diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 39d83b631107ab2cc36d6548ff439df6aee7b455..70fffed83e956909898dc738963fe9090f97cbce 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -666,7 +666,7 @@ static void __io_cq_unlock_post_flush(struct io_ring_ctx *ctx)
 	}
 }
 
-void io_cq_unlock_post(struct io_ring_ctx *ctx)
+static void io_cq_unlock_post(struct io_ring_ctx *ctx)
 	__releases(ctx->completion_lock)
 {
 	io_commit_cqring(ctx);
diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h
index 20ba6df49b1fb4ade2e1bdd597507f34d315a90f..d3606d30cf6fd871988ce7b04722a54d59bb914a 100644
--- a/io_uring/io_uring.h
+++ b/io_uring/io_uring.h
@@ -110,8 +110,6 @@ static inline void io_req_task_work_add(struct io_kiocb *req)
 #define io_for_each_link(pos, head) \
 	for (pos = (head); pos; pos = pos->link)
 
-void io_cq_unlock_post(struct io_ring_ctx *ctx);
-
 static inline struct io_uring_cqe *io_get_cqe_overflow(struct io_ring_ctx *ctx,
 						       bool overflow)
 {