diff --git a/forge/src/main/scala/com/kotori316/scala_lib/example/JavaModClass.java b/forge/src/main/scala/com/kotori316/scala_lib/example/JavaModClass.java
deleted file mode 100644
index 577e85e..0000000
--- a/forge/src/main/scala/com/kotori316/scala_lib/example/JavaModClass.java
+++ /dev/null
@@ -1,51 +0,0 @@
-package com.kotori316.scala_lib.example;
-
-import net.minecraftforge.common.MinecraftForge;
-import net.minecraftforge.event.level.LevelEvent;
-import net.minecraftforge.eventbus.api.SubscribeEvent;
-import net.minecraftforge.fml.common.Mod;
-import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
-import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
-
-@Mod(JavaModClass.MOD_ID)
-public class JavaModClass {
-    public static final String MOD_ID = "scala-library-java";
-    public static final Logger LOGGER = LogManager.getLogger(JavaModClass.class);
-
-    public JavaModClass() {
-        // Registering init method.
-        FMLJavaModLoadingContext.get().getModEventBus().addListener(this::init);
-        MinecraftForge.EVENT_BUS.register(EventHandlers.class);
-    }
-
-    /**
-     * Mod initialize method. Called via Mod Event bus, which is registered in {@link JavaModClass#JavaModClass()}.
-     */
-    public void init(FMLCommonSetupEvent event) {
-        LOGGER.info("Hello from java init method. " + event);
-    }
-
-    /**
-     * Please avoid the use of {@link net.minecraftforge.fml.common.Mod.EventBusSubscriber}, as it causes strange compile errors.
-     * Register via {@link net.minecraftforge.eventbus.api.IEventBus#register(Object)} is fine.
-     */
-    // @Mod.EventBusSubscriber(modid = MOD_ID)
-    public static class EventHandlers {
-        /**
-         * Methods that handles event must be static.
-         *
-         * @see net.minecraftforge.eventbus.api.IEventBus#register(Object)
-         */
-        @SubscribeEvent
-        public static void load(LevelEvent.Load event) {
-            LOGGER.info("Caught " + event);
-        }
-
-        @SubscribeEvent
-        public static void unload(LevelEvent.Unload event) {
-            LOGGER.info("Caught " + event);
-        }
-    }
-}
diff --git a/forge/src/main/scala/com/kotori316/scala_lib/example/ScalaModObject.scala b/forge/src/main/scala/com/kotori316/scala_lib/example/ScalaModObject.scala
deleted file mode 100644
index d7fa097..0000000
--- a/forge/src/main/scala/com/kotori316/scala_lib/example/ScalaModObject.scala
+++ /dev/null
@@ -1,64 +0,0 @@
-package com.kotori316.scala_lib.example
-
-import cats._
-import cats.implicits.toShow
-import net.minecraftforge.event.level.LevelEvent
-import net.minecraftforge.eventbus.api.SubscribeEvent
-import net.minecraftforge.fml.ModList
-import net.minecraftforge.fml.common.Mod
-import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent
-import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext
-import org.apache.logging.log4j.{LogManager, Logger}
-
-/**
- * Mod class representing `scala-library`.
- */
-@Mod(ScalaModObject.modId)
-object ScalaModObject {
-  final val modId = "scala-library-object"
-  val LOGGER: Logger = LogManager.getLogger(modId)
-
-  require(Class.forName("scala.Option").getMethod("empty").invoke(null) == None)
-
-  // A way to get mod event bus.
-  FMLJavaModLoadingContext.get().getModEventBus.addListener(this.init)
-
-  /**
-   * Initialization method of mods.
-   */
-  def init(event: FMLCommonSetupEvent): Unit = {
-    LOGGER.info("Hello from ScalaModObject#init")
-    LOGGER.info(s"Mod($modId) is loaded. " + event)
-    LOGGER.info(ModID(modId).show)
-  }
-
-  case class ModID(id: String)
-
-  // Example of Cats instance.
-  implicit val showId: Show[ModID] = (t: ModID) => {
-    val name = ModList.get().getModObjectById[AnyRef](t.id).map[String](o => o.getClass.getName).orElse("None")
-    s"ID: ${t.id}, Class: $name"
-  }
-
-  /**
-   * Automatic subscribing of events is NOT <strong>supported</strong> due to limitation of compiling.
-   * Use [[net.minecraftforge.eventbus.api.IEventBus]]#`register` to register event handlers.
-   * Registering this object via [[net.minecraftforge.eventbus.api.IEventBus]]#`register` will work fine.
-   */
-  // @Mod.EventBusSubscriber(bus = Bus.FORGE, modid = modId)
-  object BadEventHandler {
-    @SubscribeEvent
-    def worldLogin(worldEvent: LevelEvent): Unit = {
-      LOGGER.fatal("NEVER HAPPENED " + worldEvent)
-    }
-  }
-
-}
-
-/**
- * Dummy class.
- * This class is never loaded by forge unless you call method or try to initialize.
- */
-class ScalaModObject {
-  throw new java.lang.AssertionError("Mod class (not object) must not be loaded by forge. The companion object is mod instance.")
