diff --git a/build.js b/build.js
index 77e9cc0..4f4bf37 100644
--- a/build.js
+++ b/build.js
@@ -1,4 +1,4 @@
 import * as esbuild from 'esbuild';
 import {options} from './esbuild-options.js';
 
-await esbuild.build(options);
+await esbuild.build({...options, minify: true});
diff --git a/src/integrator.tsx b/src/integrator.tsx
index c54c892..e24dcd3 100644
--- a/src/integrator.tsx
+++ b/src/integrator.tsx
@@ -18,4 +18,8 @@ root.render(
   </React.StrictMode>,
 );
 
-new EventSource('/esbuild').addEventListener('change', () => location.reload());
+if (process.env.NODE_ENV !== 'production') {
+  new EventSource('/esbuild').addEventListener('change', () =>
+    location.reload(),
+  );
+}