diff --git a/common/src/main/java/com/dfsek/terra/config/builder/BiomeBuilder.java b/common/src/main/java/com/dfsek/terra/config/builder/BiomeBuilder.java
index 27fdef9f3..a454cb07c 100644
--- a/common/src/main/java/com/dfsek/terra/config/builder/BiomeBuilder.java
+++ b/common/src/main/java/com/dfsek/terra/config/builder/BiomeBuilder.java
@@ -1,12 +1,10 @@
 package com.dfsek.terra.config.builder;
 
-import com.dfsek.terra.api.TerraPlugin;
 import com.dfsek.terra.api.platform.world.Biome;
 import com.dfsek.terra.api.util.collections.ProbabilityCollection;
 import com.dfsek.terra.api.util.seeded.SeededBuilder;
 import com.dfsek.terra.api.world.biome.TerraBiome;
-import com.dfsek.terra.world.TerraWorld;
 
-public interface BiomeBuilder<O extends TerraBiome> extends SeededBuilder<O> {
+public interface BiomeBuilder extends SeededBuilder<TerraBiome> {
     ProbabilityCollection<Biome> getVanillaBiomes();
 }
diff --git a/common/src/main/java/com/dfsek/terra/config/builder/UserDefinedBiomeBuilder.java b/common/src/main/java/com/dfsek/terra/config/builder/UserDefinedBiomeBuilder.java
index a30161b07..e320b7517 100644
--- a/common/src/main/java/com/dfsek/terra/config/builder/UserDefinedBiomeBuilder.java
+++ b/common/src/main/java/com/dfsek/terra/config/builder/UserDefinedBiomeBuilder.java
@@ -17,7 +17,7 @@ import com.dfsek.terra.world.generation.WorldGenerator;
 import java.util.HashMap;
 import java.util.Map;
 
-public class UserDefinedBiomeBuilder implements BiomeBuilder<UserDefinedBiome> {
+public class UserDefinedBiomeBuilder implements BiomeBuilder {
     private final BiomeTemplate template;
     private final ConfigPack pack;
 
diff --git a/common/src/main/java/com/dfsek/terra/config/factories/BiomeFactory.java b/common/src/main/java/com/dfsek/terra/config/factories/BiomeFactory.java
index 8e99d3bfe..c19ea0988 100644
--- a/common/src/main/java/com/dfsek/terra/config/factories/BiomeFactory.java
+++ b/common/src/main/java/com/dfsek/terra/config/factories/BiomeFactory.java
@@ -1,13 +1,12 @@
 package com.dfsek.terra.config.factories;
 
 import com.dfsek.terra.api.TerraPlugin;
-import com.dfsek.terra.api.world.biome.TerraBiome;
-import com.dfsek.terra.config.builder.UserDefinedBiomeBuilder;
 import com.dfsek.terra.config.builder.BiomeBuilder;
+import com.dfsek.terra.config.builder.UserDefinedBiomeBuilder;
 import com.dfsek.terra.config.pack.ConfigPack;
 import com.dfsek.terra.config.templates.BiomeTemplate;
 
-public class BiomeFactory implements ConfigFactory<BiomeTemplate, BiomeBuilder<? extends TerraBiome>> {
+public class BiomeFactory implements ConfigFactory<BiomeTemplate, BiomeBuilder> {
     private final ConfigPack pack;
 
     public BiomeFactory(ConfigPack pack) {
@@ -15,7 +14,7 @@ public class BiomeFactory implements ConfigFactory<BiomeTemplate, BiomeBuilder<?
     }
 
