diff --git a/packages/ccc/tsdown.config.ts b/packages/ccc/tsdown.config.ts
deleted file mode 100644
index 6e1f148ef..000000000
--- a/packages/ccc/tsdown.config.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { defineConfig } from 'tsdown'
-
-export default defineConfig({
-  entry: [
-    './src/index.ts',
-  ],
-  sourcemap: true,
-  unused: true,
-  fixedExtension: true,
-})