diff --git a/logger.go b/logger.go
index 8d2877c..8f02bf3 100644
--- a/logger.go
+++ b/logger.go
@@ -23,21 +23,6 @@ func NewLogger() *Logger {
 	return &Logger{log.New(os.Stdout, "[narco] ", log.LstdFlags)}
 }
 
-type FooResponseWriter struct {
-	header http.Header
-}
-
-func (f *FooResponseWriter) Header() http.Header {
-	return f.header
-}
-
-func (f *FooResponseWriter) WriteHeader(status int) {
-}
-
-func (f *FooResponseWriter) Write(b []byte) (int, error) {
-	return len(b), nil
-}
-
 func (l *Logger) Wrap() func(chain.Handler) chain.Handler {
 	return func(other chain.Handler) chain.Handler {
 		return chain.HandlerFunc(func(ctx context.Context, h http.ResponseWriter, r *http.Request) {