diff --git a/sinkronisasi.include.php b/sinkronisasi.include.php
index d611d26..e6bf485 100644
--- a/sinkronisasi.include.php
+++ b/sinkronisasi.include.php
@@ -160,15 +160,12 @@ function sinkronisasi_export($vocabulary_machine_name) {
 }
 
 function delete_all_terms_by_vid($vid) {
-    if (!$this->drush()) {
-        return;
-    }
 
     $query = new EntityFieldQuery();
     $query->entityCondition('entity_type', 'taxonomy_term');
 
     if (!$vid) {
-        $this->fatal_error("Unknown vid");
+        drush_die("Unknown vid");
     }
 
     $query->propertyCondition('vid', $vid);
@@ -184,5 +181,4 @@ function delete_all_terms_by_vid($vid) {
         echo taxonomy_term_delete($term->tid);
         echo "\n";
     }
-
 }