diff --git a/xs/src/libslic3r/TriangleMesh.cpp b/xs/src/libslic3r/TriangleMesh.cpp
index 95f6ea33d..2551e0165 100644
--- a/xs/src/libslic3r/TriangleMesh.cpp
+++ b/xs/src/libslic3r/TriangleMesh.cpp
@@ -108,6 +108,7 @@ void TriangleMesh::clone(const TriangleMesh& other) {
     }
 }
 
+#ifndef SLIC3RXS
 TriangleMesh::TriangleMesh(TriangleMesh&& other) {
     this->repaired = std::move(other.repaired);
     this->stl = std::move(other.stl);
@@ -120,6 +121,7 @@ TriangleMesh& TriangleMesh::operator= (TriangleMesh&& other)
 
     return *this;
 }
+#endif
 
 void
 TriangleMesh::swap(TriangleMesh &other)
diff --git a/xs/src/libslic3r/TriangleMesh.hpp b/xs/src/libslic3r/TriangleMesh.hpp
index 6bf113686..84104e5b8 100644
--- a/xs/src/libslic3r/TriangleMesh.hpp
+++ b/xs/src/libslic3r/TriangleMesh.hpp
@@ -47,10 +47,11 @@ class TriangleMesh
     ///  copy assignment
     TriangleMesh& operator= (const TriangleMesh& other);
 
+#ifndef SLIC3RXS
     /// Move assignment
     TriangleMesh& operator= (TriangleMesh&& other);
     TriangleMesh(TriangleMesh&& other);
-
+#endif 
     void swap(TriangleMesh &other);
     ~TriangleMesh();
     void ReadSTLFile(const std::string &input_file);