diff --git a/examples/patchkernel_example_00001.cpp b/examples/patchkernel_example_00001.cpp
index 561eafc46c..4c67f6573f 100644
--- a/examples/patchkernel_example_00001.cpp
+++ b/examples/patchkernel_example_00001.cpp
@@ -37,7 +37,6 @@
 #include <mpi.h>
 #endif
 
-#include "bitpit_IO.hpp"
 #include "bitpit_patchkernel.hpp"
 
 using namespace bitpit;
diff --git a/examples/voloctree_adaptation_example_00001.cpp b/examples/voloctree_adaptation_example_00001.cpp
index da46785b12..1c6c21741a 100644
--- a/examples/voloctree_adaptation_example_00001.cpp
+++ b/examples/voloctree_adaptation_example_00001.cpp
@@ -28,7 +28,7 @@
 #include <mpi.h>
 #endif
 
-#include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 #include "bitpit_voloctree.hpp"
 
 using namespace bitpit;
diff --git a/src/IO/bitpit_IO.hpp b/src/IO/bitpit_IO.hpp
index 3188d75bfb..5c9883d539 100644
--- a/src/IO/bitpit_IO.hpp
+++ b/src/IO/bitpit_IO.hpp
@@ -37,14 +37,12 @@
  *     @{
  *         @defgroup VTKEnums VTK Enumerations
  *     @}
- *     @defgroup Logger Logger
  * @}
  */
 
 #include "binary_archive.hpp"
 #include "configuration.hpp"
 #include "index_generator.hpp"
-#include "logger.hpp"
 #include "VTK.hpp"
 #include "DGF.hpp"
 #include "GenericIO.hpp"
diff --git a/src/LA/system_solvers_large.cpp b/src/LA/system_solvers_large.cpp
index 0db8464f92..e73c1d913e 100644
--- a/src/LA/system_solvers_large.cpp
+++ b/src/LA/system_solvers_large.cpp
@@ -26,7 +26,7 @@
 #include <string>
 #include <unordered_set>
 
-#include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 
 #include "system_solvers_large.hpp"
 
diff --git a/src/PABLO/ParaTree.hpp b/src/PABLO/ParaTree.hpp
index 83b17c8422..1299459f72 100644
--- a/src/PABLO/ParaTree.hpp
+++ b/src/PABLO/ParaTree.hpp
@@ -67,7 +67,7 @@
 #include "tree_constants.hpp"
 #include "LocalTree.hpp"
 #include "Map.hpp"
-#include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 #include <map>
 #include <unordered_map>
 #include <unordered_set>
diff --git a/src/POD/pod_kernel.hpp b/src/POD/pod_kernel.hpp
index eb32928550..e66ee6f26f 100644
--- a/src/POD/pod_kernel.hpp
+++ b/src/POD/pod_kernel.hpp
@@ -33,8 +33,8 @@
 #include <unordered_map>
 
 #include "pod_common.hpp"
+#include "bitpit_common.hpp"
 #include "bitpit_patchkernel.hpp"
-#include "bitpit_IO.hpp"
 
 namespace bitpit {
 
diff --git a/src/RBF/rbf.cpp b/src/RBF/rbf.cpp
index 1051eef8ad..0797464a97 100644
--- a/src/RBF/rbf.cpp
+++ b/src/RBF/rbf.cpp
@@ -28,8 +28,8 @@
 
 #include "bitpit_private_lapacke.hpp"
 
+#include "bitpit_common.hpp"
 #include "bitpit_operators.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_SA.hpp"
 
 #include "rbf.hpp"
diff --git a/src/common/bitpit_common.hpp b/src/common/bitpit_common.hpp
index ad39e41aaa..97819cd294 100644
--- a/src/common/bitpit_common.hpp
+++ b/src/common/bitpit_common.hpp
@@ -32,6 +32,7 @@
  * @defgroup common_strings String manipulation
  * @defgroup common_binary Binary streams
  * @defgroup common_hashing Hashing
+ * @defgroup common_logger Logger
  * @defgroup common_misc Miscellaneous
  * @defgroup common_macro Macros
  * @defgroup common_constants Constants
@@ -42,6 +43,7 @@
 #include "compiler.hpp"
 #include "constants.hpp"
 #include "fileHandler.hpp"
+#include "logger.hpp"
 #include "utils.hpp"
 
 #include "moduleEnd.hpp"
diff --git a/src/IO/logger.cpp b/src/common/logger.cpp
similarity index 99%
rename from src/IO/logger.cpp
rename to src/common/logger.cpp
index 9565600e81..27dc6a445a 100644
--- a/src/IO/logger.cpp
+++ b/src/common/logger.cpp
@@ -27,18 +27,22 @@
 #include <cmath>
 #include <chrono>
 #include <ctime>
-#include <ostream>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <sstream>
 #include <functional>
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#include "fileHandler.hpp"
 #include "logger.hpp"
 
 namespace bitpit{
 
 /*!
     \class LoggerBuffer
-    \ingroup Logger
+    \ingroup common_logger
     \brief Stream buffer for the message logger.
 
