diff --git a/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java b/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java
index 15feee7fb..1e40ab566 100644
--- a/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java
+++ b/core/src/main/java/com/volmit/iris/core/pregenerator/ChunkUpdater.java
@@ -2,40 +2,18 @@ package com.volmit.iris.core.pregenerator;
 
 import com.volmit.iris.Iris;
 import com.volmit.iris.util.collection.KList;
-import com.volmit.iris.util.collection.KMap;
-import com.volmit.iris.util.format.Form;
-import com.volmit.iris.util.math.Position2;
 import com.volmit.iris.util.math.RollingSequence;
 import com.volmit.iris.util.math.Spiraler;
-import com.volmit.iris.util.nbt.mca.Chunk;
 import com.volmit.iris.util.nbt.mca.MCAFile;
 import com.volmit.iris.util.nbt.mca.MCAUtil;
-import com.volmit.iris.util.parallel.BurstExecutor;
-import com.volmit.iris.util.parallel.MultiBurst;
-import com.volmit.iris.util.scheduling.J;
-import com.volmit.iris.util.scheduling.PrecisionStopwatch;
-import it.unimi.dsi.fastutil.ints.IntArrays;
 import org.bukkit.World;
-import org.ehcache.Cache;
-import org.ehcache.CacheManager;
-import org.ehcache.config.builders.CacheConfigurationBuilder;
-import org.ehcache.config.builders.CacheManagerBuilder;
-import org.ehcache.config.builders.ResourcePoolsBuilder;
-import org.ehcache.config.units.EntryUnit;
-import org.ehcache.config.units.MemoryUnit;
-import org.ehcache.spi.serialization.Serializer;
-import org.ehcache.spi.serialization.SerializerException;
 
 
 import java.io.File;
 
-import java.nio.ByteBuffer;
-import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import java.util.concurrent.locks.ReentrantLock;
-
 public class ChunkUpdater {
     private AtomicBoolean cancelled;
     private KList<int[]> chunkMap;
diff --git a/core/src/main/java/com/volmit/iris/util/nbt/mca/Chunk.java b/core/src/main/java/com/volmit/iris/util/nbt/mca/Chunk.java
index 70f78306b..fdd0b969b 100644
--- a/core/src/main/java/com/volmit/iris/util/nbt/mca/Chunk.java
+++ b/core/src/main/java/com/volmit/iris/util/nbt/mca/Chunk.java
@@ -73,10 +73,11 @@ public class Chunk {
     }
 
     public static Chunk newChunk() {
+        World mainWorld = getServer().getWorlds().get(0);
         Chunk c = new Chunk(0);
         c.dataVersion = DEFAULT_DATA_VERSION;
         c.data = new CompoundTag();
-        c.biomes = INMS.get().newBiomeContainer(0, 256);
+        c.biomes = INMS.get().newBiomeContainer(mainWorld.getMinHeight(), mainWorld.getMaxHeight());
         c.data.put("Level", defaultLevel());
         c.status = "full";
         return c;