diff --git a/packages/react/test/apps/react18/vite.config.ts b/packages/react/test/apps/react18/vite.config.ts
index 0938c9d5dc..2fda2d9f29 100644
--- a/packages/react/test/apps/react18/vite.config.ts
+++ b/packages/react/test/apps/react18/vite.config.ts
@@ -17,7 +17,7 @@ export default defineConfig({
     port: 3000
   },
   optimizeDeps: {
-    exclude: ['@ionic/react', '@ionic/react-router', '@stencil/core'],
+    exclude: ['@ionic/react', '@ionic/react-router'],
     /**
      * ESM dependencies that have a CJS dependency need to 
      * include that dependency for optimization.