diff --git a/Detour/Source/DetourNavMeshBuilder.cpp b/Detour/Source/DetourNavMeshBuilder.cpp
index afdef9b..965e6cd 100644
--- a/Detour/Source/DetourNavMeshBuilder.cpp
+++ b/Detour/Source/DetourNavMeshBuilder.cpp
@@ -106,7 +106,6 @@ inline int longestAxis(unsigned short x, unsigned short y, unsigned short z)
 	if (z > maxVal)
 	{
 		axis = 2;
-		maxVal = z;
 	}
 	return axis;
 }
diff --git a/Detour/Source/DetourNavMeshQuery.cpp b/Detour/Source/DetourNavMeshQuery.cpp
index 443a07c..619feda 100644
--- a/Detour/Source/DetourNavMeshQuery.cpp
+++ b/Detour/Source/DetourNavMeshQuery.cpp
@@ -1849,10 +1849,12 @@ dtStatus dtNavMeshQuery::findStraightPath(const float* startPos, const float* en
 		for (int i = 0; i < pathSize; ++i)
 		{
 			float left[3], right[3];
-			unsigned char fromType, toType;
+			unsigned char toType;
 			
 			if (i+1 < pathSize)
 			{
+				unsigned char fromType; // fromType is ignored.
+
 				// Next portal.
 				if (dtStatusFailed(getPortalPoints(path[i], path[i+1], left, right, fromType, toType)))
 				{
@@ -1894,7 +1896,7 @@ dtStatus dtNavMeshQuery::findStraightPath(const float* startPos, const float* en
 				dtVcopy(left, closestEndPos);
 				dtVcopy(right, closestEndPos);
 				
-				fromType = toType = DT_POLYTYPE_GROUND;
+				toType = DT_POLYTYPE_GROUND;
 			}
 			
 			// Right vertex.
@@ -2482,10 +2484,10 @@ dtStatus dtNavMeshQuery::raycast(dtPolyRef startRef, const float* startPos, cons
 
 	const dtMeshTile* prevTile, *tile, *nextTile;
 	const dtPoly* prevPoly, *poly, *nextPoly;
-	dtPolyRef curRef, nextRef;
+	dtPolyRef curRef;
 
 	// The API input has been checked already, skip checking internal data.
-	nextRef = curRef = startRef;
+	curRef = startRef;
 	tile = 0;
 	poly = 0;
 	m_nav->getTileAndPolyByRefUnsafe(curRef, &tile, &poly);
@@ -2540,7 +2542,7 @@ dtStatus dtNavMeshQuery::raycast(dtPolyRef startRef, const float* startPos, cons
 		}
 
 		// Follow neighbours.
-		nextRef = 0;
+		dtPolyRef nextRef = 0;
 		
 		for (unsigned int i = poly->firstLink; i != DT_NULL_LINK; i = tile->links[i].next)
 		{