     This class implements a stream buffer used by the message logger.
@@ -416,7 +420,7 @@ const std::string LoggerBuffer::getTimestamp() const
 
 /*!
     \class Logger
-    \ingroup Logger
+    \ingroup common_logger
     \brief Message logger.
 
     This class implements a message logger. The logger allows to write
@@ -877,7 +881,7 @@ void Logger::print(const std::string &message, log::Priority priority, log::Visi
 
 /*!
     \class LoggerManager
-    \ingroup Logger
+    \ingroup common_logger
     \brief Manager for the loggers.
 
     This class implements a manager for the loggers. The manager allowes the
diff --git a/src/IO/logger.hpp b/src/common/logger.hpp
similarity index 99%
rename from src/IO/logger.hpp
rename to src/common/logger.hpp
index f39e2a3fcb..d3d3e39737 100644
--- a/src/IO/logger.hpp
+++ b/src/common/logger.hpp
@@ -25,11 +25,10 @@
 #define __BITPIT_LOGGER_HPP__
 
 #include <memory>
+#include <ostream>
 #include <unordered_map>
 #include <vector>
 
-#include "bitpit_common.hpp"
-
 #define BITPIT_DEBUG_COUT(...) BITPIT_OVERLOAD_CALL(BITPIT_DEBUG_COUT, __VA_ARGS__)
 #if BITPIT_ENABLE_DEBUG
 #define BITPIT_DEBUG_COUT_0()     bitpit::log::cout()
@@ -259,7 +258,7 @@ class LoggerManager
 
 
 /*!
-    \ingroup Logger
+    \ingroup common_logger
     \brief The namespace 'log' contains routines for interacting with the
     message logger.
 */
diff --git a/src/communications/communications.cpp b/src/communications/communications.cpp
index af4b83e52c..da747b8b42 100644
--- a/src/communications/communications.cpp
+++ b/src/communications/communications.cpp
@@ -24,7 +24,7 @@
 
 #if BITPIT_ENABLE_MPI==1
 
-#include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 
 #include "communications.hpp"
 #include "communications_tags.hpp"
diff --git a/src/discretization/reconstruction.cpp b/src/discretization/reconstruction.cpp
index 449edaa06c..3f8d6ad75e 100644
--- a/src/discretization/reconstruction.cpp
+++ b/src/discretization/reconstruction.cpp
@@ -26,7 +26,6 @@
 #include <limits>
 #include <cblas.h>
 
-#include "bitpit_IO.hpp"
 #include "bitpit_LA.hpp"
 #include "bitpit_operators.hpp"
 
diff --git a/src/patchkernel/patch_manager.hpp b/src/patchkernel/patch_manager.hpp
index 7e037623cc..0f6dcc3931 100644
--- a/src/patchkernel/patch_manager.hpp
+++ b/src/patchkernel/patch_manager.hpp
@@ -29,8 +29,6 @@
 #include <iostream>
 #include <unordered_map>
 
-#include "bitpit_IO.hpp"
-
 namespace bitpit {
 
 class PatchManager {
diff --git a/src/surfunstructured/surfunstructured.cpp b/src/surfunstructured/surfunstructured.cpp
index ad0db7cd36..d13e32d60a 100644
--- a/src/surfunstructured/surfunstructured.cpp
+++ b/src/surfunstructured/surfunstructured.cpp
@@ -23,6 +23,7 @@
 \*---------------------------------------------------------------------------*/
 
 #include "bitpit_common.hpp"
+#include "bitpit_IO.hpp"
 
 #include "surfunstructured.hpp"
 
diff --git a/src/surfunstructured/surfunstructured.hpp b/src/surfunstructured/surfunstructured.hpp
index 61d7eaa869..3863ea0915 100644
--- a/src/surfunstructured/surfunstructured.hpp
+++ b/src/surfunstructured/surfunstructured.hpp
@@ -28,7 +28,6 @@
 #include <array>
 #include <vector>
 
