diff --git a/fml/common/cpw/mods/fml/common/FMLCommonHandler.java b/fml/common/cpw/mods/fml/common/FMLCommonHandler.java
index 89bf1dcbe7..49133e840f 100644
--- a/fml/common/cpw/mods/fml/common/FMLCommonHandler.java
+++ b/fml/common/cpw/mods/fml/common/FMLCommonHandler.java
@@ -283,11 +283,6 @@ public class FMLCommonHandler
         return sidedDelegate;
     }
 
-    public void handleWorldGeneration(int chunkX, int chunkZ, long worldSeed, Object... data)
-    {
-        GameRegistry.generateWorld(chunkX, chunkZ, worldSeed, data);
-    }
-
     public void onPostServerTick()
     {
         tickEnd(EnumSet.of(TickType.SERVER), Side.SERVER);
diff --git a/fml/common/cpw/mods/fml/common/modloader/ModLoaderWorldGenerator.java b/fml/common/cpw/mods/fml/common/modloader/ModLoaderWorldGenerator.java
index c8dac3824b..6b6de2dd6c 100644
--- a/fml/common/cpw/mods/fml/common/modloader/ModLoaderWorldGenerator.java
+++ b/fml/common/cpw/mods/fml/common/modloader/ModLoaderWorldGenerator.java
@@ -19,19 +19,15 @@ public class ModLoaderWorldGenerator implements IWorldGenerator
     }
 
     @Override
-    public void generate(Random random, int chunkX, int chunkZ, Object... additionalData)
+    public void generate(Random random, int chunkX, int chunkZ, World world, IChunkProvider chunkGenerator, IChunkProvider chunkProvider)
     {
-        World w = (World) additionalData[0];
-        IChunkProvider cp = (IChunkProvider) additionalData[1];
-
-        if (cp instanceof ChunkProviderGenerate)
+        if (chunkGenerator instanceof ChunkProviderGenerate)
         {
-            mod.generateSurface(w, random, chunkX << 4, chunkZ << 4);
+            mod.generateSurface(world, random, chunkX << 4, chunkZ << 4);
         }
-        else if (cp instanceof ChunkProviderHell)
+        else if (chunkGenerator instanceof ChunkProviderHell)
         {
-            mod.generateNether(w, random, chunkX << 4, chunkZ << 4);
+            mod.generateNether(world, random, chunkX << 4, chunkZ << 4);
         }
     }
-
 }