diff --git a/include/block/coroutine.h b/include/block/coroutine.h
index 4d5c0cfdd72b43b1d9e9d2f0798140f0cb0c5063..b122c0c4fb59b39485eb4af4f59706c3ffbaadaf 100644
--- a/include/block/coroutine.h
+++ b/include/block/coroutine.h
@@ -120,12 +120,6 @@ void qemu_co_queue_init(CoQueue *queue);
  */
 void coroutine_fn qemu_co_queue_wait(CoQueue *queue);
 
-/**
- * Adds the current coroutine to the head of the CoQueue and transfers control to the
- * caller of the coroutine.
- */
-void coroutine_fn qemu_co_queue_wait_insert_head(CoQueue *queue);
-
 /**
  * Restarts the next coroutine in the CoQueue and removes it from the queue.
  *
diff --git a/qemu-coroutine-lock.c b/qemu-coroutine-lock.c
index aeb33b9118a7fec8bade8a385a7923db0efe4cd4..e4860ae42f7713b74f568ccf0c1310f7d632a08e 100644
--- a/qemu-coroutine-lock.c
+++ b/qemu-coroutine-lock.c
@@ -41,14 +41,6 @@ void coroutine_fn qemu_co_queue_wait(CoQueue *queue)
     assert(qemu_in_coroutine());
 }
 
-void coroutine_fn qemu_co_queue_wait_insert_head(CoQueue *queue)
-{
-    Coroutine *self = qemu_coroutine_self();
-    QTAILQ_INSERT_HEAD(&queue->entries, self, co_queue_next);
-    qemu_coroutine_yield();
-    assert(qemu_in_coroutine());
-}
-
 /**
  * qemu_co_queue_run_restart:
  *