diff --git a/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp b/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp
index 712631be63..9b3d30a0be 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoMeasure.cpp
@@ -69,7 +69,8 @@ void GLGizmoMeasure::data_changed()
         selection.is_from_single_object() ) {        
         model_object = selection.get_model()->objects[selection.get_object_idx()];
     }    
-    set_flattening_data(model_object);
+    if (model_object != m_old_model_object)
+        update_if_needed();
 }
 
 
@@ -247,12 +248,6 @@ void GLGizmoMeasure::on_render()
     #error NOT IMPLEMENTED
 #endif
 
-void GLGizmoMeasure::set_flattening_data(const ModelObject* model_object)
-{
-    if (model_object != m_old_model_object)
-        update_if_needed();
-}
-
 
 void GLGizmoMeasure::update_if_needed()
 {
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoMeasure.hpp b/src/slic3r/GUI/Gizmos/GLGizmoMeasure.hpp
index 9094007b5d..e1460c2146 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoMeasure.hpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoMeasure.hpp
@@ -50,7 +50,6 @@ private:
     std::vector<std::unique_ptr<GLModel>> m_plane_models;
 
     void update_if_needed();
-    void set_flattening_data(const ModelObject* model_object);
 
 public:
     GLGizmoMeasure(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id);
@@ -63,6 +62,7 @@ public:
     bool on_mouse(const wxMouseEvent &mouse_event) override;
 
     void data_changed() override;
+
 protected:
     bool on_init() override;
     std::string on_get_name() const override;