diff --git a/block/raw-posix.c b/block/raw-posix.c
index b5f077a8f15a1ad52e6a4e98d2c02a9dc6748d4b..c0b46cac9e8786a7440355027c5ac3a1f7fef68f 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -944,7 +944,9 @@ static ssize_t handle_aiocb_write_zeroes_block(RawPosixAIOData *aiocb)
 
 static ssize_t handle_aiocb_write_zeroes(RawPosixAIOData *aiocb)
 {
+#if defined(CONFIG_FALLOCATE) || defined(CONFIG_XFS)
     BDRVRawState *s = aiocb->bs->opaque;
+#endif
 
     if (aiocb->aio_type & QEMU_AIO_BLKDEV) {
         return handle_aiocb_write_zeroes_block(aiocb);