diff --git a/lib/Server.js b/lib/Server.js
index 3f19aecedc..6e208128f6 100644
--- a/lib/Server.js
+++ b/lib/Server.js
@@ -3088,8 +3088,6 @@ class Server {
        */
       const allHeaders = [];
 
-      allHeaders.push({ key: "X_TEST", value: "TEST" });
-
       if (!Array.isArray(headers)) {
         // eslint-disable-next-line guard-for-in
         for (const name in headers) {