diff --git a/RecastDemo/Source/Sample_TileMesh.cpp b/RecastDemo/Source/Sample_TileMesh.cpp
index 3167cea..1de5581 100644
--- a/RecastDemo/Source/Sample_TileMesh.cpp
+++ b/RecastDemo/Source/Sample_TileMesh.cpp
@@ -224,24 +224,6 @@ void Sample_TileMesh::cleanup()
 	m_dmesh = 0;
 }
 
-
-static const int NAVMESHSET_MAGIC = 'M'<<24 | 'S'<<16 | 'E'<<8 | 'T'; //'MSET';
-static const int NAVMESHSET_VERSION = 1;
-
-struct NavMeshSetHeader
-{
-	int magic;
-	int version;
-	int numTiles;
-	dtNavMeshParams params;
-};
-
-struct NavMeshTileHeader
-{
-	dtTileRef tileRef;
-	int dataSize;
-};
-
 void Sample_TileMesh::handleSettings()
 {
 	Sample::handleCommonSettings();