diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index b7799c3ae..4881ab64f 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -557,7 +557,6 @@ sub on_export_completed {
 
 sub on_export_failed {
     my $self = shift;
-    my ($message) = @_;
     
     $self->{export_thread}->detach if $self->{export_thread};
     $self->{export_thread} = undef;