     @Override
-    public BiomeBuilder<? extends TerraBiome> build(BiomeTemplate template, TerraPlugin main) {
+    public BiomeBuilder build(BiomeTemplate template, TerraPlugin main) {
         return new UserDefinedBiomeBuilder(template, pack);
     }
 }
diff --git a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/provider/ImageProviderTemplate.java b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/provider/ImageProviderTemplate.java
index 7524a632e..b66e25cba 100644
--- a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/provider/ImageProviderTemplate.java
+++ b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/provider/ImageProviderTemplate.java
@@ -2,7 +2,6 @@ package com.dfsek.terra.config.loaders.config.biome.templates.provider;
 
 import com.dfsek.tectonic.annotations.Value;
 import com.dfsek.terra.api.registry.Registry;
-import com.dfsek.terra.api.world.biome.TerraBiome;
 import com.dfsek.terra.api.world.biome.provider.BiomeProvider;
 import com.dfsek.terra.api.world.biome.provider.ImageBiomeProvider;
 import com.dfsek.terra.config.builder.BiomeBuilder;
@@ -11,14 +10,14 @@ import java.awt.image.BufferedImage;
 import java.util.stream.Collectors;
 
 public class ImageProviderTemplate extends BiomeProviderTemplate {
-    private final Registry<BiomeBuilder<? extends TerraBiome>> biomes;
+    private final Registry<BiomeBuilder> biomes;
     @Value("image.name")
     private BufferedImage image;
 
     @Value("image.align")
     private ImageBiomeProvider.Align align;
 
-    public ImageProviderTemplate(Registry<BiomeBuilder<? extends TerraBiome>> set) {
+    public ImageProviderTemplate(Registry<BiomeBuilder> set) {
         this.biomes = set;
     }
 
diff --git a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/source/NoiseSourceTemplate.java b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/source/NoiseSourceTemplate.java
index 404c53226..7df6255d0 100644
--- a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/source/NoiseSourceTemplate.java
+++ b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/source/NoiseSourceTemplate.java
@@ -3,7 +3,6 @@ package com.dfsek.terra.config.loaders.config.biome.templates.source;
 import com.dfsek.tectonic.annotations.Value;
 import com.dfsek.terra.api.util.collections.ProbabilityCollection;
 import com.dfsek.terra.api.util.seeded.NoiseSeeded;
-import com.dfsek.terra.api.world.biome.TerraBiome;
 import com.dfsek.terra.api.world.biome.pipeline.source.BiomeSource;
 import com.dfsek.terra.api.world.biome.pipeline.source.RandomSource;
 import com.dfsek.terra.config.builder.BiomeBuilder;
@@ -13,7 +12,7 @@ public class NoiseSourceTemplate extends SourceTemplate {
     private NoiseSeeded noise;
 
     @Value("biomes")
-    private ProbabilityCollection<BiomeBuilder<? extends TerraBiome>> biomes;
+    private ProbabilityCollection<BiomeBuilder> biomes;
 
     @Override
     public BiomeSource apply(Long seed) {
diff --git a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/BorderListMutatorTemplate.java b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/BorderListMutatorTemplate.java
index 492bdc70a..c853ee0a4 100644
--- a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/BorderListMutatorTemplate.java
+++ b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/BorderListMutatorTemplate.java
@@ -22,7 +22,7 @@ public class BorderListMutatorTemplate extends MutatorStageTemplate {
     private ProbabilityCollection<UserDefinedBiomeBuilder> defaultTo;
 
     @Value("replace")
-    private Map<BiomeBuilder<? extends TerraBiome>, ProbabilityCollection<BiomeBuilder<? extends TerraBiome>>> replace;
+    private Map<BiomeBuilder, ProbabilityCollection<BiomeBuilder>> replace;
 
 
     @Override
diff --git a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/BorderMutatorTemplate.java b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/BorderMutatorTemplate.java
index fd44e261c..5502a412f 100644
--- a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/BorderMutatorTemplate.java
+++ b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/BorderMutatorTemplate.java
@@ -2,11 +2,9 @@ package com.dfsek.terra.config.loaders.config.biome.templates.stage.mutator;
 
 import com.dfsek.tectonic.annotations.Value;
 import com.dfsek.terra.api.util.collections.ProbabilityCollection;
-import com.dfsek.terra.api.world.biome.TerraBiome;
 import com.dfsek.terra.api.world.biome.pipeline.mutator.BiomeMutator;
 import com.dfsek.terra.api.world.biome.pipeline.mutator.BorderMutator;
 import com.dfsek.terra.config.builder.BiomeBuilder;
-import com.dfsek.terra.config.builder.UserDefinedBiomeBuilder;
 
