diff --git a/Info/CiscoStats.pm b/Info/CiscoStats.pm
index 3438295d..ac7f221d 100644
--- a/Info/CiscoStats.pm
+++ b/Info/CiscoStats.pm
@@ -131,7 +131,7 @@ sub os {
         return 'fwsm';
     }
 
-    return undef;
+    return;
 }
 
 sub os_ver {
@@ -202,7 +202,7 @@ sub os_ver {
         return $1;
     }
 
-    return undef;
+    return;
 }
 
 sub cpu {
diff --git a/Info/CiscoStpExtensions.pm b/Info/CiscoStpExtensions.pm
index 4d500e65..d0677abc 100644
--- a/Info/CiscoStpExtensions.pm
+++ b/Info/CiscoStpExtensions.pm
@@ -27,7 +27,6 @@
 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 package SNMP::Info::CiscoStpExtensions;
-$VERSION = '2.01';
 
 use strict;
 
@@ -36,6 +35,7 @@ use SNMP::Info;
 use SNMP::Info::Bridge;
 
 use vars qw/$VERSION $DEBUG %MIBS %FUNCS %GLOBALS %MUNGE %PORTSTAT $INIT/;
+$VERSION = '2.01';
 @SNMP::Info::CiscoStpExtensions::ISA = qw/SNMP::Info::Bridge SNMP::Info Exporter/;
 @SNMP::Info::CiscoStpExtensions::EXPORT_OK = qw//;