diff --git a/lib/plugins/console/preview.js b/lib/plugins/console/preview.js
index <HASH>..<HASH> 100644
--- a/lib/plugins/console/preview.js
+++ b/lib/plugins/console/preview.js
@@ -11,8 +11,6 @@ extend.console.register('preview', 'Preview site', function(args){
     generate = require('../../generate'),
     inited = false;
 
-  hexo.cache.preview = true;
-
   if (args.p){
     var port = args.p;
   } else if (args.port){
Delete hexo.cache.preview