diff --git a/debian/maintscript b/debian/maintscript
new file mode 100644
index 0000000..12b8cbd
--- /dev/null
+++ b/debian/maintscript
@@ -0,0 +1,3 @@
+# Remove obsolete KDM conf file used to override default theme
+rm_conffile /etc/default/kdm.d/10_desktop-base 9.0.0~ desktop-base
+
diff --git a/debian/postinst b/debian/postinst
index 6ebd71a..4fae30d 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -1,6 +1,9 @@
 #!/bin/bash -e
 set -e
 
+# Tag to allow some debhelper commands to inject relevant code
+#DEBHELPER#
+
 if [[ "$1" = "configure" || "$1" = "abort-upgrade" || "$1" = "abort-remove" ]]; then
     # Theme package alternatives
     while read theme priority; do
diff --git a/debian/postrm b/debian/postrm
index f8ae2e3..8be72d8 100644
--- a/debian/postrm
+++ b/debian/postrm
@@ -1,6 +1,9 @@
 #!/bin/sh -e
 set -e
 
+# Tag to allow some debhelper commands to inject relevant code
+#DEBHELPER#
+
 if [ "$1" = "remove" ] || [ "$1" = "deconfigure" ]; then
     if which update-grub2 > /dev/null ; then
         update-grub2 || true
diff --git a/debian/preinst b/debian/preinst
index 6701169..7282669 100644
--- a/debian/preinst
+++ b/debian/preinst
@@ -1,6 +1,9 @@
 #!/bin/sh -e
 set -e
 
+# Tag to allow some debhelper commands to inject relevant code
+#DEBHELPER#
+
 if [ "${1}" = "upgrade" ]; then
     if dpkg --compare-versions ${2} lt 0.3.11 && dpkg --compare-versions ${2} gt 0.3.5; then
         update-alternatives --remove gnome-splash \
diff --git a/debian/prerm b/debian/prerm
index 334a788..55ac9f0 100644
--- a/debian/prerm
+++ b/debian/prerm
@@ -1,6 +1,7 @@
 #!/bin/sh -e
 set -e
 
+# Tag to allow some debhelper commands to inject relevant code
 #DEBHELPER#
 
 if [ "$1" = "remove" ] || [ "$1" = "deconfigure" ]; then