diff --git a/block.c b/block.c
index 0a062c9a7c..22647b221a 100644
--- a/block.c
+++ b/block.c
@@ -2487,10 +2487,6 @@ int bdrv_truncate(BlockDriverState *bs, int64_t offset)
         return -EACCES;
     if (bdrv_in_use(bs))
         return -EBUSY;
-
-    /* There better not be any in-flight IOs when we truncate the device. */
-    bdrv_drain_all();
-
     ret = drv->bdrv_truncate(bs, offset);
     if (ret == 0) {
         ret = refresh_total_sectors(bs, offset >> BDRV_SECTOR_BITS);