diff --git a/debian/taler-exchange.postrm b/debian/taler-exchange.postrm
index 6c31a4591..6488d268b 100644
--- a/debian/taler-exchange.postrm
+++ b/debian/taler-exchange.postrm
@@ -7,13 +7,16 @@ if [ -f /usr/share/debconf/confmodule ]; then
 fi
 
 case "${1}" in
-purge) ;;
-remove | upgrade | failed-upgrade | abort-install | abort-upgrade | disappear) ;;
+purge)
+    rm -rf /var/lib/taler/exchange-offline /var/lib/taler/exchange-secmod-*
+    ;;
 
+remove | upgrade | failed-upgrade | abort-install | abort-upgrade | disappear)
+    ;;
 *)
-  echo "postrm called with unknown argument \`${1}'" >&2
-  exit 1
-  ;;
+    echo "postrm called with unknown argument \`${1}'" >&2
+    exit 1
+    ;;
 esac
 
 #DEBHELPER#