diff --git a/lock_api/src/mutex.rs b/lock_api/src/mutex.rs
index c97e5430..a302c87a 100644
--- a/lock_api/src/mutex.rs
+++ b/lock_api/src/mutex.rs
@@ -485,6 +485,7 @@ where
 ///
 /// The data protected by the mutex can be accessed through this guard via its
 /// `Deref` and `DerefMut` implementations.
+#[clippy::has_significant_drop]
 #[must_use = "if unused the Mutex will immediately unlock"]
 pub struct MutexGuard<'a, R: RawMutex, T: ?Sized> {
     mutex: &'a Mutex<R, T>,