diff --git a/library/std/src/sys/unsupported/locks/mod.rs b/library/std/src/sys/unsupported/locks/mod.rs
index 35bd59130346f..d412ff152a047 100644
--- a/library/std/src/sys/unsupported/locks/mod.rs
+++ b/library/std/src/sys/unsupported/locks/mod.rs
@@ -2,5 +2,5 @@ mod condvar;
 mod mutex;
 mod rwlock;
 pub use condvar::{Condvar, MovableCondvar};
-pub use mutex::{MovableMutex, Mutex, ReentrantMutex};
+pub use mutex::{MovableMutex, Mutex};
 pub use rwlock::{MovableRwLock, RwLock};