diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c
index 2960e26c6ea4c756064db41cc7d39c14f058068b..aa25cda21d22ae16262fcadfbd2704bdceea66eb 100644
--- a/samples/vfio-mdev/mbochs.c
+++ b/samples/vfio-mdev/mbochs.c
@@ -803,15 +803,6 @@ static void mbochs_release_dmabuf(struct dma_buf *buf)
 	mutex_unlock(&mdev_state->ops_lock);
 }
 
-static void *mbochs_kmap_atomic_dmabuf(struct dma_buf *buf,
-				       unsigned long page_num)
-{
-	struct mbochs_dmabuf *dmabuf = buf->priv;
-	struct page *page = dmabuf->pages[page_num];
-
-	return kmap_atomic(page);
-}
-
 static void *mbochs_kmap_dmabuf(struct dma_buf *buf, unsigned long page_num)
 {
 	struct mbochs_dmabuf *dmabuf = buf->priv;
@@ -824,7 +815,6 @@ static struct dma_buf_ops mbochs_dmabuf_ops = {
 	.map_dma_buf	  = mbochs_map_dmabuf,
 	.unmap_dma_buf	  = mbochs_unmap_dmabuf,
 	.release	  = mbochs_release_dmabuf,
-	.map_atomic	  = mbochs_kmap_atomic_dmabuf,
 	.map		  = mbochs_kmap_dmabuf,
 	.mmap		  = mbochs_mmap_dmabuf,
 };