diff --git a/scene/resources/surface_tool.cpp b/scene/resources/surface_tool.cpp
index 1684cbf15fd..2116dd0b1e9 100644
--- a/scene/resources/surface_tool.cpp
+++ b/scene/resources/surface_tool.cpp
@@ -1021,8 +1021,6 @@ void SurfaceTool::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("generate_normals", "flip"), &SurfaceTool::generate_normals, DEFVAL(false));
 	ClassDB::bind_method(D_METHOD("generate_tangents"), &SurfaceTool::generate_tangents);
 
-	ClassDB::bind_method(D_METHOD("add_to_format", "flags"), &SurfaceTool::add_to_format);
-
 	ClassDB::bind_method(D_METHOD("set_material", "material"), &SurfaceTool::set_material);
 
 	ClassDB::bind_method(D_METHOD("clear"), &SurfaceTool::clear);
diff --git a/scene/resources/surface_tool.h b/scene/resources/surface_tool.h
index 754254150d8..ef13238c137 100644
--- a/scene/resources/surface_tool.h
+++ b/scene/resources/surface_tool.h
@@ -118,8 +118,6 @@ public:
 	void generate_normals(bool p_flip = false);
 	void generate_tangents();
 
-	void add_to_format(int p_flags) { format |= p_flags; }
-
 	void set_material(const Ref<Material> &p_material);
 
 	void clear();