-#include "bitpit_IO.hpp"
 #include "bitpit_patchkernel.hpp"
 
 namespace bitpit {
diff --git a/src/voloctree/voloctree.cpp b/src/voloctree/voloctree.cpp
index c0d96c274f..1b9e938bed 100644
--- a/src/voloctree/voloctree.cpp
+++ b/src/voloctree/voloctree.cpp
@@ -25,7 +25,7 @@
 #include <cassert>
 #include <cmath>
 
-#include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 
 #include "voloctree.hpp"
 
diff --git a/test/LA/test_LA_parallel_00001.cpp b/test/LA/test_LA_parallel_00001.cpp
index 42da1a59a1..096b4437d3 100644
--- a/test/LA/test_LA_parallel_00001.cpp
+++ b/test/LA/test_LA_parallel_00001.cpp
@@ -26,7 +26,6 @@
 #include <mpi.h>
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_LA.hpp"
 
 using namespace bitpit;
diff --git a/test/PABLO/test_PABLO_00001.cpp b/test/PABLO/test_PABLO_00001.cpp
index 3737b7467a..a6f6c30083 100644
--- a/test/PABLO/test_PABLO_00001.cpp
+++ b/test/PABLO/test_PABLO_00001.cpp
@@ -28,7 +28,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 using namespace std;
 using namespace bitpit;
diff --git a/test/PABLO/test_PABLO_00002.cpp b/test/PABLO/test_PABLO_00002.cpp
index a0532c037a..fcd0c66a3d 100644
--- a/test/PABLO/test_PABLO_00002.cpp
+++ b/test/PABLO/test_PABLO_00002.cpp
@@ -28,7 +28,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 using namespace std;
 using namespace bitpit;
diff --git a/test/PABLO/test_PABLO_00003.cpp b/test/PABLO/test_PABLO_00003.cpp
index b7643d28ad..9c81c323b4 100644
--- a/test/PABLO/test_PABLO_00003.cpp
+++ b/test/PABLO/test_PABLO_00003.cpp
@@ -28,7 +28,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 using namespace std;
 using namespace bitpit;
diff --git a/test/PABLO/test_PABLO_00004.cpp b/test/PABLO/test_PABLO_00004.cpp
index 19095f3d9d..e04d1b4d2c 100644
--- a/test/PABLO/test_PABLO_00004.cpp
+++ b/test/PABLO/test_PABLO_00004.cpp
@@ -28,7 +28,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 using namespace std;
 using namespace bitpit;
diff --git a/test/PABLO/test_PABLO_00005.cpp b/test/PABLO/test_PABLO_00005.cpp
index 512fb412f1..0329648fea 100644
--- a/test/PABLO/test_PABLO_00005.cpp
+++ b/test/PABLO/test_PABLO_00005.cpp
@@ -28,7 +28,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 using namespace std;
 using namespace bitpit;
diff --git a/test/PABLO/test_PABLO_parallel_00001.cpp b/test/PABLO/test_PABLO_parallel_00001.cpp
index 3c4fd9ce0c..ed943aba94 100644
--- a/test/PABLO/test_PABLO_parallel_00001.cpp
+++ b/test/PABLO/test_PABLO_parallel_00001.cpp
@@ -26,7 +26,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 using namespace std;
 using namespace bitpit;
diff --git a/test/PABLO/test_PABLO_parallel_00002.cpp b/test/PABLO/test_PABLO_parallel_00002.cpp
index dd78cc94da..55e6ffdc6d 100644
--- a/test/PABLO/test_PABLO_parallel_00002.cpp
+++ b/test/PABLO/test_PABLO_parallel_00002.cpp
@@ -26,7 +26,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 using namespace std;
 using namespace bitpit;
diff --git a/test/PABLO/test_PABLO_parallel_00003.cpp b/test/PABLO/test_PABLO_parallel_00003.cpp
index 71fdc38120..561fc2121e 100644
--- a/test/PABLO/test_PABLO_parallel_00003.cpp
+++ b/test/PABLO/test_PABLO_parallel_00003.cpp
@@ -26,7 +26,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 using namespace bitpit;
 
diff --git a/test/PABLO/test_PABLO_parallel_00004.cpp b/test/PABLO/test_PABLO_parallel_00004.cpp
index 43515677b5..e51e288abb 100644
--- a/test/PABLO/test_PABLO_parallel_00004.cpp
+++ b/test/PABLO/test_PABLO_parallel_00004.cpp
@@ -26,7 +26,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 using namespace bitpit;
 
diff --git a/test/PABLO/test_PABLO_parallel_00006.cpp b/test/PABLO/test_PABLO_parallel_00006.cpp
index 49e21a3f74..3cb5798b59 100644
--- a/test/PABLO/test_PABLO_parallel_00006.cpp
+++ b/test/PABLO/test_PABLO_parallel_00006.cpp
@@ -24,7 +24,6 @@
 
