diff --git a/Utilities/otbknn/classifyKNNCore.txx b/Utilities/otbknn/classifyKNNCore.txx
index 06bd0c96e8fdaeaaa9a8c09413d38cc3133b5512..8ff96ed75042053d23a7e3b2e00b1c0d0d327cff 100644
--- a/Utilities/otbknn/classifyKNNCore.txx
+++ b/Utilities/otbknn/classifyKNNCore.txx
@@ -104,7 +104,7 @@ template <class TCh1, class TCh2, class TDiagram, class TOutput, unsigned int m_
     
     DiagramIndexType featureIndex;
     
-    struct NodeType auxNodo;
+    //struct NodeType auxNodo;
 
     //Presuponemos que las clases estan ordenadas, siendo cero el fondo y
     //1,2,3...  las clases.