diff --git a/src/include/sof/work.h b/src/include/sof/work.h
index da5679f5f..f1935a3e4 100644
--- a/src/include/sof/work.h
+++ b/src/include/sof/work.h
@@ -84,9 +84,6 @@ void work_reschedule_default(struct work *work, uint64_t timeout);
 void work_reschedule_default_at(struct work *w, uint64_t time);
 void work_cancel_default(struct work *work);
 
-/* create new work queue */
-struct work_queue *work_new_queue(struct work_queue_timesource *ts);
-
 /* init system workq */
 void init_system_workq(struct work_queue_timesource *ts);
 
diff --git a/src/lib/work.c b/src/lib/work.c
index 78c590a24..77e34f910 100644
--- a/src/lib/work.c
+++ b/src/lib/work.c
@@ -484,7 +484,7 @@ void work_cancel_default(struct work *w)
 	work_cancel(*arch_work_queue_get(), w);
 }
 
-struct work_queue *work_new_queue(struct work_queue_timesource *ts)
+static struct work_queue *work_new_queue(struct work_queue_timesource *ts)
 {
 	struct work_queue *queue;