diff --git a/TR5Main/Game/control.cpp b/TR5Main/Game/control.cpp
index d3ae65b00..d58b2bb74 100644
--- a/TR5Main/Game/control.cpp
+++ b/TR5Main/Game/control.cpp
@@ -133,8 +133,6 @@ HEIGHT_TYPES HeightType;
 int HeavyTriggered;
 short SkyPos1;
 short SkyPos2;
-signed char SkyVelocity1;
-signed char SkyVelocity2;
 CVECTOR SkyColor1;
 CVECTOR SkyColor2;
 int CutSeqNum;
diff --git a/TR5Main/Game/control.h b/TR5Main/Game/control.h
index 2b6bde55d..fe6bfc56a 100644
--- a/TR5Main/Game/control.h
+++ b/TR5Main/Game/control.h
@@ -105,8 +105,6 @@ extern HEIGHT_TYPES HeightType;
 extern int HeavyTriggered;
 extern short SkyPos1;
 extern short SkyPos2;
-extern signed char SkyVelocity1;
-extern signed char SkyVelocity2;
 extern CVECTOR SkyColor1;
 extern CVECTOR SkyColor2;
 extern int CutSeqNum;
diff --git a/TR5Main/Scripting/GameFlowScript.cpp b/TR5Main/Scripting/GameFlowScript.cpp
index b26a7cd9f..1ae6a4e34 100644
--- a/TR5Main/Scripting/GameFlowScript.cpp
+++ b/TR5Main/Scripting/GameFlowScript.cpp
@@ -241,12 +241,10 @@ bool GameFlow::DoGameflow()
 			SkyColor1.r = level->Layer1.R;
 			SkyColor1.g = level->Layer1.G;
 			SkyColor1.b = level->Layer1.B;
-			SkyVelocity1 = level->Layer1.CloudSpeed;
 
 			SkyColor2.r = level->Layer2.R;
 			SkyColor2.g = level->Layer2.G;
 			SkyColor2.b = level->Layer2.B;
-			SkyVelocity2 = level->Layer2.CloudSpeed;
 		}
 
 		if (level->Storm)
@@ -269,7 +267,7 @@ bool GameFlow::DoGameflow()
 		else
 		{
 			// Prepare inventory objects table
-			for (int i = 0; i < level->InventoryObjects.size(); i++)
+			for (size_t i = 0; i < level->InventoryObjects.size(); i++)
 			{
 				GameScriptInventoryObject* obj = &level->InventoryObjects[i];
 				if (obj->slot >= 0 && obj->slot < INVENTORY_TABLE_SIZE)
diff --git a/TR5Main/Scripting/GameScriptInventoryObject.cpp b/TR5Main/Scripting/GameScriptInventoryObject.cpp
index 943262dad..be401cabf 100644
--- a/TR5Main/Scripting/GameScriptInventoryObject.cpp
+++ b/TR5Main/Scripting/GameScriptInventoryObject.cpp
@@ -29,7 +29,7 @@ associated getters and setters.
 	@tparam ItemAction action is this usable, equippable, or examinable?
 	@return an InventoryObject
 */
-GameScriptInventoryObject::GameScriptInventoryObject(std::string const& a_name, ItemEnumPair a_slot, float a_yOffset, float a_scale, GameScriptRotation const & a_rot, rotflags a_rotationFlags, int a_meshBits, item_options a_action) :
+GameScriptInventoryObject::GameScriptInventoryObject(std::string const& a_name, ItemEnumPair a_slot, short a_yOffset, float a_scale, GameScriptRotation const & a_rot, rotflags a_rotationFlags, int a_meshBits, item_options a_action) :
 	name{ a_name },
 	slot{ a_slot.m_pair.second },
 	yOffset{ a_yOffset },
diff --git a/TR5Main/Scripting/GameScriptInventoryObject.h b/TR5Main/Scripting/GameScriptInventoryObject.h
index 476e9a39f..bce533eaa 100644
--- a/TR5Main/Scripting/GameScriptInventoryObject.h
+++ b/TR5Main/Scripting/GameScriptInventoryObject.h
@@ -24,7 +24,7 @@ struct GameScriptInventoryObject
 {
 	std::string name{};
 	inv_objects slot{ INV_OBJECT_PISTOLS };
-	float yOffset{ 0.0f };
+	short yOffset{ 0 };
 	float scale{ 1.0f };
 	GameScriptRotation rot{};
 	rotflags rotationFlags{ rotflags::INV_ROT_X };
@@ -32,7 +32,7 @@ struct GameScriptInventoryObject
 	item_options action{ item_options::OPT_USE };
 
 	GameScriptInventoryObject() = default;
-	GameScriptInventoryObject(std::string const & a_name, ItemEnumPair a_slot, float a_yOffset, float a_scale, GameScriptRotation const & a_rot, rotflags a_rotationFlags, int a_meshBits, item_options a_actions);
+	GameScriptInventoryObject(std::string const & a_name, ItemEnumPair a_slot, short a_yOffset, float a_scale, GameScriptRotation const & a_rot, rotflags a_rotationFlags, int a_meshBits, item_options a_actions);
 
 	static void Register(sol::state* lua);