diff --git a/lib/dma-virt.c b/lib/dma-virt.c
index dcd4df1f71746c293f8914bca2654a911f34ffe3..5c4f113297213035fe9e78811800cd12eabbee7c 100644
--- a/lib/dma-virt.c
+++ b/lib/dma-virt.c
@@ -51,22 +51,10 @@ static int dma_virt_map_sg(struct device *dev, struct scatterlist *sgl,
 	return nents;
 }
 
-static int dma_virt_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
-	return false;
-}
-
-static int dma_virt_supported(struct device *dev, u64 mask)
-{
-	return true;
-}
-
 const struct dma_map_ops dma_virt_ops = {
 	.alloc			= dma_virt_alloc,
 	.free			= dma_virt_free,
 	.map_page		= dma_virt_map_page,
 	.map_sg			= dma_virt_map_sg,
-	.mapping_error		= dma_virt_mapping_error,
-	.dma_supported		= dma_virt_supported,
 };
 EXPORT_SYMBOL(dma_virt_ops);