diff --git a/crates/teloxide/src/update_listeners.rs b/crates/teloxide/src/update_listeners.rs
index 66ca97d4..de2c4228 100644
--- a/crates/teloxide/src/update_listeners.rs
+++ b/crates/teloxide/src/update_listeners.rs
@@ -44,6 +44,8 @@ mod polling;
 #[allow(deprecated)]
 pub use self::polling::{polling, polling_default, Polling, PollingBuilder, PollingStream};
 
+type BoxFut<'a, T> = Pin<Box<dyn Future<Output = T> + Send + 'a>>;
+
 /// An update listener.
 ///
 /// Implementors of this trait allow getting updates from Telegram. See
@@ -73,9 +75,7 @@ pub trait UpdateListener {
     /// should call `set_webhook`.
     ///
     /// [`Stream`]: AsUpdateStream::Stream
-    fn listen(
-        &mut self,
-    ) -> Pin<Box<dyn Future<Output = Result<Self::Stream<'_>, Self::SetupErr>> + Send + '_>>;
+    fn listen(&mut self) -> BoxFut<'_, Result<Self::Stream<'_>, Self::SetupErr>>;
 
     /// Hint which updates should the listener listen for.
     ///
diff --git a/crates/teloxide/src/update_listeners/polling.rs b/crates/teloxide/src/update_listeners/polling.rs
index 2cea9bd1..8686fe5e 100644
--- a/crates/teloxide/src/update_listeners/polling.rs
+++ b/crates/teloxide/src/update_listeners/polling.rs
@@ -447,9 +447,9 @@ fn polling_is_send() {
     assert_send(&polling.listen());
     assert_send(&polling.stop_token());
 
-    _ = async {
+    drop(async {
         assert_send(&polling.listen().await.unwrap());
-    };
+    });
 
     fn assert_send(_: &impl Send) {}
 }