diff --git a/src/slic3r/GUI/PartPlate.cpp b/src/slic3r/GUI/PartPlate.cpp
index 3af370c32..48160cca3 100644
--- a/src/slic3r/GUI/PartPlate.cpp
+++ b/src/slic3r/GUI/PartPlate.cpp
@@ -4707,7 +4707,6 @@ void PartPlateList::render_instance(bool bottom, bool only_current, bool only_bo
             shader->set_uniform("view_model_matrix", view_mat * m_plate_trans[m_current_plate].get_matrix());
             shader->set_uniform("projection_matrix", proj_mat);
             if (!bottom) { // draw background
-                render_background(force_background_color);   // for selected_plate
                 render_exclude_area(force_background_color); // for selected_plate
             }
             render_grid(bottom); // for selected_plate
@@ -4783,17 +4782,6 @@ void PartPlateList::render_instance_background(bool force_default_color)
     m_triangles.render_geometry_instance(m_unselected_plate_mats_vbo, m_unselected_plate_trans.size());
 }
 
-void PartPlateList::render_background(bool force_default_color) {
-    ColorRGBA color;
-    if (!force_default_color) {
-        color = PartPlate::SELECT_COLOR;
-    } else {
-        color = PartPlate::DEFAULT_COLOR;
-    }
-    m_triangles.set_color(color);
-    m_triangles.render_geometry();
-}
-
 void PartPlateList::render_exclude_area(bool force_default_color)
 {
     if (force_default_color || !m_exclude_triangles.is_initialized()) // for thumbnail case
diff --git a/src/slic3r/GUI/PartPlate.hpp b/src/slic3r/GUI/PartPlate.hpp
index a95d2d860..216f9dac6 100644
--- a/src/slic3r/GUI/PartPlate.hpp
+++ b/src/slic3r/GUI/PartPlate.hpp
@@ -815,7 +815,6 @@ public:
     void render_instance_grid(bool bottom);
     void render_instance_background(bool force_default_color = false);
     void render_grid(bool bottom);
-    void render_background(bool force_default_color = false);
     void render_exclude_area(bool force_default_color);
     void render_instance_exclude_area(bool force_default_color);