diff --git a/src/Plugin/Block/TagCloudBlock.php b/src/Plugin/Block/TagCloudBlock.php
index cc5b883..ab34a83 100644
--- a/src/Plugin/Block/TagCloudBlock.php
+++ b/src/Plugin/Block/TagCloudBlock.php
@@ -120,14 +120,13 @@ class TagCloudBlock extends BlockBase implements ContainerFactoryPluginInterface
       $vocabulary_terms = $this->term_storage->loadTree($vid);
       foreach ($vocabulary_terms as $term) {
         // Checking tags which has attached contents.
-        $db_conn = \Drupal::database();
-        $query = $db_conn->select('taxonomy_index', 'ti');
+        $query = \Drupal::database()->select('taxonomy_index', 'ti');
         $query->fields('ti', ['nid']);
         $query->join('taxonomy_term_field_data', 'ttfd', 'ttfd.tid = ti.tid');
         $query->condition('ttfd.vid', $vid);
         $query->condition('ti.tid', $term->tid);
         $data = $query->execute()->fetchField();
-        if(!empty($data)) {
+        if (!empty($data)) {
           $term = $this->term_storage->load($term->tid);
           $url = $this->token_service->replace(
             $config['redirect_url'],