diff --git a/network/bluecoat/snmp/mode/hardware.pm b/network/bluecoat/snmp/mode/hardware.pm
index 9ec141824..e96ca16e9 100644
--- a/network/bluecoat/snmp/mode/hardware.pm
+++ b/network/bluecoat/snmp/mode/hardware.pm
@@ -25,10 +25,6 @@ use base qw(centreon::plugins::templates::hardware);
 use strict;
 use warnings;
 
-my $thresholds = {
-    
-};
-
 sub set_system {
     my ($self, %options) = @_;