diff --git a/lib/bdev/bdev_zone.c b/lib/bdev/bdev_zone.c
index 18780c2a8..3cf2ecb67 100644
--- a/lib/bdev/bdev_zone.c
+++ b/lib/bdev/bdev_zone.c
@@ -109,9 +109,9 @@ spdk_bdev_zone_management(struct spdk_bdev_desc *desc, struct spdk_io_channel *c
 }
 
 static int
-_spdk_bdev_append_with_md(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
-			  void *buf, void *md_buf, uint64_t zone_id, uint64_t num_blocks,
-			  spdk_bdev_io_completion_cb cb, void *cb_arg)
+zone_bdev_append_with_md(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
+			 void *buf, void *md_buf, uint64_t zone_id, uint64_t num_blocks,
+			 spdk_bdev_io_completion_cb cb, void *cb_arg)
 {
 	struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc);
 	struct spdk_bdev_io *bdev_io;
@@ -143,8 +143,8 @@ spdk_bdev_zone_append(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,
 		      void *buf, uint64_t start_lba, uint64_t num_blocks,
 		      spdk_bdev_io_completion_cb cb, void *cb_arg)
 {
-	return _spdk_bdev_append_with_md(desc, ch, buf, NULL, start_lba, num_blocks,
-					 cb, cb_arg);
+	return zone_bdev_append_with_md(desc, ch, buf, NULL, start_lba, num_blocks,
+					cb, cb_arg);
 }
 
 int
@@ -152,8 +152,8 @@ spdk_bdev_zone_append_with_md(struct spdk_bdev_desc *desc, struct spdk_io_channe
 			      void *buf, void *md, uint64_t start_lba, uint64_t num_blocks,
 			      spdk_bdev_io_completion_cb cb, void *cb_arg)
 {
-	return _spdk_bdev_append_with_md(desc, ch, buf, md, start_lba, num_blocks,
-					 cb, cb_arg);
+	return zone_bdev_append_with_md(desc, ch, buf, md, start_lba, num_blocks,
+					cb, cb_arg);
 }
 
 int
diff --git a/lib/bdev/part.c b/lib/bdev/part.c
index 4e2a8449d..01a395591 100644
--- a/lib/bdev/part.c
+++ b/lib/bdev/part.c
@@ -90,7 +90,7 @@ spdk_bdev_part_base_get_bdev_name(struct spdk_bdev_part_base *part_base)
 }
 
 static void
-_spdk_bdev_part_base_free(void *ctx)
+bdev_part_base_free(void *ctx)
 {
 	struct spdk_bdev_desc *desc = ctx;
 
@@ -103,7 +103,7 @@ spdk_bdev_part_base_free(struct spdk_bdev_part_base *base)
 	if (base->desc) {
 		/* Close the underlying bdev on its same opened thread. */
 		if (base->thread && base->thread != spdk_get_thread()) {
-			spdk_thread_send_msg(base->thread, _spdk_bdev_part_base_free, base->desc);
+			spdk_thread_send_msg(base->thread, bdev_part_base_free, base->desc);
 		} else {
 			spdk_bdev_close(base->desc);
 		}