diff --git a/lib/Slic3r/Print/Region.pm b/lib/Slic3r/Print/Region.pm
index 0f20f8611..b54775976 100644
--- a/lib/Slic3r/Print/Region.pm
+++ b/lib/Slic3r/Print/Region.pm
@@ -36,7 +36,6 @@ sub flow {
         }
     }
     if ($config_width eq '0') {
-        use XXX; ZZZ "Here" if !defined $object;
         $config_width = $object->config->extrusion_width;
     }