diff --git a/index.ts b/index.ts
index 8c1abde..89c198f 100644
--- a/index.ts
+++ b/index.ts
@@ -48,7 +48,6 @@ export default class SseStream extends Transform {
     if (destination.writeHead) {
       destination.writeHead(200, {
         'Content-Type': 'text/event-stream; charset=utf-8',
-        'Transfer-Encoding': 'identity',
         'Cache-Control': 'no-cache',
         Connection: 'keep-alive',
       })