diff --git a/debian/changelog b/debian/changelog
index b817efd78..df3cdcf15 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,21 @@
+nextepc (0.2-6~zesty) zesty; urgency=medium
+
+  * postrm script is improved to purge package completely.
+
+ -- Sukchan Lee <acetcom@gmail.com>  Fri, 03 Nov 2017 02:25:37 +0000
+
+nextepc (0.2-6~xenial) xenial; urgency=medium
+
+  * postrm script is improved to purge package completely.
+
+ -- Sukchan Lee <acetcom@gmail.com>  Fri, 03 Nov 2017 02:23:54 +0000
+
+nextepc (0.2-6~artful) artful; urgency=medium
+
+  * postrm script is improved to purge package completely.
+
+ -- Sukchan Lee <acetcom@gmail.com>  Fri, 03 Nov 2017 02:00:14 +0000
+
 nextepc (0.2-5~artful) artful; urgency=medium
 
   * Relase 0.2
diff --git a/debian/nextepc-core.postrm b/debian/nextepc-core.postrm
new file mode 100644
index 000000000..c55098403
--- /dev/null
+++ b/debian/nextepc-core.postrm
@@ -0,0 +1,44 @@
+#!/bin/sh
+# postrm script for nextepc-core
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <postrm> `remove'
+#        * <postrm> `purge'
+#        * <old-postrm> `upgrade' <new-version>
+#        * <new-postrm> `failed-upgrade' <old-version>
+#        * <new-postrm> `abort-install'
+#        * <new-postrm> `abort-install' <old-version>
+#        * <new-postrm> `abort-upgrade' <old-version>
+#        * <disappearer's-postrm> `disappear' <overwriter>
+#          <overwriter-version>
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+
+case "$1" in
+    purge)
+        rm -f /var/log/nextepc/*.log || true
+        rmdir /var/log/nextepc || true
+        ;;
+
+    remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+        ;;
+
+    *)
+        echo "postrm called with unknown argument \`$1'" >&2
+        exit 1
+        ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0
+
+
diff --git a/debian/nextepc-pgw.postrm b/debian/nextepc-pgw.postrm
new file mode 100644
index 000000000..a2a34e92b
--- /dev/null
+++ b/debian/nextepc-pgw.postrm
@@ -0,0 +1,45 @@
+#!/bin/sh
+# postrm script for nextepc-core
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <postrm> `remove'
+#        * <postrm> `purge'
+#        * <old-postrm> `upgrade' <new-version>
+#        * <new-postrm> `failed-upgrade' <old-version>
+#        * <new-postrm> `abort-install'
+#        * <new-postrm> `abort-install' <old-version>
+#        * <new-postrm> `abort-upgrade' <old-version>
+#        * <disappearer's-postrm> `disappear' <overwriter>
+#          <overwriter-version>
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+
+case "$1" in
+    purge)
+    if grep "pgwtun" /proc/net/dev > /dev/null; then
+        ip tuntap del name pgwtun mode tun
+    fi
+    ;;
+
+    remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+        ;;
+
+    *)
+        echo "postrm called with unknown argument \`$1'" >&2
+        exit 1
+        ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0
+
+