diff --git a/src/interactive-auth.js b/src/interactive-auth.js
index <HASH>..<HASH> 100644
--- a/src/interactive-auth.js
+++ b/src/interactive-auth.js
@@ -318,8 +318,6 @@ InteractiveAuth.prototype = {
      */
     _doRequest: async function(auth, background) {
         try {
-            if (Object.keys(auth).length === 0 &&
-                auth.constructor === Object) auth = null;
             const result = await this._requestCallback(auth, background);
             this._resolveFunc(result);
             this._resolveFunc = null;
Revert hack to set auth = null