diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index e59ebc962d..f1a667c672 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -677,12 +677,6 @@ static const BlockDevOps virtio_block_ops = {
     .resize_cb = virtio_blk_resize,
 };
 
-void virtio_blk_set_conf(DeviceState *dev, VirtIOBlkConf *blk)
-{
-    VirtIOBlock *s = VIRTIO_BLK(dev);
-    memcpy(&(s->blk), blk, sizeof(struct VirtIOBlkConf));
-}
-
 #ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
 /* Disable dataplane thread during live migration since it does not
  * update the dirty memory bitmap yet.
diff --git a/include/hw/virtio/virtio-blk.h b/include/hw/virtio/virtio-blk.h
index 1d80bcc0dc..52e5add925 100644
--- a/include/hw/virtio/virtio-blk.h
+++ b/include/hw/virtio/virtio-blk.h
@@ -178,8 +178,6 @@ typedef struct VirtIOBlockReq {
         DEFINE_PROP_BIT("config-wce", _state, _field.config_wce, 0, true),    \
         DEFINE_PROP_IOTHREAD("x-iothread", _state, _field.iothread)
 
-void virtio_blk_set_conf(DeviceState *dev, VirtIOBlkConf *blk);
-
 int virtio_blk_handle_scsi_req(VirtIOBlock *blk,
                                VirtQueueElement *elem);