diff --git a/lib/bdev/bdev.c b/lib/bdev/bdev.c
index 82efcc7ff..3c8c1ab54 100644
--- a/lib/bdev/bdev.c
+++ b/lib/bdev/bdev.c
@@ -1235,8 +1235,6 @@ _spdk_bdev_qos_io_to_limit(struct spdk_bdev_io *bdev_io)
 	case SPDK_BDEV_IO_TYPE_NVME_IO_MD:
 	case SPDK_BDEV_IO_TYPE_READ:
 	case SPDK_BDEV_IO_TYPE_WRITE:
-	case SPDK_BDEV_IO_TYPE_UNMAP:
-	case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
 		return true;
 	default:
 		return false;
@@ -1273,8 +1271,6 @@ _spdk_bdev_get_io_size_in_byte(struct spdk_bdev_io *bdev_io)
 		return bdev_io->u.nvme_passthru.nbytes;
 	case SPDK_BDEV_IO_TYPE_READ:
 	case SPDK_BDEV_IO_TYPE_WRITE:
-	case SPDK_BDEV_IO_TYPE_UNMAP:
-	case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
 		return bdev_io->u.bdev.num_blocks * bdev->blocklen;
 	default:
 		return 0;