diff --git a/mods/default/mapgen.lua b/mods/default/mapgen.lua
index 8f41a845..d32a710d 100644
--- a/mods/default/mapgen.lua
+++ b/mods/default/mapgen.lua
@@ -681,15 +681,11 @@ end
 
 -- All mapgens except mgv6
 
-function default.register_biomes(upper_limit)
-
 
 -- Biomes for floatlands
 
 -- TODO Temporary simple biomes to be replaced by special floatland biomes later.
 
-function default.register_floatland_biomes(floatland_level, shadow_limit)
-
 
 
 --