diff --git a/src/slic3r/GUI/GLCanvas3D.hpp b/src/slic3r/GUI/GLCanvas3D.hpp
index e315d4cb4..fee136087 100644
--- a/src/slic3r/GUI/GLCanvas3D.hpp
+++ b/src/slic3r/GUI/GLCanvas3D.hpp
@@ -652,7 +652,6 @@ public:
     void set_toolpath_view_type(GCodeViewer::EViewType type);
     void set_volumes_z_range(const std::array<double, 2>& range);
     void set_toolpaths_z_range(const std::array<unsigned int, 2>& range);
-    void set_toolpaths_range(double low, double high);
 
     std::vector<int> load_object(const ModelObject& model_object, int obj_idx, std::vector<int> instance_idxs);
     std::vector<int> load_object(const Model& model, int obj_idx);