diff --git a/tokio-stream/tests/watch.rs b/tokio-stream/tests/watch.rs
index 92bcdf497..a56254ede 100644
--- a/tokio-stream/tests/watch.rs
+++ b/tokio-stream/tests/watch.rs
@@ -1,3 +1,5 @@
+#![cfg(feature = "sync")]
+
 use tokio::sync::watch;
 use tokio_stream::wrappers::WatchStream;
 use tokio_stream::StreamExt;