--- /dev/null
+/**
+ * Implements hook_field_display_alter().
+ */
+function {{ machine_name }}_field_display_alter(&$display, $context) {
+ // Leave field labels out of the search index.
+ // Note: The check against $context['entity_type'] == 'node' could be avoided
+ // by using hook_field_display_node_alter() instead of
+ // hook_field_display_alter(), resulting in less function calls when
+ // rendering non-node entities.
+ if ($context['entity_type'] == 'node' && $context['view_mode'] == 'search_index') {
+ $display['label'] = 'hidden';
+ }
+}