diff --git a/lib/Slic3r/GUI/SkeinPanel.pm b/lib/Slic3r/GUI/SkeinPanel.pm
index 1b7f9487d2..127c136c81 100644
--- a/lib/Slic3r/GUI/SkeinPanel.pm
+++ b/lib/Slic3r/GUI/SkeinPanel.pm
@@ -497,7 +497,7 @@ sub config {
                 my $value = $filament_config->get($opt_key);
                 next unless ref $value eq 'ARRAY';
                 $value->[$i] = $config->get($opt_key)->[0];
-                use XXX; YYY $value if $opt_key eq 'first_layer_temperature';
+#                use XXX; YYY $value if $opt_key eq 'first_layer_temperature';
                 $filament_config->set($opt_key, $value);
             }
         }