diff --git a/src/main/java/org/betterx/bclib/api/v3/datagen/RegistriesDataProvider.java b/src/main/java/org/betterx/bclib/api/v3/datagen/RegistriesDataProvider.java
index 5d2834fb..a3d4215e 100644
--- a/src/main/java/org/betterx/bclib/api/v3/datagen/RegistriesDataProvider.java
+++ b/src/main/java/org/betterx/bclib/api/v3/datagen/RegistriesDataProvider.java
@@ -60,7 +60,8 @@ public abstract class RegistriesDataProvider implements DataProvider {
                                             cachedOutput,
                                             registriesProvider,
                                             dynamicOps,
-                                            registryData
+                                            registryData,
+                                            registries
                                     ))
                                     .toArray(CompletableFuture<?>[]::new);
 
@@ -71,12 +72,19 @@ public abstract class RegistriesDataProvider implements DataProvider {
         );
     }
 
+
     private <T> CompletableFuture<?> serializeRegistry(
             CachedOutput cachedOutput,
             HolderLookup.Provider registryAccess,
             DynamicOps<JsonElement> dynamicOps,
-            RegistrySupplier.RegistryInfo<T> registryData
+            RegistrySupplier.RegistryInfo<T> registryData,
+            RegistrySupplier registries
     ) {
+        try {
+            registries.MAIN_LOCK.acquire();
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
         final List<Holder<T>> elements = registryData.allElements(registryAccess);
         final HolderLookup.RegistryLookup<T> registry = registryAccess.lookupOrThrow(registryData.key());
         LOGGER.info("Serializing "
@@ -86,6 +94,7 @@ public abstract class RegistriesDataProvider implements DataProvider {
                 + " elements from "
                 + registryData.data.key()
         );
+        registries.MAIN_LOCK.release();
 
         if (!elements.isEmpty()) {
             PackOutput.PathProvider pathProvider = this.output.createPathProvider(
diff --git a/src/main/java/org/betterx/bclib/api/v3/datagen/RegistrySupplier.java b/src/main/java/org/betterx/bclib/api/v3/datagen/RegistrySupplier.java
index 8c9b4b45..049467f4 100644
--- a/src/main/java/org/betterx/bclib/api/v3/datagen/RegistrySupplier.java
+++ b/src/main/java/org/betterx/bclib/api/v3/datagen/RegistrySupplier.java
@@ -7,13 +7,10 @@ import net.minecraft.core.Holder;
 import net.minecraft.core.HolderLookup;
 import net.minecraft.core.Registry;
 import net.minecraft.core.RegistrySetBuilder;
-import net.minecraft.data.DataProvider;
 import net.minecraft.data.worldgen.BootstapContext;
 import net.minecraft.resources.RegistryDataLoader;
 import net.minecraft.resources.ResourceKey;
 
-import net.fabricmc.fabric.api.datagen.v1.FabricDataGenerator;
-
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Objects;
@@ -23,6 +20,7 @@ import org.jetbrains.annotations.Nullable;
 public abstract class RegistrySupplier {
     private static final int MAX_PERMITS = 2000;
     private final Semaphore BOOTSTRAP_LOCK = new Semaphore(MAX_PERMITS);
+    public final Semaphore MAIN_LOCK = new Semaphore(1);
 
     final List<RegistrySupplier.RegistryInfo<?>> allRegistries;
     @Nullable List<String> defaultModIDs;
@@ -60,55 +58,6 @@ public abstract class RegistrySupplier {
         BOOTSTRAP_LOCK.release(MAX_PERMITS);
     }
 
-
-    public <T> void addWithLock(
-            RegistrySetBuilder registryBuilder,
-            ResourceKey<? extends Registry<T>> resourceKey,
-            RegistrySetBuilder.RegistryBootstrap<T> registryBootstrap
-    ) {
-        try {
-            BOOTSTRAP_LOCK.acquire();
-        } catch (InterruptedException e) {
-            throw new RuntimeException(e);
-        }
-        registryBuilder.add(resourceKey, (ctx) -> {
-            registryBootstrap.run(ctx);
-            BOOTSTRAP_LOCK.release();
-        });
-    }
-
-    public <T extends DataProvider> void addProviderWithLock(
-            FabricDataGenerator.Pack pack,
-            FabricDataGenerator.Pack.RegistryDependentFactory<T> factory
-    ) {
-        try {
-            BOOTSTRAP_LOCK.acquire();
-        } catch (InterruptedException e) {
-            throw new RuntimeException(e);
-        }
-        pack.addProvider((output, future) -> {
-            final T res = factory.create(output, future);
-            BOOTSTRAP_LOCK.release();
-            return res;
-        });
-    }
-
-    public <T extends DataProvider> void addProviderWithLock(
-            FabricDataGenerator.Pack pack,
-            FabricDataGenerator.Pack.Factory<T> factory
-    ) {
-        try {
-            BOOTSTRAP_LOCK.acquire();
-        } catch (InterruptedException e) {
-            throw new RuntimeException(e);
-        }
-        pack.addProvider((output, future) -> {
-            final T res = factory.create(output);
-            BOOTSTRAP_LOCK.release();
-            return res;
-        });
-    }
-
     public class InfoList extends LinkedList<RegistrySupplier.RegistryInfo<?>> {
         public <T> void add(ResourceKey<? extends Registry<T>> key, Codec<T> elementCodec) {
             this.add(new RegistrySupplier.RegistryInfo<T>(key, elementCodec));
diff --git a/src/main/java/org/betterx/datagen/bclib/BCLibDatagen.java b/src/main/java/org/betterx/datagen/bclib/BCLibDatagen.java
index 72804d8a..d24e65ef 100644
--- a/src/main/java/org/betterx/datagen/bclib/BCLibDatagen.java
+++ b/src/main/java/org/betterx/datagen/bclib/BCLibDatagen.java
@@ -25,17 +25,17 @@ public class BCLibDatagen implements DataGeneratorEntrypoint {
         if (BCLib.ADD_TEST_DATA) {
             TestBiomes.ensureStaticallyLoaded();
 
-            BCLRegistrySupplier.INSTANCE.addProviderWithLock(pack, TestWorldgenProvider::new);
-            BCLRegistrySupplier.INSTANCE.addProviderWithLock(pack, TestBiomes::new);
+            pack.addProvider(TestWorldgenProvider::new);
+            pack.addProvider(TestBiomes::new);
             RecipeDataProvider.createTestRecipes();
         } else {
-            BCLRegistrySupplier.INSTANCE.addProviderWithLock(pack, NullscapeBiomes::new);
+            pack.addProvider(NullscapeBiomes::new);
         }
 
-        BCLRegistrySupplier.INSTANCE.addProviderWithLock(pack, RecipeDataProvider::new);
-        BCLRegistrySupplier.INSTANCE.addProviderWithLock(pack, WorldPresetDataProvider::new);
-        BCLRegistrySupplier.INSTANCE.addProviderWithLock(pack, BCLibRegistriesDataProvider::new);
-        BCLRegistrySupplier.INSTANCE.addProviderWithLock(pack, BCLAdvancementDataProvider::new);
+        pack.addProvider(RecipeDataProvider::new);
+        pack.addProvider(WorldPresetDataProvider::new);
+        pack.addProvider(BCLibRegistriesDataProvider::new);
+        pack.addProvider(BCLAdvancementDataProvider::new);
     }