diff --git a/src/gio.rs b/src/gio.rs
index 2ca16b7..114db7e 100644
--- a/src/gio.rs
+++ b/src/gio.rs
@@ -71,7 +71,7 @@ pub struct IOStreamAsyncReadWrite<T: IsA<gio::IOStream>> {
 
 impl<T: IsA<gio::IOStream>> IOStreamAsyncReadWrite<T> {
     /// Create a new `gio::IOStream` adapter
-    pub fn new(stream: T) -> Result<IOStreamAsyncReadWrite<T>, T> {
+    fn new(stream: T) -> Result<IOStreamAsyncReadWrite<T>, T> {
         let write = stream
             .get_output_stream()
             .and_then(|s| s.dynamic_cast::<gio::PollableOutputStream>().ok())