plugin_id_label_map = array_column(\Drupal::service('plugin.manager.condition')->getDefinitions(), 'label', 'id');
 
   // Override with the UI labels we are aware of. Sadly they are not machine
   // accessible, see