diff --git a/xs/src/Layer.hpp b/xs/src/Layer.hpp
index a36d15c48..ca876be99 100644
--- a/xs/src/Layer.hpp
+++ b/xs/src/Layer.hpp
@@ -82,18 +82,20 @@ class Layer {
 
 
     size_t region_count();
-    void clear_regions();
     LayerRegion* get_region(int idx);
     LayerRegion* add_region(PrintRegion* print_region);
-    void delete_region(int idx);
 
     protected:
     int _id;     // sequential number of layer, 0-based
     PrintObject *_object;
 
+
     Layer(int id, PrintObject *object, coordf_t height, coordf_t print_z,
         coordf_t slice_z);
     virtual ~Layer();
+
+    void clear_regions();
+    void delete_region(int idx);
 };
 
 
diff --git a/xs/src/Print.hpp b/xs/src/Print.hpp
index e1b321653..8896ccd02 100644
--- a/xs/src/Print.hpp
+++ b/xs/src/Print.hpp
@@ -154,9 +154,11 @@ class Print
         const BoundingBoxf3 &modobj_bbox);
     void delete_object(int idx);
 
-    void clear_regions();
     PrintRegion* get_region(int idx);
     PrintRegion* add_region();
+
+    private:
+    void clear_regions();
     void delete_region(int idx);
 };
 
diff --git a/xs/xsp/Layer.xsp b/xs/xsp/Layer.xsp
index 504dbfac9..35cf6f9ea 100644
--- a/xs/xsp/Layer.xsp
+++ b/xs/xsp/Layer.xsp
@@ -52,7 +52,6 @@
         %code%{ THIS->lower_layer = layer; %};
 
     size_t region_count();
-    void clear_regions();
     Ref<LayerRegion> get_region(int idx);
     Ref<LayerRegion> add_region(PrintRegion* print_region);
 
@@ -96,10 +95,8 @@
         %code%{ THIS->lower_layer = layer; %};
 
     size_t region_count();
-    void clear_regions();
     Ref<LayerRegion> get_region(int idx);
     Ref<LayerRegion> add_region(PrintRegion* print_region);
-    void delete_region(int idx);
 
     Ref<ExPolygonCollection> slices()
         %code%{ RETVAL = &THIS->slices; %};
diff --git a/xs/xsp/Print.xsp b/xs/xsp/Print.xsp
index 329fd49a8..2e9d32e7c 100644
--- a/xs/xsp/Print.xsp
+++ b/xs/xsp/Print.xsp
@@ -158,7 +158,6 @@ _constant()
 
     PrintRegionPtrs* regions()
         %code%{ RETVAL = &THIS->regions; %};
-    void clear_regions();
     Ref<PrintRegion> get_region(int idx);
     Ref<PrintRegion> add_region();
     size_t region_count()