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-rw-r--r--tokio/src/sync/mpsc/mod.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/tokio/src/sync/mpsc/mod.rs b/tokio/src/sync/mpsc/mod.rs
index 7927dde6..60ae60cd 100644
--- a/tokio/src/sync/mpsc/mod.rs
+++ b/tokio/src/sync/mpsc/mod.rs
@@ -1,3 +1,5 @@
+#![cfg_attr(not(feature = "sync"), allow(dead_code, unreachable_pub))]
+
//! A multi-producer, single-consumer queue for sending values across
//! asynchronous tasks.
//!