diff --git a/preupgrade.yml b/preupgrade.yml
index bd721d2..862fd6a 100644
--- a/preupgrade.yml
+++ b/preupgrade.yml
@@ -16,8 +16,6 @@
     - name: Disable IPv6 (will be left disabled post-IPU)
       ansible.builtin.blockinfile:
         path: /etc/sysctl.conf
-        append_newline: true
-        prepend_newline: true
         block: |
           net.ipv6.conf.all.disable_ipv6 = 1
           net.ipv6.conf.default.disable_ipv6 = 1