diff --git a/library/terra_material_cache_pcm.cpp b/library/terra_material_cache_pcm.cpp
index e7870fb..15b7b66 100644
--- a/library/terra_material_cache_pcm.cpp
+++ b/library/terra_material_cache_pcm.cpp
@@ -62,25 +62,6 @@ void TerraMaterialCachePCM::set_margin(const int margin) {
 	_packer->set_margin(margin);
 }
 
-//Surfaces
-Ref<TerraSurface> TerraMaterialCachePCM::voxel_surface_get(const int index) {
-	return Ref<TerraSurface>();
-}
-Ref<TerraSurface> TerraMaterialCachePCM::voxel_surface_id_get(const int id) {
-	return Ref<TerraSurface>();
-}
-void TerraMaterialCachePCM::voxel_surface_add(Ref<TerraSurface> value) {
-}
-void TerraMaterialCachePCM::voxel_surface_set(int index, Ref<TerraSurface> value) {
-}
-void TerraMaterialCachePCM::voxel_surface_remove(const int index) {
-}
-int TerraMaterialCachePCM::voxel_surface_get_num() const {
-	return 0;
-}
-void TerraMaterialCachePCM::voxel_surfaces_clear() {
-}
-
 void TerraMaterialCachePCM::refresh_rects() {
 	bool texture_added = false;
 	for (int i = 0; i < _surfaces.size(); i++) {
diff --git a/library/terra_material_cache_pcm.h b/library/terra_material_cache_pcm.h
index 9ce5bb8..7578ac2 100644
--- a/library/terra_material_cache_pcm.h
+++ b/library/terra_material_cache_pcm.h
@@ -64,14 +64,6 @@ public:
 	int get_margin() const;
 	void set_margin(const int margin);
 
-	Ref<TerraSurface> voxel_surface_get(const int index);
-	Ref<TerraSurface> voxel_surface_id_get(const int id);
-	void voxel_surface_add(Ref<TerraSurface> value);
-	void voxel_surface_set(const int index, Ref<TerraSurface> value);
-	void voxel_surface_remove(const int index);
-	int voxel_surface_get_num() const;
-	void voxel_surfaces_clear();
-
 	void refresh_rects();
 
 	void _setup_material_albedo(Ref<Texture> texture);