diff --git a/src/main/java/com/sakurarealm/playerrisk/Listener.java b/src/main/java/com/sakurarealm/playerrisk/Listener.java
deleted file mode 100644
index 9c96934..0000000
--- a/src/main/java/com/sakurarealm/playerrisk/Listener.java
+++ /dev/null
@@ -1,37 +0,0 @@
-package com.sakurarealm.playerrisk;
-
-import com.palmergames.bukkit.towny.event.PlayerEnterTownEvent;
-import com.palmergames.bukkit.towny.event.PlayerLeaveTownEvent;
-import org.apache.commons.lang.NotImplementedException;
-import org.bukkit.event.entity.PlayerDeathEvent;
-
-public class Listener implements org.bukkit.event.Listener {
-    /**
-     * TODO: 当玩家进入城镇时, 危险度不再增加.
-     *
-     * @param event The PlayerEnterTownEvent.
-     */
-    public void onPlayerEnterTown(PlayerEnterTownEvent event) {
-        throw new NotImplementedException("Not implemented yet.");
-    }
-
-    /**
-     * TODO: 当玩家离开城镇时, 危险度开始增加.
-     *
-     * @param event The PlayerLeaveTownEvent.
-     */
-    public void onPlayerLeaveTown(PlayerLeaveTownEvent event) {
-        throw new NotImplementedException("Not implemented yet.");
-    }
-
-    /**
-     * TODO: 当玩家死亡时, 危险度重置.
-     *
-     * @param event The PlayerDeathEvent.
-     */
-    public void onPlayerDeath(PlayerDeathEvent event) {
-        throw new NotImplementedException("Not implemented yet.");
-    }
-
-    // TODO: Add any other event handlers needed to manage player risk.
-}