diff --git a/src/BlockEntities/BlockEntityWithItems.h b/src/BlockEntities/BlockEntityWithItems.h
index f35412e03..f2c51fd9e 100644
--- a/src/BlockEntities/BlockEntityWithItems.h
+++ b/src/BlockEntities/BlockEntityWithItems.h
@@ -71,7 +71,7 @@ protected:
 	cItemGrid m_Contents;
 	
 	// cItemGrid::cListener overrides:
-	virtual void OnSlotChanged(cItemGrid * a_Grid, int a_SlotNum)
+	virtual void OnSlotChanged(cItemGrid * a_Grid, int /*a_SlotNum*/)
 	{
 		ASSERT(a_Grid == &m_Contents);
 		if (m_World != NULL)
diff --git a/src/BlockEntities/JukeboxEntity.h b/src/BlockEntities/JukeboxEntity.h
index fcafdc479..996de965b 100644
--- a/src/BlockEntities/JukeboxEntity.h
+++ b/src/BlockEntities/JukeboxEntity.h
@@ -45,7 +45,7 @@ public:
 	// tolua_end
 	
 	virtual void UsedBy(cPlayer * a_Player) override;
-	virtual void SendTo(cClientHandle & a_Client) override { };
+	virtual void SendTo(cClientHandle &) override { };
 
 private:
 	int m_Record;
diff --git a/src/BlockEntities/NoteEntity.h b/src/BlockEntities/NoteEntity.h
index e2d088f44..cf78aeac6 100644
--- a/src/BlockEntities/NoteEntity.h
+++ b/src/BlockEntities/NoteEntity.h
@@ -52,7 +52,7 @@ public:
 	// tolua_end
 	
 	virtual void UsedBy(cPlayer * a_Player) override;
-	virtual void SendTo(cClientHandle & a_Client) override { };
+	virtual void SendTo(cClientHandle &) override { };
 
 private:
 	char m_Pitch;
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index 3c44b91d0..adeec37f5 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -527,9 +527,9 @@ void cChunk::SpawnMobs(cMobSpawner& a_MobSpawner)
 
 			// MG TODO : check that "Level" really means Y
 			
-			NIBBLETYPE SkyLight = 0;
+			/*NIBBLETYPE SkyLight = 0;
 
-			NIBBLETYPE BlockLight = 0;
+			NIBBLETYPE BlockLight = 0;*/
 
 			if (IsLightValid())
 			{
@@ -2323,7 +2323,6 @@ BLOCKTYPE cChunk::GetBlock(int a_BlockIdx) const
 
 void cChunk::GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta)
 {
-	int Idx = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
 	a_BlockType = cChunkDef::GetBlock (m_BlockTypes, a_RelX, a_RelY, a_RelZ);
 	a_BlockMeta = cChunkDef::GetNibble(m_BlockMeta, a_RelX, a_RelY, a_RelZ);
 }