--- a/dnssec-keytool.pl	Tue Dec 21 16:20:16 2010 +0100
+++ b/dnssec-keytool.pl	Tue Dec 21 16:37:27 2010 +0100
@@ -4,12 +4,6 @@
 use strict;
 use FindBin;
 
-sub del_double {
-    my %all;
-    grep { $all{$_} = 0 } @_;
-    return (keys %all);
-}
-
 sub read_conf {
 
     # liest die Konfiguration ein