diff --git a/package.json b/package.json
index cbb497d769..0163a1b716 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,6 @@
     "react-dnd-html5-backend": "^16.0.1",
     "react-dom": "^18.3.1",
     "rolldown": "^0.15.1",
-    "rollup-plugin-postcss": "^4.0.2",
     "typescript": "~5.7.2",
     "vite": "^6.0.3",
     "vitest": "^2.1.8",
diff --git a/rolldown.config.js b/rolldown.config.js
index c42f4dba15..7e5e040cd0 100644
--- a/rolldown.config.js
+++ b/rolldown.config.js
@@ -1,39 +1,52 @@
+// @ts-check
 import { isAbsolute } from 'node:path';
 import wyw from '@wyw-in-js/rollup';
-import postcss from 'rollup-plugin-postcss';
 import pkg from './package.json' with { type: 'json' };
 import { defineConfig } from 'rolldown';
 
-const annotationRegexp = /^[@#]__.+__$/;
+// TODO: can't preserve minifier annotations, open issue
+// const annotationRegexp = /^[@#]__.+__$/;
 
-export default defineConfig({
-  input: './src/index.ts',
-  output: [
-    {
-      file: './lib/bundle.js',
-      format: 'es',
-      generatedCode: 'es2015',
-      sourcemap: true
-    },
-    {
-      file: './lib/bundle.cjs',
-      format: 'cjs',
-      generatedCode: 'es2015',
-      sourcemap: true
-    }
-  ],
-  external: (id) => !id.startsWith('.') && !id.startsWith('@linaria:') && !isAbsolute(id),
-  plugins: [
-    wyw({
-      preprocessor: 'none',
-      classNameSlug(hash) {
-        // We add the package version as suffix to avoid style conflicts
-        // between multiple versions of RDG on the same page.
-        return `${hash}${pkg.version.replaceAll('.', '-')}`;
-      }
-    }),
-    postcss({
-      extract: 'styles.css'
-    })
-  ]
-});
+/**
+ * @type {readonly import('rolldown').OutputOptions[]}
+ */
+const outputs = [
+  {
+    dir: 'lib',
+    entryFileNames: 'bundle.js',
+    cssEntryFileNames: 'styles.css',
+    format: 'es',
+    sourcemap: true,
+    comments: 'preserve-legal'
+  },
+  {
+    dir: 'lib',
+    entryFileNames: 'bundle.cjs',
+    cssEntryFileNames: 'styles.css',
+    format: 'cjs',
+    sourcemap: true
+  }
+];
+
+export default outputs.map((output) =>
+  defineConfig({
+    input: './src/index.ts',
+    output,
+    platform: 'browser',
+    external: (id) => !id.startsWith('.') && !isAbsolute(id),
+    plugins: [
+      // @ts-expect-error
+      wyw({
+        preprocessor: 'none',
+        /**
+         * @param {string} hash
+         */
+        classNameSlug(hash) {
+          // We add the package version as suffix to avoid style conflicts
+          // between multiple versions of RDG on the same page.
+          return `${hash}${pkg.version.replaceAll('.', '-')}`;
+        }
+      })
+    ]
+  })
+);
diff --git a/tsconfig.js.json b/tsconfig.js.json
index ee8264bb3c..f015060dcd 100644
--- a/tsconfig.js.json
+++ b/tsconfig.js.json
@@ -4,8 +4,9 @@
     "allowJs": true,
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
+    "resolveJsonModule": true,
     "skipLibCheck": true
   },
-  "include": ["**/*.js", ".github/**/*.js"],
+  "include": ["**/*.js", ".github/**/*.js", "package.json"],
   "exclude": ["./coverage/**/*", "./dist/**/*", "./lib/**/*"]
 }