diff --git a/js/common.js b/js/common.js
index 6482938..0545ff6 100644
--- a/js/common.js
+++ b/js/common.js
@@ -46,9 +46,6 @@ function $ajaxget(url, data) {
     return new Promise((resolve, reject) => {
         axios
             .get(url, {
-                headers: {
-                    "Contddden": "max-age=3600",
-                },
                 emulateJSON: true,
                 withCredentials: true,
             })