diff --git a/src/ChunkMap.cpp b/src/ChunkMap.cpp
index ed9103174..0fb6988b5 100644
--- a/src/ChunkMap.cpp
+++ b/src/ChunkMap.cpp
@@ -346,9 +346,8 @@ void cChunkMap::BroadcastAttachEntity(const cEntity & a_Entity, const cEntity *
 void cChunkMap::BroadcastBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	int x, y, z, ChunkX, ChunkZ;
+	int x, z, ChunkX, ChunkZ;
 	x = a_BlockX;
-	y = a_BlockY;
 	z = a_BlockZ;
 	cChunkDef::BlockToChunk(x, z, ChunkX, ChunkZ);
 	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
@@ -1146,9 +1145,8 @@ BLOCKTYPE cChunkMap::GetBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
 	// First check if it isn't queued in the m_FastSetBlockQueue:
 	{
 		int X = a_BlockX, Y = a_BlockY, Z = a_BlockZ;
-		int ChunkX, ChunkY, ChunkZ;
+		int ChunkX, ChunkZ;
 		cChunkDef::AbsoluteToRelative(X, Y, Z, ChunkX, ChunkZ);
-		ChunkY = 0;
 		cCSLock Lock(m_CSFastSetBlock);
 		for (sSetBlockList::iterator itr = m_FastSetBlockQueue.begin(); itr != m_FastSetBlockQueue.end(); ++itr)
 		{
diff --git a/src/LineBlockTracer.cpp b/src/LineBlockTracer.cpp
index f4f29e833..b03652bab 100644
--- a/src/LineBlockTracer.cpp
+++ b/src/LineBlockTracer.cpp
@@ -171,7 +171,6 @@ bool cLineBlockTracer::MoveToNextBlock(void)
 		double CoeffZ = (DestZ - m_StartZ) / m_DiffZ;
 		if (CoeffZ < Coeff)
 		{
-			Coeff = CoeffZ;
 			Direction = dirZ;
 		}
 	}
diff --git a/src/WorldStorage/WSSCompact.cpp b/src/WorldStorage/WSSCompact.cpp
index 5435e6d5a..c07c9e96f 100644
--- a/src/WorldStorage/WSSCompact.cpp
+++ b/src/WorldStorage/WSSCompact.cpp
@@ -797,7 +797,6 @@ void cWSSCompact::cPAKFile::UpdateChunk2To3()
 			++index2;
 		}
 		InChunkOffset += index2 / 2;
-		index2 = 0;
 
 		AString Converted(ConvertedData, ExpectedSize);