1 files changed, 2 insertions, 3 deletions

diff --git a/embassy-sync/src/mutex.rs b/embassy-sync/src/mutex.rs
index 08f66e374..f25f74336 100644
--- a/embassy-sync/src/mutex.rs
+++ b/embassy-sync/src/mutex.rs
@@ -2,7 +2,7 @@
 //!
 //! This module provides a mutex that can be used to synchronize data between asynchronous tasks.
 use core::cell::{RefCell, UnsafeCell};
-use core::future::poll_fn;
+use core::future::{poll_fn, Future};
 use core::ops::{Deref, DerefMut};
 use core::task::Poll;
 use core::{fmt, mem};
@@ -73,7 +73,7 @@ where
     /// Lock the mutex.
     ///
     /// This will wait for the mutex to be unlocked if it's already locked.
-    pub async fn lock(&self) -> MutexGuard<'_, M, T> {
+    pub fn lock(&self) -> impl Future<Output = MutexGuard<'_, M, T>> {
         poll_fn(|cx| {
             let ready = self.state.lock(|s| {
                 let mut s = s.borrow_mut();
@@ -92,7 +92,6 @@ where
                 Poll::Pending
             }
         })
-        .await
     }
 
     /// Attempt to immediately lock the mutex.