diff --git a/xs/src/libslic3r/Model.cpp b/xs/src/libslic3r/Model.cpp
index a8e7a6e8c..73f524f63 100644
--- a/xs/src/libslic3r/Model.cpp
+++ b/xs/src/libslic3r/Model.cpp
@@ -609,7 +609,6 @@ TriangleMesh
 ModelObject::mesh() const
 {
     TriangleMesh mesh;
-    TransformationMatrix trafo;
     
     for (ModelInstancePtrs::const_iterator i = this->instances.begin(); i != this->instances.end(); ++i) {
         TransformationMatrix instance_trafo = (*i)->get_trafo_matrix();