diff --git a/js/tappi-main.ts b/js/tappi-main.ts
index b7962de..9fda7dd 100644
--- a/js/tappi-main.ts
+++ b/js/tappi-main.ts
@@ -6,19 +6,16 @@
  * @author Jesse Greenberg
  */
 
-// @ts-nocheck
-
-import Sim from '../../joist/js/Sim.js';
+import Sim, { SimOptions } from '../../joist/js/Sim.js';
 import simLauncher from '../../joist/js/simLauncher.js';
 import Tandem from '../../tandem/js/Tandem.js';
 import BasicsScreen from './demo/basics/BasicsScreen.js';
 import PatternsScreen from './demo/patterns/PatternsScreen.js';
 import tappiStrings from './tappiStrings.js';
-// import vibrationManager from './vibrationManager.js';
 
 const tappiTitleString = tappiStrings.tappi.title;
 
-const simOptions = {
+const simOptions: SimOptions = {
   credits: {
     //TODO fill in credits, all of these fields are optional, see joist.CreditsNode
     leadDesign: '',
@@ -29,13 +26,6 @@ const simOptions = {
     soundDesign: '',
     thanks: ''
   }
-
-  // NOTE: Sim.js no longer takes this option, but this was the way we passed it to the sim to test HTML5 vibration.
-  // It was an option for Sim.js so that we didn't create dependencies on tappi because it is experimental. But
-  // TypeScript requires references for typing so we decided to just remove the option for now since tappi is
-  // abandoned for the most part. If coming back to this, look into initializing and stepping the vibrationManager.
-  // See https://github.com/phetsims/joist/issues/794
-  // vibrationManager: vibrationManager
 };
 
 // launch the sim - beware that scenery Image nodes created outside of simLauncher.launch() will have zero bounds