diff --git a/lib/sitemap-simple.ts b/lib/sitemap-simple.ts
index 4d065a5..0e91f6f 100644
--- a/lib/sitemap-simple.ts
+++ b/lib/sitemap-simple.ts
@@ -1,8 +1,6 @@
-import {
-  SitemapAndIndexStream,
-  SitemapStream,
-  lineSeparatedURLsToSitemapOptions,
-} from '../index';
+import { SitemapAndIndexStream } from './sitemap-index-stream';
+import { SitemapStream } from './sitemap-stream';
+import { lineSeparatedURLsToSitemapOptions } from './utils';
 import { createGzip } from 'zlib';
 import { createWriteStream, createReadStream, promises } from 'fs';
 import { normalize, resolve } from 'path';