diff --git a/debian/aptly-api.postrm b/debian/aptly-api.postrm
index 5267dd34..b7ec5041 100755
--- a/debian/aptly-api.postrm
+++ b/debian/aptly-api.postrm
@@ -2,16 +2,6 @@
 
 set -e
 
-case "$1" in
-    purge|remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
-    ;;
-
-    *)
-        echo "postrm called with unknown argument \`$1'" >&2
-        exit 1
-    ;;
-esac
-
 #DEBHELPER#
 
 exit 0
diff --git a/debian/aptly-api.preinst b/debian/aptly-api.preinst
index 2f857aed..b7ec5041 100755
--- a/debian/aptly-api.preinst
+++ b/debian/aptly-api.preinst
@@ -2,19 +2,6 @@
 
 set -e
 
-case "$1" in
-    install|upgrade)
-    ;;
-
-    abort-upgrade)
-    ;;
-
-    *)
-        echo "preinst called with unknown argument \`$1'" >&2
-        exit 1
-    ;;
-esac
-
 #DEBHELPER#
 
 exit 0