diff --git a/Device/InputOutput/DataFormatUtils.cpp b/Device/InputOutput/DataFormatUtils.cpp
index dcfcf000a2c2ed164e41ea4d20da105ec0a902d3..7570df4716029e23b6e5e2ad249df2632e217936 100644
--- a/Device/InputOutput/DataFormatUtils.cpp
+++ b/Device/InputOutput/DataFormatUtils.cpp
@@ -23,13 +23,76 @@
 #include <iterator>
 
 namespace {
-std::istringstream getAxisStringRepresentation(std::istream& input_stream);
+using createAxisFun = std::function<std::unique_ptr<IAxis>(std::istringstream iss)>;
 
-template <class Axis> std::unique_ptr<IAxis> createFixedBinLikeAxis(std::istringstream iss);
-std::unique_ptr<IAxis> createVariableBinAxis(std::istringstream iss);
-std::unique_ptr<IAxis> createPointwiseAxis(std::istringstream iss);
+const std::string GzipExtension = ".gz";
+const std::string BzipExtension = ".bz2";
+const std::string IntExtension = ".int";
+const std::string NicosExtension = ".001";
+const std::string TiffExtension = ".tif";
+const std::string TiffExtension2 = ".tiff";
+
+std::istringstream getAxisStringRepresentation(std::istream& input_stream)
+{
+    std::string line;
+    std::getline(input_stream, line);
+    const std::vector<std::string> to_replace = {",", "\"", "(", ")", "[", "]"};
+    StringUtils::replaceItemsFromString(line, to_replace, " ");
+    return std::istringstream(line);
+}
+
+//! Creates one of FixedBinAxis from string representation
+//! FixedBinAxis("axis0", 10, -1, 1)
+//! ConstKBinAxis("axis0", 10, -1, 1)
+//! CustomBinAxis("axis0", 10, -1, 1)
+template <class Axis> std::unique_ptr<IAxis> createFixedBinLikeAxis(std::istringstream iss)
+{
+    std::string name;
+    size_t nbins(0);
+    if (!(iss >> name >> nbins))
+        throw std::runtime_error("createFixedBinLikeAxis() -> Error. Can't parse the string.");
+
+    std::vector<double> boundaries;
+    DataFormatUtils::readLineOfDoubles(boundaries, iss);
+    if (boundaries.size() != 2)
+        throw std::runtime_error("Error in createFixedBinLikeAxis: Can't parse the string while "
+                                 "reading boundaries.");
+
+    return std::make_unique<Axis>(name, nbins, boundaries[0], boundaries[1]);
+}
+
+//! Creates VariableBinAxis from string representation
+//! VariableBinAxis("axis0", 4, [-1, -0.5, 0.5, 1, 2])
+std::unique_ptr<IAxis> createVariableBinAxis(std::istringstream iss)
+{
+    std::string name;
+    size_t nbins(0);
+    if (!(iss >> name >> nbins))
+        throw std::runtime_error("Error in createVariableBinAxis: Can't parse the string.");
+
+    std::vector<double> boundaries;
+    DataFormatUtils::readLineOfDoubles(boundaries, iss);
+    if (boundaries.size() != nbins + 1)
+        throw std::runtime_error(
+            "Error in createVariableBinAxis: wrong number of boundaries read.");
+
+    return std::make_unique<VariableBinAxis>(name, nbins, boundaries);
+}
+
+//! Creates createPointwiseAxis from string representation
+//! PointwiseAxis("axis0", [-0.5, 0.5, 1, 2])
+std::unique_ptr<IAxis> createPointwiseAxis(std::istringstream iss)
+{
+    std::string name;
+    if (!(iss >> name))
+        throw std::runtime_error("Error in createPointwiseAxis:Can't parse the string.");
+
+    std::vector<double> coordinates;
+    DataFormatUtils::readLineOfDoubles(coordinates, iss);
+
+    return std::make_unique<PointwiseAxis>(name, coordinates);
+}
 