 @SuppressWarnings("unused")
 public class BorderMutatorTemplate extends MutatorStageTemplate {
@@ -17,7 +15,7 @@ public class BorderMutatorTemplate extends MutatorStageTemplate {
     private String replace;
 
     @Value("to")
-    private ProbabilityCollection<BiomeBuilder<? extends TerraBiome>> to;
+    private ProbabilityCollection<BiomeBuilder> to;
 
     @Override
     public BiomeMutator build(long seed) {
diff --git a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/ReplaceListMutatorTemplate.java b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/ReplaceListMutatorTemplate.java
index 6635f59c0..d40eec7b4 100644
--- a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/ReplaceListMutatorTemplate.java
+++ b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/ReplaceListMutatorTemplate.java
@@ -6,7 +6,6 @@ import com.dfsek.terra.api.world.biome.TerraBiome;
 import com.dfsek.terra.api.world.biome.pipeline.mutator.BiomeMutator;
 import com.dfsek.terra.api.world.biome.pipeline.mutator.ReplaceListMutator;
 import com.dfsek.terra.config.builder.BiomeBuilder;
-import com.dfsek.terra.config.builder.UserDefinedBiomeBuilder;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -17,10 +16,10 @@ public class ReplaceListMutatorTemplate extends MutatorStageTemplate {
     private String defaultFrom;
 
     @Value("default-to")
-    private ProbabilityCollection<BiomeBuilder<? extends TerraBiome>> defaultTo;
+    private ProbabilityCollection<BiomeBuilder> defaultTo;
 
     @Value("to")
-    private Map<BiomeBuilder<? extends TerraBiome>, ProbabilityCollection<BiomeBuilder<? extends TerraBiome>>> replace;
+    private Map<BiomeBuilder, ProbabilityCollection<BiomeBuilder>> replace;
 
     @Override
     public BiomeMutator build(long seed) {
diff --git a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/ReplaceMutatorTemplate.java b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/ReplaceMutatorTemplate.java
index 36b2e542e..fbe801fbf 100644
--- a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/ReplaceMutatorTemplate.java
+++ b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/templates/stage/mutator/ReplaceMutatorTemplate.java
@@ -2,11 +2,9 @@ package com.dfsek.terra.config.loaders.config.biome.templates.stage.mutator;
 
 import com.dfsek.tectonic.annotations.Value;
 import com.dfsek.terra.api.util.collections.ProbabilityCollection;
-import com.dfsek.terra.api.world.biome.TerraBiome;
 import com.dfsek.terra.api.world.biome.pipeline.mutator.BiomeMutator;
 import com.dfsek.terra.api.world.biome.pipeline.mutator.ReplaceMutator;
 import com.dfsek.terra.config.builder.BiomeBuilder;
-import com.dfsek.terra.config.builder.UserDefinedBiomeBuilder;
 
 @SuppressWarnings("unused")
 public class ReplaceMutatorTemplate extends MutatorStageTemplate {
@@ -14,7 +12,7 @@ public class ReplaceMutatorTemplate extends MutatorStageTemplate {
     private String from;
 
     @Value("to")
-    private ProbabilityCollection<BiomeBuilder<? extends TerraBiome>> to;
+    private ProbabilityCollection<BiomeBuilder> to;
 
