diff --git a/index.js b/index.js
index 419d4de..2d8809e 100644
--- a/index.js
+++ b/index.js
@@ -615,10 +615,7 @@ class IntrinioRealtime {
         try {
           console.info("Intrinio Realtime Client - Websocket initializing (public key)");
           let wsUrl = this._getWebSocketUrl();
-          this._websocket = new WebSocket(wsUrl, null, {headers: {
-              [CLIENT_INFO_HEADER_KEY]: CLIENT_INFO_HEADER_VALUE,
-              [MESSAGE_VERSION_HEADER_KEY]: MESSAGE_VERSION_HEADER_VALUE
-            }});
+          this._websocket = new WebSocket(wsUrl);
           this._websocket.binaryType = "arraybuffer";
           this._websocket.onopen = () => {
             console.log("Intrinio Realtime Client - Websocket connected (public key)");