diff --git a/lib/rack/app/request_stream.rb b/lib/rack/app/request_stream.rb
index <HASH>..<HASH> 100644
--- a/lib/rack/app/request_stream.rb
+++ b/lib/rack/app/request_stream.rb
@@ -1,4 +1,3 @@
-require "fiber"
 require "enumerator"
 class Rack::App::RequestStream
   include Enumerable
fix: remove fiber dependency in RequestStream class