-}
diff --git a/neoforge/src/main/scala/com/kotori316/scala_lib/example/JavaModClass.java b/neoforge/src/main/scala/com/kotori316/scala_lib/example/JavaModClass.java
deleted file mode 100644
index 577e85e..0000000
--- a/neoforge/src/main/scala/com/kotori316/scala_lib/example/JavaModClass.java
+++ /dev/null
@@ -1,51 +0,0 @@
-package com.kotori316.scala_lib.example;
-
-import net.minecraftforge.common.MinecraftForge;
-import net.minecraftforge.event.level.LevelEvent;
-import net.minecraftforge.eventbus.api.SubscribeEvent;
-import net.minecraftforge.fml.common.Mod;
-import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
-import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
-
-@Mod(JavaModClass.MOD_ID)
-public class JavaModClass {
-    public static final String MOD_ID = "scala-library-java";
-    public static final Logger LOGGER = LogManager.getLogger(JavaModClass.class);
-
-    public JavaModClass() {
-        // Registering init method.
-        FMLJavaModLoadingContext.get().getModEventBus().addListener(this::init);
-        MinecraftForge.EVENT_BUS.register(EventHandlers.class);
-    }
-
-    /**
-     * Mod initialize method. Called via Mod Event bus, which is registered in {@link JavaModClass#JavaModClass()}.
-     */
-    public void init(FMLCommonSetupEvent event) {
-        LOGGER.info("Hello from java init method. " + event);
-    }
-
-    /**
-     * Please avoid the use of {@link net.minecraftforge.fml.common.Mod.EventBusSubscriber}, as it causes strange compile errors.
-     * Register via {@link net.minecraftforge.eventbus.api.IEventBus#register(Object)} is fine.
-     */
-    // @Mod.EventBusSubscriber(modid = MOD_ID)
-    public static class EventHandlers {
-        /**
-         * Methods that handles event must be static.
-         *
-         * @see net.minecraftforge.eventbus.api.IEventBus#register(Object)
-         */
-        @SubscribeEvent
-        public static void load(LevelEvent.Load event) {
-            LOGGER.info("Caught " + event);
-        }
-
-        @SubscribeEvent
-        public static void unload(LevelEvent.Unload event) {
-            LOGGER.info("Caught " + event);
-        }
-    }
-}
diff --git a/neoforge/src/main/scala/com/kotori316/scala_lib/example/ScalaModObject.scala b/neoforge/src/main/scala/com/kotori316/scala_lib/example/ScalaModObject.scala
deleted file mode 100644
index 5df2c51..0000000
--- a/neoforge/src/main/scala/com/kotori316/scala_lib/example/ScalaModObject.scala
+++ /dev/null
@@ -1,64 +0,0 @@
-package com.kotori316.scala_lib.example
-
-import cats.*
-import cats.implicits.toShow
-import net.neoforged.neoforge.event.level.LevelEvent
-import net.neoforged.bus.api.SubscribeEvent
-import net.neoforged.fml.ModList
-import net.neoforged.fml.common.Mod
-import net.neoforged.fml.event.lifecycle.FMLCommonSetupEvent
-import net.neoforged.fml.javafmlmod.FMLJavaModLoadingContext
-import org.apache.logging.log4j.{LogManager, Logger}
-
-/**
- * Mod class representing `scala-library`.
- */
-@Mod(ScalaModObject.modId)
-object ScalaModObject {
-  final val modId = "scala-library-object"
-  val LOGGER: Logger = LogManager.getLogger(modId)
-
-  require(Class.forName("scala.Option").getMethod("empty").invoke(null) == None)
-
-  // A way to get mod event bus.
-  FMLJavaModLoadingContext.get().getModEventBus.addListener(this.init)
-
-  /**
-   * Initialization method of mods.
-   */
-  def init(event: FMLCommonSetupEvent): Unit = {
-    LOGGER.info("Hello from ScalaModObject#init")
-    LOGGER.info(s"Mod($modId) is loaded. " + event)
-    LOGGER.info(ModID(modId).show)
-  }
-
-  case class ModID(id: String)
-
-  // Example of Cats instance.
-  implicit val showId: Show[ModID] = (t: ModID) => {
-    val name = ModList.get().getModObjectById[AnyRef](t.id).map[String](o => o.getClass.getName).orElse("None")
-    s"ID: ${t.id}, Class: $name"
-  }
-
-  /**
-   * Automatic subscribing of events is NOT <strong>supported</strong> due to limitation of compiling.
-   * Use [[net.minecraftforge.eventbus.api.IEventBus]]#`register` to register event handlers.
-   * Registering this object via [[net.minecraftforge.eventbus.api.IEventBus]]#`register` will work fine.
-   */
-  // @Mod.EventBusSubscriber(bus = Bus.FORGE, modid = modId)
-  object BadEventHandler {
-    @SubscribeEvent
-    def worldLogin(worldEvent: LevelEvent): Unit = {
-      LOGGER.fatal("NEVER HAPPENED " + worldEvent)
-    }
-  }
-
-}
-
-/**
- * Dummy class.
- * This class is never loaded by forge unless you call method or try to initialize.
- */
-class ScalaModObject {
-  throw new java.lang.AssertionError("Mod class (not object) must not be loaded by forge. The companion object is mod instance.")
-}