     @Override
     public BiomeMutator build(long seed) {
diff --git a/common/src/main/java/com/dfsek/terra/config/pack/ConfigPack.java b/common/src/main/java/com/dfsek/terra/config/pack/ConfigPack.java
index 5f557e711..6139ef7f8 100644
--- a/common/src/main/java/com/dfsek/terra/config/pack/ConfigPack.java
+++ b/common/src/main/java/com/dfsek/terra/config/pack/ConfigPack.java
@@ -17,22 +17,20 @@ import com.dfsek.terra.api.structures.loot.LootTable;
 import com.dfsek.terra.api.structures.parser.lang.functions.FunctionBuilder;
 import com.dfsek.terra.api.structures.script.StructureScript;
 import com.dfsek.terra.api.util.seeded.NoiseSeeded;
-import com.dfsek.terra.api.world.biome.TerraBiome;
 import com.dfsek.terra.api.world.biome.provider.BiomeProvider;
 import com.dfsek.terra.api.world.flora.Flora;
 import com.dfsek.terra.api.world.palette.Palette;
 import com.dfsek.terra.api.world.tree.Tree;
 import com.dfsek.terra.carving.UserDefinedCarver;
-import com.dfsek.terra.config.builder.UserDefinedBiomeBuilder;
 import com.dfsek.terra.config.builder.BiomeBuilder;
 import com.dfsek.terra.config.dummy.DummyWorld;
 import com.dfsek.terra.config.factories.BiomeFactory;
 import com.dfsek.terra.config.factories.CarverFactory;
+import com.dfsek.terra.config.factories.ConfigFactory;
 import com.dfsek.terra.config.factories.FloraFactory;
 import com.dfsek.terra.config.factories.OreFactory;
 import com.dfsek.terra.config.factories.PaletteFactory;
 import com.dfsek.terra.config.factories.StructureFactory;
-import com.dfsek.terra.config.factories.ConfigFactory;
 import com.dfsek.terra.config.factories.TreeFactory;
 import com.dfsek.terra.config.fileloaders.FolderLoader;
 import com.dfsek.terra.config.fileloaders.Loader;
@@ -291,7 +289,7 @@ public class ConfigPack implements LoaderRegistrar {
         return new CheckedRegistry<>(scriptRegistry);
     }
 
-    public CheckedRegistry<BiomeBuilder<? extends TerraBiome>> getBiomeRegistry() {
+    public CheckedRegistry<BiomeBuilder> getBiomeRegistry() {
         return new CheckedRegistry<>(biomeRegistry);
     }
 
diff --git a/common/src/main/java/com/dfsek/terra/registry/config/BiomeRegistry.java b/common/src/main/java/com/dfsek/terra/registry/config/BiomeRegistry.java
index 580c59d99..5ad1d32a6 100644
--- a/common/src/main/java/com/dfsek/terra/registry/config/BiomeRegistry.java
+++ b/common/src/main/java/com/dfsek/terra/registry/config/BiomeRegistry.java
@@ -2,17 +2,16 @@ package com.dfsek.terra.registry.config;
 
 import com.dfsek.tectonic.exception.LoadException;
 import com.dfsek.tectonic.loading.ConfigLoader;
-import com.dfsek.terra.api.world.biome.TerraBiome;
 import com.dfsek.terra.config.builder.BiomeBuilder;
 import com.dfsek.terra.registry.OpenRegistry;
 
 import java.lang.reflect.Type;
 
-public class BiomeRegistry extends OpenRegistry<BiomeBuilder<? extends TerraBiome>> {
+public class BiomeRegistry extends OpenRegistry<BiomeBuilder> {
     @Override
-    public BiomeBuilder<? extends TerraBiome> load(Type type, Object o, ConfigLoader configLoader) throws LoadException {
+    public BiomeBuilder load(Type type, Object o, ConfigLoader configLoader) throws LoadException {
         if(o.equals("SELF")) return null;
-        BiomeBuilder<? extends TerraBiome> biome = get((String) o);
+        BiomeBuilder biome = get((String) o);
         if(biome == null)
             throw new LoadException("No such " + type.getTypeName() + " matching \"" + o + "\" was found in this registry.");
         return biome;
diff --git a/common/src/test/java/biome/DistributionTest.java b/common/src/test/java/biome/DistributionTest.java
index 9468243a0..226da5898 100644
--- a/common/src/test/java/biome/DistributionTest.java
+++ b/common/src/test/java/biome/DistributionTest.java
@@ -145,11 +145,11 @@ public class DistributionTest {
 
     private static BiomeProvider getProvider(long seed) throws ConfigException, IOException {
         System.out.println(seed);
-        File pack = new File("/home/dfsek/Documents/Terra/platforms/bukkit/target/server/plugins/Terra/packs/betterend/");
+        File pack = new File("/home/dfsek/Documents/Terra/platforms/bukkit/target/server/plugins/Terra/packs/default/");
         FolderLoader folderLoader = new FolderLoader(pack.toPath());
 
