diff --git a/engine/src/flutter/examples/htmlish/framework/element.sky b/engine/src/flutter/examples/htmlish/framework/element.sky
index ab792677d41..89b4c2d0f74 100644
--- a/engine/src/flutter/examples/htmlish/framework/element.sky
+++ b/engine/src/flutter/examples/htmlish/framework/element.sky
@@ -21,7 +21,7 @@ SKY MODULE - defines an <element> element
 <script>
  module.exports.Element = sky.registerElement({
    tagName: 'element',
-   prototype: class extends Element {
+   constructor: class extends Element {
      constructor (module) {
        super();
        this.state = 'loading';
diff --git a/engine/src/flutter/examples/radio.sky b/engine/src/flutter/examples/radio.sky
index cb39cdb0d71..6c6d29f7778 100644
--- a/engine/src/flutter/examples/radio.sky
+++ b/engine/src/flutter/examples/radio.sky
@@ -1,10 +1,6 @@
 SKY MODULE - radio button and radio button group
 <!-- accessibility handling not implemented yet, pending mojo service -->
 
-<script>
- module.exports = {};
-</script>
-
 <!-- <radio> -->
 <template id="radio-shadow">
  <style>