diff --git a/src/libs/queue.c b/src/libs/queue.c
index 28aaf3e..e38d4a7 100644
--- a/src/libs/queue.c
+++ b/src/libs/queue.c
@@ -104,9 +104,9 @@ int us_queue_get(us_queue_s *queue, void **item, ldf timeout) {
 
 #undef _WAIT_OR_UNLOCK
 
-int us_queue_get_free(us_queue_s *queue) {
+/*int us_queue_get_free(us_queue_s *queue) {
 	US_MUTEX_LOCK(queue->mutex);
 	const uint size = queue->size;
 	US_MUTEX_UNLOCK(queue->mutex);
 	return queue->capacity - size;
-}
+}*/
diff --git a/src/libs/queue.h b/src/libs/queue.h
index 52e3ef7..0cfc2c8 100644
--- a/src/libs/queue.h
+++ b/src/libs/queue.h
@@ -61,4 +61,4 @@ void us_queue_destroy(us_queue_s *queue);
 
 int us_queue_put(us_queue_s *queue, void *item, ldf timeout);
 int us_queue_get(us_queue_s *queue, void **item, ldf timeout);
-int us_queue_get_free(us_queue_s *queue);
+// int us_queue_get_free(us_queue_s *queue);