diff --git a/lib/rack/response.rb b/lib/rack/response.rb
index bcc31e338..aae76c9a6 100644
--- a/lib/rack/response.rb
+++ b/lib/rack/response.rb
@@ -101,10 +101,6 @@ def write(str)
       str
     end
 
-    def close
-      body.close if body.respond_to?(:close)
-    end
-
     def empty?
       @block == nil && @body.empty?
     end