         AbstractConfigLoader loader = new AbstractConfigLoader();
-        new GenericLoaders(null).register(loader);
+        new GenericLoaders(MAIN).register(loader);
 
         BiomeRegistry biomeRegistry = new BiomeRegistry();
         folderLoader.open("biomes", ".yml").then(inputStreams -> ConfigPack.buildAll((template, main) -> template, biomeRegistry, loader.load(inputStreams, TestBiome::new), MAIN));
@@ -163,7 +163,7 @@ public class DistributionTest {
                 .registerLoader(SingleBiomeProviderTemplate.class, SingleBiomeProviderTemplate::new)
                 .registerLoader(BiomePipelineTemplate.class, () -> new BiomePipelineTemplate(MAIN))
                 .registerLoader(ImageProviderTemplate.class, () -> new ImageProviderTemplate(biomeRegistry));
-        new GenericLoaders(null).register(pipeLoader);
+        new GenericLoaders(MAIN).register(pipeLoader);
 
         pipeLoader.registerLoader(NoiseSeeded.class, new NoiseSamplerBuilderLoader(new NoiseRegistry()));
 
@@ -286,7 +286,7 @@ public class DistributionTest {
         }
     }
 
-    private static final class TestBiome extends AbstractableTemplate implements TerraBiome, ValidatedConfigTemplate, BiomeBuilder<TestBiome> {
+    private static final class TestBiome extends AbstractableTemplate implements TerraBiome, ValidatedConfigTemplate, BiomeBuilder {
 
         @Value("color")
         @Default
diff --git a/platforms/bukkit/build.gradle.kts b/platforms/bukkit/build.gradle.kts
index dbf066f36..e3a942319 100644
--- a/platforms/bukkit/build.gradle.kts
+++ b/platforms/bukkit/build.gradle.kts
@@ -33,6 +33,8 @@ dependencies {
     "compileOnly"("com.sk89q.worldedit:worldedit-bukkit:7.2.0-SNAPSHOT")
 
     "shadedImplementation"("com.google.guava:guava:30.0-jre")
+
+    "testImplementation"("com.google.guava:guava:30.0-jre")
 }
 
 val testDir = "target/server/"
diff --git a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/TerraFabricPlugin.java b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/TerraFabricPlugin.java
index 5fa16b5ef..e426fa2b2 100644
--- a/platforms/fabric/src/main/java/com/dfsek/terra/fabric/TerraFabricPlugin.java
+++ b/platforms/fabric/src/main/java/com/dfsek/terra/fabric/TerraFabricPlugin.java
@@ -22,7 +22,6 @@ import com.dfsek.terra.api.transform.NotNullValidator;
 import com.dfsek.terra.api.transform.Transformer;
 import com.dfsek.terra.api.util.logging.DebugLogger;
 import com.dfsek.terra.api.util.logging.Logger;
-import com.dfsek.terra.api.world.biome.TerraBiome;
 import com.dfsek.terra.api.world.tree.Tree;
 import com.dfsek.terra.config.GenericLoaders;
 import com.dfsek.terra.config.PluginConfig;
@@ -223,7 +222,7 @@ public class TerraFabricPlugin implements TerraPlugin, ModInitializer {
         return pack.getTemplate().getID().toLowerCase() + "/" + biomeID;
     }
 
-    private Biome createBiome(BiomeBuilder<?> biome) {
+    private Biome createBiome(BiomeBuilder biome) {
         SpawnSettings.Builder spawnSettings = new SpawnSettings.Builder();
         DefaultBiomeFeatures.addFarmAnimals(spawnSettings);
         DefaultBiomeFeatures.addMonsters(spawnSettings, 95, 5, 100);