 #include "bitpit_common.hpp"
 #include "bitpit_PABLO.hpp"
-#include "bitpit_IO.hpp"
 
 #include <mpi.h>
 
diff --git a/test/RBF/test_RBF_00001.cpp b/test/RBF/test_RBF_00001.cpp
index eaf655ff39..4bf813be26 100644
--- a/test/RBF/test_RBF_00001.cpp
+++ b/test/RBF/test_RBF_00001.cpp
@@ -27,6 +27,7 @@
 #include <mpi.h>
 #endif
 
+#include "bitpit_common.hpp"
 #include "bitpit_IO.hpp"
 #include "bitpit_RBF.hpp"
 
diff --git a/test/RBF/test_RBF_00003.cpp b/test/RBF/test_RBF_00003.cpp
index 05eb0f26ce..20724f1d3b 100644
--- a/test/RBF/test_RBF_00003.cpp
+++ b/test/RBF/test_RBF_00003.cpp
@@ -34,6 +34,7 @@
 
 #include "bitpit_operators.hpp"
 #include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 #include "bitpit_RBF.hpp"
 
 using namespace bitpit;
diff --git a/test/communications/test_communications_parallel_00001.cpp b/test/communications/test_communications_parallel_00001.cpp
index 3d0e5d4bfa..a0c0742026 100644
--- a/test/communications/test_communications_parallel_00001.cpp
+++ b/test/communications/test_communications_parallel_00001.cpp
@@ -24,7 +24,7 @@
 
 #include <mpi.h>
 
-#include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 #include "bitpit_communications.hpp"
 
 using namespace bitpit;
diff --git a/test/communications/test_communications_parallel_00002.cpp b/test/communications/test_communications_parallel_00002.cpp
index 22a0b826d1..23461671e9 100644
--- a/test/communications/test_communications_parallel_00002.cpp
+++ b/test/communications/test_communications_parallel_00002.cpp
@@ -24,7 +24,7 @@
 
 #include <mpi.h>
 
-#include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 #include "bitpit_communications.hpp"
 
 using namespace bitpit;
diff --git a/test/discretization/test_discretization_00001.cpp b/test/discretization/test_discretization_00001.cpp
index 99db739d34..82a4d58036 100644
--- a/test/discretization/test_discretization_00001.cpp
+++ b/test/discretization/test_discretization_00001.cpp
@@ -27,7 +27,7 @@
 #   include <mpi.h>
 #endif
 
-#include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 #include "bitpit_discretization.hpp"
 #include "bitpit_volcartesian.hpp"
 
diff --git a/test/levelset/test_levelset_parallel_00003.cpp b/test/levelset/test_levelset_parallel_00003.cpp
index ec35f2daf1..4e2463fab0 100644
--- a/test/levelset/test_levelset_parallel_00003.cpp
+++ b/test/levelset/test_levelset_parallel_00003.cpp
@@ -28,7 +28,7 @@
 
 #include <mpi.h>
 
-#include "bitpit_IO.hpp"
+#include "bitpit_common.hpp"
 #include "bitpit_surfunstructured.hpp"
 #include "bitpit_voloctree.hpp"
 #include "bitpit_levelset.hpp"
diff --git a/test/surfunstructured/test_surfunstructured_00001.cpp b/test/surfunstructured/test_surfunstructured_00001.cpp
index 35db4a78d9..4d33372976 100644
--- a/test/surfunstructured/test_surfunstructured_00001.cpp
+++ b/test/surfunstructured/test_surfunstructured_00001.cpp
@@ -41,7 +41,6 @@
 