-using createAxisFun = std::function<std::unique_ptr<IAxis>(std::istringstream iss)>;
 const std::vector<std::pair<std::string, createAxisFun>> type_map = {
     {"ConstKBinAxis", createFixedBinLikeAxis<ConstKBinAxis>},
     {"CustomBinAxis", createFixedBinLikeAxis<CustomBinAxis>},
@@ -37,14 +100,9 @@ const std::vector<std::pair<std::string, createAxisFun>> type_map = {
     {"PointwiseAxis", createPointwiseAxis},
     {"VariableBinAxis", createVariableBinAxis}};
 
-const std::string GzipExtension = ".gz";
-const std::string BzipExtension = ".bz2";
-const std::string IntExtension = ".int";
-const std::string NicosExtension = ".001";
-const std::string TiffExtension = ".tif";
-const std::string TiffExtension2 = ".tiff";
 } // namespace
 
+
 bool DataFormatUtils::isCompressed(const std::string& name)
 {
     return isGZipped(name) || isBZipped(name);
@@ -160,66 +218,3 @@ void DataFormatUtils::readLineOfDoubles(std::vector<double>& buffer, std::istrin
     std::copy(std::istream_iterator<double>(iss), std::istream_iterator<double>(),
               back_inserter(buffer));
 }
-
-namespace {
-std::istringstream getAxisStringRepresentation(std::istream& input_stream)
-{
-    std::string line;
-    std::getline(input_stream, line);
-    const std::vector<std::string> to_replace = {",", "\"", "(", ")", "[", "]"};
-    StringUtils::replaceItemsFromString(line, to_replace, " ");
-    return std::istringstream(line);
-}
-
-//! Creates one of FixedBinAxis from string representation
-//! FixedBinAxis("axis0", 10, -1, 1)
-//! ConstKBinAxis("axis0", 10, -1, 1)
-//! CustomBinAxis("axis0", 10, -1, 1)
-template <class Axis> std::unique_ptr<IAxis> createFixedBinLikeAxis(std::istringstream iss)
-{
-    std::string name;
-    size_t nbins(0);
-    if (!(iss >> name >> nbins))
-        throw std::runtime_error("createFixedBinLikeAxis() -> Error. Can't parse the string.");
-
-    std::vector<double> boundaries;
-    DataFormatUtils::readLineOfDoubles(boundaries, iss);
-    if (boundaries.size() != 2)
-        throw std::runtime_error("Error in createFixedBinLikeAxis: Can't parse the string while "
-                                 "reading boundaries.");
-
-    return std::make_unique<Axis>(name, nbins, boundaries[0], boundaries[1]);
-}
-
-//! Creates VariableBinAxis from string representation
-//! VariableBinAxis("axis0", 4, [-1, -0.5, 0.5, 1, 2])
-std::unique_ptr<IAxis> createVariableBinAxis(std::istringstream iss)
-{
-    std::string name;
-    size_t nbins(0);
-    if (!(iss >> name >> nbins))
-        throw std::runtime_error("Error in createVariableBinAxis: Can't parse the string.");
-
-    std::vector<double> boundaries;
-    DataFormatUtils::readLineOfDoubles(boundaries, iss);
-    if (boundaries.size() != nbins + 1)
-        throw std::runtime_error(
-            "Error in createVariableBinAxis: wrong number of boundaries read.");
-
-    return std::make_unique<VariableBinAxis>(name, nbins, boundaries);
-}
-
-//! Creates createPointwiseAxis from string representation
-//! PointwiseAxis("axis0", [-0.5, 0.5, 1, 2])
-std::unique_ptr<IAxis> createPointwiseAxis(std::istringstream iss)
-{
-    std::string name;
-    if (!(iss >> name))
-        throw std::runtime_error("Error in createPointwiseAxis:Can't parse the string.");
-
-    std::vector<double> coordinates;
-    DataFormatUtils::readLineOfDoubles(coordinates, iss);
-
-    return std::make_unique<PointwiseAxis>(name, coordinates);
-}
-} // namespace