diff --git a/response.go b/response.go
index b939e5b..8718b3e 100644
--- a/response.go
+++ b/response.go
@@ -130,8 +130,7 @@ type ResponseWriter struct {
 	conn        net.Conn
 }
 
-// NewResponseWriter returns a ResponseWriter that uses the provided io.WriteCloser.
-func NewResponseWriter(w io.WriteCloser) *ResponseWriter {
+func newResponseWriter(w io.WriteCloser) *ResponseWriter {
 	return &ResponseWriter{
 		bw: bufio.NewWriter(w),
 		cl: w,
diff --git a/response_test.go b/response_test.go
index 2920d64..a63ea5e 100644
--- a/response_test.go
+++ b/response_test.go
@@ -109,7 +109,7 @@ func TestReadWriteResponse(t *testing.T) {
 		}
 
 		var b strings.Builder
-		w := NewResponseWriter(nopCloser{&b})
+		w := newResponseWriter(nopCloser{&b})
 		w.WriteHeader(test.Status, test.Meta)
 		io.Copy(w, strings.NewReader(test.Body))
 		if err := w.Flush(); err != nil {
diff --git a/server.go b/server.go
index dc327c6..9495caa 100644
--- a/server.go
+++ b/server.go
@@ -359,7 +359,7 @@ func (srv *Server) serveConn(ctx context.Context, conn net.Conn) error {
 		rc:     conn,
 	}
 
-	w := NewResponseWriter(cw)
+	w := newResponseWriter(cw)
 	w.conn = conn
 
 	req, err := ReadRequest(r)