diff --git a/yaa.js b/yaa.js
index 547de0b..00f75a1 100644
--- a/yaa.js
+++ b/yaa.js
@@ -1,4 +1,4 @@
-function alertmsg(yaa) {
+function alertmsg() {
     alert("やあ");
 }
 function addidmsg(ev) {