 // BitPit
 # include "bitpit_common.hpp"                                                 // Utilities and common definitions
-# include "bitpit_IO.hpp"                                                     // Input/output
 # include "bitpit_operators.hpp"                                              // STL containers operators
 # include "bitpit_patchkernel.hpp"                                            // BitPit base patch
 # include "bitpit_surfunstructured.hpp"                                           // BitPit surftri patch
diff --git a/test/surfunstructured/test_surfunstructured_parallel_00005.cpp b/test/surfunstructured/test_surfunstructured_parallel_00005.cpp
index 6ba4e35db9..3a2ea77104 100644
--- a/test/surfunstructured/test_surfunstructured_parallel_00005.cpp
+++ b/test/surfunstructured/test_surfunstructured_parallel_00005.cpp
@@ -23,7 +23,6 @@
 \*---------------------------------------------------------------------------*/
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_CG.hpp"
 #include "bitpit_surfunstructured.hpp"
 
diff --git a/test/surfunstructured/test_surfunstructured_parallel_00008.cpp b/test/surfunstructured/test_surfunstructured_parallel_00008.cpp
index 13e26bc740..b4ba311049 100644
--- a/test/surfunstructured/test_surfunstructured_parallel_00008.cpp
+++ b/test/surfunstructured/test_surfunstructured_parallel_00008.cpp
@@ -23,7 +23,6 @@
 \*---------------------------------------------------------------------------*/
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_CG.hpp"
 #include "bitpit_surfunstructured.hpp"
 
diff --git a/test/voloctree/test_voloctree_00001.cpp b/test/voloctree/test_voloctree_00001.cpp
index b464a39d13..b2ac6c4f81 100644
--- a/test/voloctree/test_voloctree_00001.cpp
+++ b/test/voloctree/test_voloctree_00001.cpp
@@ -28,7 +28,6 @@
 #endif
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_voloctree.hpp"
 
 using namespace bitpit;
diff --git a/test/voloctree/test_voloctree_00002.cpp b/test/voloctree/test_voloctree_00002.cpp
index 173aee0b32..3d1a6c47af 100644
--- a/test/voloctree/test_voloctree_00002.cpp
+++ b/test/voloctree/test_voloctree_00002.cpp
@@ -29,7 +29,6 @@
 #endif
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_voloctree.hpp"
 
 using namespace bitpit;
diff --git a/test/voloctree/test_voloctree_00003.cpp b/test/voloctree/test_voloctree_00003.cpp
index a123f0d40d..4056c5c25b 100644
--- a/test/voloctree/test_voloctree_00003.cpp
+++ b/test/voloctree/test_voloctree_00003.cpp
@@ -28,7 +28,6 @@
 #endif
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_voloctree.hpp"
 
 using namespace bitpit;
diff --git a/test/voloctree/test_voloctree_parallel_00001.cpp b/test/voloctree/test_voloctree_parallel_00001.cpp
index 82ac22a427..9e5bacb839 100644
--- a/test/voloctree/test_voloctree_parallel_00001.cpp
+++ b/test/voloctree/test_voloctree_parallel_00001.cpp
@@ -27,7 +27,6 @@
 #include <unordered_map>
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_voloctree.hpp"
 
 using namespace bitpit;
diff --git a/test/voloctree/test_voloctree_parallel_00002.cpp b/test/voloctree/test_voloctree_parallel_00002.cpp
index 4ad07aa03f..f84053efda 100644
--- a/test/voloctree/test_voloctree_parallel_00002.cpp
+++ b/test/voloctree/test_voloctree_parallel_00002.cpp
@@ -26,7 +26,6 @@
 #include <mpi.h>
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_voloctree.hpp"
 
 using namespace bitpit;
diff --git a/test/voloctree/test_voloctree_parallel_00004.cpp b/test/voloctree/test_voloctree_parallel_00004.cpp
index 45217495d9..a0f7270b7a 100644
--- a/test/voloctree/test_voloctree_parallel_00004.cpp
+++ b/test/voloctree/test_voloctree_parallel_00004.cpp
@@ -26,7 +26,6 @@
 #include <mpi.h>
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_voloctree.hpp"
 
 using namespace bitpit;
diff --git a/test/volunstructured/test_volunstructured_00001.cpp b/test/volunstructured/test_volunstructured_00001.cpp
index 414dc9b2f6..f4e65c9aab 100644
--- a/test/volunstructured/test_volunstructured_00001.cpp
+++ b/test/volunstructured/test_volunstructured_00001.cpp
@@ -25,7 +25,6 @@
 #include <array>
 
 #include "bitpit_common.hpp"
-#include "bitpit_IO.hpp"
 #include "bitpit_operators.hpp"
 #include "bitpit_volunstructured.hpp"