diff --git a/README.md b/README.md
index 16c667f..a5c1cde 100644
--- a/README.md
+++ b/README.md
@@ -31,9 +31,6 @@ This script is written to reinstall VPS/VMs to minimal Debian.
 Download the script with curl:
 
     curl -fLO https://raw.githubusercontent.com/bohanyang/debi/master/debi.sh
-    
-    # for IPv6-only machines
-    curl -fLO --resolve 'raw.githubusercontent.com:443:2a04:4e42::133' https://raw.githubusercontent.com/bohanyang/debi/master/debi.sh
 
 or wget: