diff --git a/src/libslic3r/Print.cpp b/src/libslic3r/Print.cpp
index 5b23dc260..4c5d7b851 100644
--- a/src/libslic3r/Print.cpp
+++ b/src/libslic3r/Print.cpp
@@ -469,11 +469,13 @@ std::string Print::validate(std::string* warning) const
         return _u8L("The supplied settings will cause an empty print.");
 
     if (m_config.complete_objects) {
-    	if (! sequential_print_horizontal_clearance_valid(*this))
+        if (!sequential_print_horizontal_clearance_valid(*this, const_cast<Polygons*>(&m_sequential_print_clearance_polygons)))
             return _u8L("Some objects are too close; your extruder will collide with them.");
-        if (! sequential_print_vertical_clearance_valid(*this))
-	        return _u8L("Some objects are too tall and cannot be printed without extruder collisions.");
+        if (!sequential_print_vertical_clearance_valid(*this))
+            return _u8L("Some objects are too tall and cannot be printed without extruder collisions.");
     }
+    else
+        const_cast<Polygons*>(&m_sequential_print_clearance_polygons)->clear();
 
     if (m_config.avoid_crossing_perimeters && m_config.avoid_crossing_curled_overhangs) {
         return _u8L("Avoid crossing perimeters option and avoid crossing curled overhangs option cannot be both enabled together.");
diff --git a/src/libslic3r/Print.hpp b/src/libslic3r/Print.hpp
index 30f6bb41a..ba0a448c7 100644
--- a/src/libslic3r/Print.hpp
+++ b/src/libslic3r/Print.hpp
@@ -609,6 +609,7 @@ public:
     const PrintRegion&          get_print_region(size_t idx) const  { return *m_print_regions[idx]; }
     const ToolOrdering&         get_tool_ordering() const { return m_wipe_tower_data.tool_ordering; }
 
+    const Polygons& get_sequential_print_clearance_polygons() const { return m_sequential_print_clearance_polygons; }
     static bool sequential_print_horizontal_clearance_valid(const Print& print, Polygons* polygons = nullptr);
 
 protected:
@@ -658,6 +659,9 @@ private:
     // Estimated print time, filament consumed.
     PrintStatistics                         m_print_statistics;
 
+    // Cache to store sequential print clearance polygons
+    Polygons m_sequential_print_clearance_polygons;
+
     // To allow GCode to set the Print's GCodeExport step status.
     friend class GCode;
     // To allow GCodeProcessor to emit warnings.
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 35308c058..70296e137 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -3306,11 +3306,9 @@ unsigned int Plater::priv::update_background_process(bool force_validation, bool
             return_state |= UPDATE_BACKGROUND_PROCESS_INVALID;
             if (printer_technology == ptFFF) {
                 const Print* print = background_process.fff_print();
-                Polygons polygons;
-                if (print->config().complete_objects)
-                    Print::sequential_print_horizontal_clearance_valid(*print, &polygons);
-                view3D->get_canvas3d()->set_sequential_print_clearance_visible(true);
-                view3D->get_canvas3d()->set_sequential_print_clearance_render_fill(true);
+                const Polygons polygons = print->get_sequential_print_clearance_polygons();
+                view3D->get_canvas3d()->set_sequential_print_clearance_visible(!polygons.empty());
+                view3D->get_canvas3d()->set_sequential_print_clearance_render_fill(!polygons.empty());
                 view3D->get_canvas3d()->set_sequential_print_clearance_polygons(polygons);
             }
         }