diff --git a/xCAT-server/share/xcat/install/ubuntu/compute.tmpl b/xCAT-server/share/xcat/install/ubuntu/compute.tmpl
index 816e94ba0..8ba6f196f 100644
--- a/xCAT-server/share/xcat/install/ubuntu/compute.tmpl
+++ b/xCAT-server/share/xcat/install/ubuntu/compute.tmpl
@@ -68,6 +68,8 @@ d-i time/zone string #TABLE:site:key=timezone:value#
 
 d-i apt-setup/multiverse boolean false
 d-i apt-setup/universe boolean false
+d-i apt-setup/backports boolean false
+d-i apt-setup/updates boolean false
 
 
 ### Boot loader installation
@@ -81,7 +83,7 @@ tasksel tasksel/first multiselect standard
 # gawk required for the xCAT scripts to work
 # Otherwise it installs mawk, which doesn't work
 
-d-i pkgsel/include string openssh-server ntp gawk nfs-common snmpd #INCLUDE_DEFAULT_PKGLIST_PRESEED#
+d-i pkgsel/include string #INCLUDE_DEFAULT_PKGLIST_PRESEED#
 
 d-i debian-installer/allow_unauthenticated string true
 d-i pkgsel/update-policy select none