diff --git a/package/harvester-os/iso/boot/grub2/grub.cfg b/package/harvester-os/iso/boot/grub2/grub.cfg
index ff49de8de..e0c7e0b02 100644
--- a/package/harvester-os/iso/boot/grub2/grub.cfg
+++ b/package/harvester-os/iso/boot/grub2/grub.cfg
@@ -22,7 +22,7 @@ if [ -f ${font} ];then
 fi
 menuentry "Harvester Installer ${harvester_version}" --class os --unrestricted {
     echo Loading kernel...
-    $linux ($root)/boot/kernel cdroot root=live:CDLABEL=COS_LIVE rd.live.dir=/ rd.live.squashimg=rootfs.squashfs console=tty1 console=ttyS0 rd.cos.disable net.ifnames=1
+    $linux ($root)/boot/kernel cdroot root=live:CDLABEL=COS_LIVE rd.live.dir=/ rd.live.squashimg=rootfs.squashfs console=tty1 rd.cos.disable net.ifnames=1
     echo Loading initrd...
     $initrd ($root)/boot/initrd
 }
@@ -30,7 +30,7 @@ menuentry "Harvester Installer ${harvester_version}" --class os --unrestricted {
 menuentry "Harvester Installer ${harvester_version} (VGA 1024x768)" --class os --unrestricted {
     set gfxpayload=1024x768x24,1024x768
     echo Loading kernel...
-    $linux ($root)/boot/kernel cdroot root=live:CDLABEL=COS_LIVE rd.live.dir=/ rd.live.squashimg=rootfs.squashfs console=tty1 console=ttyS0 rd.cos.disable net.ifnames=1
+    $linux ($root)/boot/kernel cdroot root=live:CDLABEL=COS_LIVE rd.live.dir=/ rd.live.squashimg=rootfs.squashfs console=tty1 rd.cos.disable net.ifnames=1
     echo Loading initrd...
     $initrd ($root)/boot/initrd
 }