diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/QuadFunction.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/QuadFunction.java
deleted file mode 100644
index 43df8d3b..00000000
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/QuadFunction.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- *   This file is a part of the SteamWar software.
- *
- *   Copyright (C) 2026 SteamWar.de-Serverteam
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU Affero General Public License as published by
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *   GNU Affero General Public License for more details.
- *
- *   You should have received a copy of the GNU Affero General Public License
- *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package de.steamwar.techhider;
-
-public interface QuadFunction<A, B, C, D, Return>  {
-    Return apply(A a, B b, C c, D d);
-}
\ No newline at end of file
diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
index 43d27615..8ed5b0f7 100644
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/techhider/TechHider.java
@@ -354,7 +354,7 @@ public abstract class TechHider {
         processors.put(ClientboundRemoveMobEffectPacket.class, this.buildEntityPacketProcessor(ClientboundRemoveMobEffectPacket::entityId));
         // 7.1.98 Set Entity Metadata: entity state can reveal blocks/items/displays.
         processors.put(ClientboundSetEntityDataPacket.class, this.buildEntityPacketProcessor(ClientboundSetEntityDataPacket::id));
-        // 7.1.26 Damage Event: entity ids and damage source location can leak hidde activity.
+        // 7.1.26 Damage Event: entity ids and damage source location can leak hide activity.
         processors.put(ClientboundDamageEventPacket.class, this.buildEntityPacketProcessor(ClientboundDamageEventPacket::entityId));
         // 7.1.54 Move Minecart Along Track: entity path and position signal.
         processors.put(ClientboundMoveMinecartPacket.class, this.buildEntityPacketProcessor(ClientboundMoveMinecartPacket::entityId));