diff --git a/src/browser.ts b/src/browser.ts
index 11f53fd..f6955fa 100644
--- a/src/browser.ts
+++ b/src/browser.ts
@@ -2,9 +2,6 @@ import { setup } from './core.ts'
 import { humanize } from './utils.ts'
 import type { Debug, Debugger } from './types.ts'
 
-/**
- * Colors.
- */
 export const colors: string[] = [
   '#0000CC',
   '#0000FF',
diff --git a/tsdown.config.ts b/tsdown.config.ts
index 61366f4..a17777f 100644
--- a/tsdown.config.ts
+++ b/tsdown.config.ts
@@ -12,6 +12,7 @@ export default defineConfig([
       }
     },
     hash: false,
+    minify: 'dce-only',
   },
   {
     entry: {