diff --git a/crates/flycheck/src/lib.rs b/crates/flycheck/src/lib.rs
index 7256f07688..34996280ca 100644
--- a/crates/flycheck/src/lib.rs
+++ b/crates/flycheck/src/lib.rs
@@ -250,7 +250,6 @@ impl FlycheckActor {
 }
 
 struct CargoHandle {
-    #[allow(unused)]
     thread: jod_thread::JoinHandle<io::Result<()>>,
     receiver: Receiver<CargoMessage>,
 }