diff --git a/TR5Main/Scripting/GameScriptAIObject.h b/TR5Main/Scripting/GameScriptAIObject.h
index 2dd9e9f2d..313a6a199 100644
--- a/TR5Main/Scripting/GameScriptAIObject.h
+++ b/TR5Main/Scripting/GameScriptAIObject.h
@@ -14,6 +14,9 @@ public:
 	GameScriptAIObject(AI_OBJECT& ref, bool temp);
 	~GameScriptAIObject();
 
+	GameScriptAIObject& operator=(GameScriptAIObject const& other) = delete;
+	GameScriptAIObject(GameScriptAIObject const& other) = delete;
+
 	static void Register(sol::state *);
 
 	GameScriptPosition GetPos() const;
diff --git a/TR5Main/Scripting/GameScriptCameraInfo.h b/TR5Main/Scripting/GameScriptCameraInfo.h
index f2a3939fa..819d9b171 100644
--- a/TR5Main/Scripting/GameScriptCameraInfo.h
+++ b/TR5Main/Scripting/GameScriptCameraInfo.h
@@ -13,6 +13,10 @@ class GameScriptCameraInfo : public GameScriptNamedBase<GameScriptCameraInfo, LE
 public:
 	GameScriptCameraInfo(LEVEL_CAMERA_INFO& ref, bool temp);
 	~GameScriptCameraInfo();
+
+	GameScriptCameraInfo& operator=(GameScriptCameraInfo const& other) = delete;
+	GameScriptCameraInfo(GameScriptCameraInfo const& other) = delete;
+
 	static void Register(sol::state *);
 	GameScriptPosition GetPos() const;
 	void SetPos(GameScriptPosition const& pos);
diff --git a/TR5Main/Scripting/GameScriptSinkInfo.h b/TR5Main/Scripting/GameScriptSinkInfo.h
index d8284bb9e..4aebd44f3 100644
--- a/TR5Main/Scripting/GameScriptSinkInfo.h
+++ b/TR5Main/Scripting/GameScriptSinkInfo.h
@@ -13,6 +13,9 @@ class GameScriptSinkInfo : public GameScriptNamedBase<GameScriptSinkInfo, SINK_I
 public:
 	GameScriptSinkInfo(SINK_INFO& ref, bool temp);
 	~GameScriptSinkInfo();
+	GameScriptSinkInfo& operator=(GameScriptSinkInfo const& other) = delete;
+	GameScriptSinkInfo(GameScriptSinkInfo const& other) = delete;
+
 	static void Register(sol::state *);
 	GameScriptPosition GetPos() const;
 	void SetPos(GameScriptPosition const& pos);
diff --git a/TR5Main/Scripting/GameScriptSoundSourceInfo.h b/TR5Main/Scripting/GameScriptSoundSourceInfo.h
index 957ab95d4..ab8f2dcc9 100644
--- a/TR5Main/Scripting/GameScriptSoundSourceInfo.h
+++ b/TR5Main/Scripting/GameScriptSoundSourceInfo.h
@@ -13,6 +13,10 @@ class GameScriptSoundSourceInfo : public GameScriptNamedBase<GameScriptSoundSour
 public:
 	GameScriptSoundSourceInfo(SOUND_SOURCE_INFO& ref, bool temp);
 	~GameScriptSoundSourceInfo();
+
+	GameScriptSoundSourceInfo& operator=(GameScriptSoundSourceInfo const& other) = delete;
+	GameScriptSoundSourceInfo(GameScriptSoundSourceInfo const& other) = delete;
+
 	static void Register(sol::state *);
 	GameScriptPosition GetPos() const;
 	void SetPos(GameScriptPosition const& pos);