diff --git a/block/vhdx.c b/block/vhdx.c
index fa9e544a5e..645dc4b4f4 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -1164,9 +1164,6 @@ static int vhdx_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
 
     bdi->cluster_size = s->block_size;
 
-    bdi->unallocated_blocks_are_zero =
-        (s->params.data_bits & VHDX_PARAMS_HAS_PARENT) == 0;
-
     return 0;
 }