diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5bad596a13f59716282e78313b2e60f10a43f2a9..4c686ab8f2c2c1952f961bd44801d8117ca9bf0f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,7 +39,6 @@ SET (${PROJECT_NAME}_HEADERS
   include/hpp/statistics/fwd.hh
   include/hpp/statistics/bin.hh
   include/hpp/statistics/success-bin.hh
-  include/hpp/statistics/operators.hh
   include/hpp/statistics/distribution.hh
   )
 
diff --git a/include/hpp/statistics/bin.hh b/include/hpp/statistics/bin.hh
index 4e5aa374392b8cd9d9c01edd2c246a40b74881de..c738731666fc0d1871c3f7123808d73b691e5857 100644
--- a/include/hpp/statistics/bin.hh
+++ b/include/hpp/statistics/bin.hh
@@ -143,7 +143,7 @@ namespace hpp {
 namespace hpp {
   namespace statistics {
     template < typename T >
-    void Statistics <T>::increment (T& b)
+      void Statistics <T>::increment (T& b)
     {
       b++;
       std::pair< iterator, bool > it = bins_.insert (b);
@@ -158,7 +158,7 @@ namespace hpp {
     }
 
     template < typename T >
-    size_t Statistics <T>::freq (const T& b) const
+      size_t Statistics <T>::freq (const T& b) const
     {
       typename std::set< T >::iterator it = bins_.find (b);
       if (it == bins_.end ()) {
@@ -168,7 +168,7 @@ namespace hpp {
     }
 
     template < typename T >
-    Proba_t Statistics <T>::relativeFreq (const T& b) const
+      Proba_t Statistics <T>::relativeFreq (const T& b) const
     {
       typename std::set< T >::iterator it = bins_.find (b);
       if (it == bins_.end ()) {
@@ -182,7 +182,7 @@ namespace hpp {
     {}
 
     template < typename T >
-    std::ostream& Statistics<T>::print (std::ostream& os) const
+      std::ostream& Statistics<T>::print (std::ostream& os) const
     {
       const_iterator it;
       for (it = begin(); it != end(); it++) {
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 83c16fca4753e6b2f90987e75eee17b52a3c36e6..25283c7488cf5b2bc83fb27eaffc750c00852cec 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -22,7 +22,6 @@ SET(LIBRARY_NAME ${PROJECT_NAME})
 ADD_LIBRARY(${LIBRARY_NAME} SHARED
   bin.cc
   success-bin.cc
-  operators.cc
 )
 
 INSTALL(TARGETS ${LIBRARY_NAME} DESTINATION lib)
diff --git a/tests/test-successstatistics.cc b/tests/test-successstatistics.cc
index 594cb5964af780c74e8ab4a44f41eed80914efb6..1f3826d177700cdc70b4e635f0e3aab9255bb22e 100644
--- a/tests/test-successstatistics.cc
+++ b/tests/test-successstatistics.cc
@@ -19,7 +19,6 @@
 #include <iostream>
 
 #include "hpp/statistics/success-bin.hh"
-#include "hpp/statistics/operators.hh"
 
 HPP_DEFINE_REASON_FAILURE (REASON_TEST, "Fake reason for testing purpose");