diff --git a/DetourTileCache/Source/DetourTileCacheBuilder.cpp b/DetourTileCache/Source/DetourTileCacheBuilder.cpp
index 19b5e91..18a26d0 100644
--- a/DetourTileCache/Source/DetourTileCacheBuilder.cpp
+++ b/DetourTileCache/Source/DetourTileCacheBuilder.cpp
@@ -21,6 +21,7 @@
 #include "DetourStatus.h"
 #include "DetourAssert.h"
 #include "DetourTileCacheBuilder.h"
+#include "Recast.h"
 #include <string.h>
 
 
@@ -2116,6 +2117,7 @@ dtStatus dtDecompressTileCacheLayer(dtTileCacheAlloc* alloc, dtTileCacheCompress
 
 bool dtTileCacheHeaderSwapEndian(unsigned char* data, const int dataSize)
 {
+	rcIgnoreUnused(dataSize);
 	dtTileCacheLayerHeader* header = (dtTileCacheLayerHeader*)data;
 	
 	int swappedMagic = DT_TILECACHE_MAGIC;