diff --git a/demo-cfgs/cmdline.txt b/demo-cfgs/cmdline.txt
index b8838aeae..2d35810e8 100755
--- a/demo-cfgs/cmdline.txt
+++ b/demo-cfgs/cmdline.txt
@@ -1 +1 @@
-root=LABEL=writable rw rootfstype=ext4 console=ttyS0,115200n81 quiet splash plymouth.ignore-serial-consoles vt.global_cursor_default=1 irqchip.gicv3_pseudo_nmi=0 net.ifnames=0 ipv6.disable=1
+root=LABEL=writable rw rootfstype=ext4 console=ttyS0,115200n81 quiet splash plymouth.ignore-serial-consoles vt.global_cursor_default=1 irqchip.gicv3_pseudo_nmi=0 net.ifnames=0
diff --git a/demo-cfgs/extlinux_cpcm5_genbook.conf b/demo-cfgs/extlinux_cpcm5_genbook.conf
index 9078da010..951280a80 100755
--- a/demo-cfgs/extlinux_cpcm5_genbook.conf
+++ b/demo-cfgs/extlinux_cpcm5_genbook.conf
@@ -4,4 +4,4 @@ label Linux coolpi
 	kernel /Image
 	initrd /initrd.img
 	fdt    /rk3588-cpcm5-genbook.dtb
-	append root=LABEL=writable rw rootfstype=ext4 console=ttyS0,115200n81 quiet splash plymouth.ignore-serial-consoles vt.global_cursor_default=1 irqchip.gicv3_pseudo_nmi=0 net.ifnames=0 ipv6.disable=1
+	append root=LABEL=writable rw rootfstype=ext4 console=ttyS0,115200n81 quiet splash plymouth.ignore-serial-consoles vt.global_cursor_default=1 irqchip.gicv3_pseudo_nmi=0 net.ifnames=0