diff --git a/mode/doudizhu.js b/mode/doudizhu.js
index 7c6e1280d..5a74cb418 100644
--- a/mode/doudizhu.js
+++ b/mode/doudizhu.js
@@ -1850,13 +1850,6 @@ game.import('mode',function(lib,game,ui,get,ai,_status){
 					else game.updateRoundNumber();
 					return cards;
 				},
-				hasZhuSkill:function(skill,player){
-					if(!this.hasSkill(skill)) return false;
-					for(var i in this.storage){
-						if(i.indexOf('zhuSkill_')==0&&this.storage[i].contains(skill)) return true;
-					}
-					return false;
-				},
 				$dieAfter:function(){
 					if(_status.video) return;
 					if(!this.node.dieidentity){