diff --git a/files/common/etc/default/grub.d/override.cfg b/files/common/etc/default/grub.d/override.cfg
index 8d45d6c79..fe831d5d3 100644
--- a/files/common/etc/default/grub.d/override.cfg
+++ b/files/common/etc/default/grub.d/override.cfg
@@ -27,14 +27,6 @@ GRUB_SERIAL_COMMAND="serial --speed=38400 --unit=0 --word=8 --parity=no --stop=1
 #
 GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT mitigations=off"
 
-#
-# Disable IPv6 because it is not supported by the Delphix appliance. We
-# do so here, and not from systemd-sysctl, because while configuring
-# net.ipv6.conf.{default,all}.disable_ipv6 works for the currently
-# installed interfaces, new interfaces don't pick up that parameter.
-#
-GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT ipv6.disable=1"
-
 #
 # On Delphix appliance, disks should have 'noop' I/O scheduler since they
 # would be under ZFS control.