--- /usr/local/share/perl/5.22.1/Amazon/Dash/Button/Device.pm 2018-04-30 20:22:18.956933626 +0200 +++ /usr/local/share/perl/5.22.1/Amazon/Dash/Button/Device_patch.pm 2018-04-30 20:24:31.638601089 +0200 @@ -58,7 +58,8 @@ } sub debug { - warn join( ' ', map { $_ // 'undef' } @_ ); + my $debug = 0; + warn join( ' ', map { $_ // 'undef' } @_ ) if $debug; } sub check {