--- a/net/minecraft/client/renderer/model/IUnbakedModel.java
+++ b/net/minecraft/client/renderer/model/IUnbakedModel.java
@@ -10,11 +10,17 @@
 import net.minecraftforge.api.distmarker.OnlyIn;
 
 @OnlyIn(Dist.CLIENT)
-public interface IUnbakedModel {
+public interface IUnbakedModel extends net.minecraftforge.client.model.IModel<IUnbakedModel> {
    Collection<ResourceLocation> func_187965_e();
 
    Collection<ResourceLocation> func_209559_a(Function<ResourceLocation, IUnbakedModel> p_209559_1_, Set<String> p_209559_2_);
 
+   /**
+    * @deprecated Use {@link #bake(Function, Function, IModelState, boolean)}.
+    */
    @Nullable
-   IBakedModel func_209558_a(Function<ResourceLocation, IUnbakedModel> p_209558_1_, Function<ResourceLocation, TextureAtlasSprite> p_209558_2_, ModelRotation p_209558_3_, boolean p_209558_4_);
+   @Deprecated
+   default IBakedModel func_209558_a(Function<ResourceLocation, IUnbakedModel> p_209558_1_, Function<ResourceLocation, TextureAtlasSprite> p_209558_2_, ModelRotation p_209558_3_, boolean p_209558_4_) {
+       return bake(p_209558_1_, p_209558_2_, p_209558_3_, p_209558_4_, net.minecraft.client.renderer.vertex.DefaultVertexFormats.field_176600_a);
+   }
 }