diff --git a/index.js b/index.js
index 504e13e53..d8fed4689 100644
--- a/index.js
+++ b/index.js
@@ -149,7 +149,7 @@ module.exports = terria
         document.head.appendChild(styleSheet);
       }
 
-      render(terria, [], viewState);
+      render(terria, viewState);
     } catch (e) {
       console.error(e);
       console.error(e.stack);
diff --git a/lib/Views/render.jsx b/lib/Views/render.jsx
index 805843307..e91a20e8b 100644
--- a/lib/Views/render.jsx
+++ b/lib/Views/render.jsx
@@ -3,16 +3,11 @@ import RedBox from "redbox-react";
 import React from "react";
 import Variables from "../Styles/variables.scss";
 
-export default function renderUi(terria, allBaseMaps, viewState) {
+export default function renderUi(terria, viewState) {
   let render = () => {
     const UI = require("./UserInterface").default;
     ReactDOM.render(
-      <UI
-        terria={terria}
-        allBaseMaps={allBaseMaps}
-        viewState={viewState}
-        themeOverrides={Variables}
-      />,
+      <UI terria={terria} viewState={viewState} themeOverrides={Variables} />,
       document.getElementById("ui")
     );
   };