diff --git a/webapp/mt/MarketBatch.php b/webapp/mt/MarketBatch.php
index 7c1395c7..39472add 100644
--- a/webapp/mt/MarketBatch.php
+++ b/webapp/mt/MarketBatch.php
@@ -27,7 +27,7 @@ class MarketBatch {
                 $currentMeta = $meta;
                 continue;
             }
-            if (myself()->_getNowTime() > $meta['_start_time_utc']) {
+            if (myself()->_getNowTime() > $meta['start_time']) {
                 return $meta;
             }
         }
@@ -38,19 +38,6 @@ class MarketBatch {
     {
         if (!self::$metaList) {
             self::$metaList = getMetaTable('batch@market.php');
-            foreach (self::$metaList as &$meta) {
-                if (empty($meta['start_time'])) {
-                    $meta['_start_time_utc'] = 0;
-                } else {
-                    $meta['_start_time_utc'] = strtotime($meta['start_time']) - $meta['world_time_zone'] * 3600;
-                }
-
-                if (empty($meta['end_time'])) {
-                    $meta['_end_time_utc'] = 0;
-                } else {
-                    $meta['_end_time_utc'] = strtotime($meta['end_time']) - $meta['world_time_zone'] * 3600;
-                }
-            }
         }
         return self::$metaList;
     }