diff --git a/time/time-lib.pl b/time/time-lib.pl
index 0e66ba431..bd75a18a5 100755
--- a/time/time-lib.pl
+++ b/time/time-lib.pl
@@ -263,17 +263,27 @@ return &has_command("hwclock") &&
        !&running_in_openvz() && !&running_in_zone();
 }
 
+# config_preserve()
+# Returns a list of config options that
+# cannot be shown on the given system
+sub config_preserve
+{
+my @forbidden_keys;
+
+# Do not display timeformat for Linux systems
+push(@forbidden_keys, 'seconds')
+	if ($gconfig{'os_type'} =~ /linux$/);
+
+return @forbidden_keys;
+}
+
 # config_pre_load(mod-info-ref, [mod-order-ref])
 # Check if some config options are conditional,
 # and if not allowed, remove them from listing
 sub config_pre_load
 {
 my ($modconf_info, $modconf_order) = @_;
-my @forbidden_keys;
-
-# Do not display timeformat for Linux systems
-push(@forbidden_keys, 'seconds')
-	if ($gconfig{'os_type'} =~ /linux$/);
+my @forbidden_keys = &config_preserve();
 
 # Remove forbidden from display
 foreach my $fkey (@forbidden_keys) {