diff --git a/tests/scripts/subfilter.sh b/tests/scripts/subfilter.sh
index ebc4978ad1..61f17c61d5 100755
--- a/tests/scripts/subfilter.sh
+++ b/tests/scripts/subfilter.sh
@@ -1,10 +1,6 @@
 #! /bin/sh
 #
-# Strip entries that belong to subtree $2 (if any)
+# Strip entries that belong to subtree $1
 #
-if test $# == 0 ; then
-	exit 1
-else
-	awk "/^dn:/&&!/$1\$/ {while (\$1!=\"\") {print \$0;getline} print \"\"}"
-fi
+awk "/^dn:/&&!/$1\$/ {while (\$1!=\"\") {print \$0;getline} print \"\"}"