diff --git a/include/hpp/statistics/bin.hh b/include/hpp/statistics/bin.hh
index 4e2d8186c5a3a35db221b1d7a83dd33ca8a200e1..e79c83f7067f42fa917dced360b817d474220672 100644
--- a/include/hpp/statistics/bin.hh
+++ b/include/hpp/statistics/bin.hh
@@ -70,7 +70,7 @@ namespace hpp {
         /// The number of occurence.
         size_t freq_;
     };
-    
+
     std::ostream& operator<< (std::ostream& os, const hpp::statistics::Bin& b);
 
     /// Template class to do statistics.
diff --git a/include/hpp/statistics/distribution.hh b/include/hpp/statistics/distribution.hh
index cbc1286913c3a1e9e4ed7a0724e13c9c690bfb86..4cb24802c2154147e3a81ef3fc3f2d5951b404a9 100644
--- a/include/hpp/statistics/distribution.hh
+++ b/include/hpp/statistics/distribution.hh
@@ -27,7 +27,7 @@
 namespace hpp {
   namespace statistics {
     template < typename Value_t >
-      class DiscreteDistribution 
+      class DiscreteDistribution
       {
         public:
           typedef std::size_t Weight_t;
@@ -117,16 +117,16 @@ namespace hpp {
           /// Iterate on the values.
           /// \{
           iterator begin () {
-            return values_.begin (); 
+            return values_.begin ();
           }
           const_iterator begin () const {
-            return values_.begin (); 
+            return values_.begin ();
           }
           iterator end () {
-            return values_.end (); 
+            return values_.end ();
           }
           const_iterator end () const {
-            return values_.end (); 
+            return values_.end ();
           }
           /// \}
         private: