diff --git a/opennn/kmeans.cpp b/opennn/kmeans.cpp
index b32dad0ba..62ad3fa3a 100755
--- a/opennn/kmeans.cpp
+++ b/opennn/kmeans.cpp
@@ -25,9 +25,9 @@
 
 #include "../../opennn/opennn/opennn.h"
 
-using namespace OpenNN;
+using namespace opennn;
 
-namespace OpenNN
+namespace opennn
 {
 
 
diff --git a/opennn/kmeans.h b/opennn/kmeans.h
index 8ca362e14..ed47a3f91 100755
--- a/opennn/kmeans.h
+++ b/opennn/kmeans.h
@@ -30,16 +30,12 @@
 
 // System includes
 
-//#include <iostream>
-//#include <fstream>
 //#include <sstream>
-//#include <string>
 //#include <cstring>
 //#include <time.h>
 //#include <omp.h>
 //#include <Eigen/Dense>
 //#include "unsupported/Eigen/CXX11/Tensor"
-//#include "config.h"
 
 // OpenNN includes
 
@@ -50,7 +46,7 @@ using opennn::type;
 using Eigen::Index;
 using namespace std;
 
-namespace OpenNN
+namespace opennn
 {
 
 class KMeans
diff --git a/opennn/tensor_utilities.cpp b/opennn/tensor_utilities.cpp
index ce6e1aa30..a757fb85d 100644
--- a/opennn/tensor_utilities.cpp
+++ b/opennn/tensor_utilities.cpp
@@ -10,7 +10,6 @@
 
 #define GET_VARIABLE_NAME(Variable) (#Variable)
 
-
 namespace opennn
 {
 
diff --git a/opennn/tensor_utilities.h b/opennn/tensor_utilities.h
index 343f94272..79faf038d 100644
--- a/opennn/tensor_utilities.h
+++ b/opennn/tensor_utilities.h
@@ -13,12 +13,12 @@
 #include <vector>
 #include <numeric>
 #include <stdio.h>
-#include <statistics.h>
 
 // OpenNN includes
 
 #include "config.h"
 #include "opennn_strings.h"
+#include "statistics.h"
 
 #include "../eigen/unsupported/Eigen/KroneckerProduct"