diff --git a/README.md b/README.md
index c51e72e..35f1a66 100644
--- a/README.md
+++ b/README.md
@@ -26,11 +26,6 @@ make build/bzImage
 ```
 (or `make build/Image` for Arm64 host)
 
-Download and build Busybox for root file system from scratch:
-```shell
-make rootfs
-```
-
 Run Linux guest with `kvm-host`:
 ```shell
 make check