diff --git a/tsdown.config.ts b/tsdown.config.ts
index 4472e17..2738ab1 100644
--- a/tsdown.config.ts
+++ b/tsdown.config.ts
@@ -2,7 +2,6 @@ import { defineConfig } from 'tsdown'
 
 export default defineConfig({
   entry: ['src/index.ts'],
-  sourcemap: true,
   define: {
     DEBUG: 'false',
   },