diff --git a/GUI/Model/Files/DatafilesSet.h b/GUI/Model/Files/DatafilesSet.h
index 88e900b317f7dee32c1dc668613947e578c3bd43..a5db50471375ac761ebcbab53b419007ca6cb438 100644
--- a/GUI/Model/Files/DatafilesSet.h
+++ b/GUI/Model/Files/DatafilesSet.h
@@ -30,26 +30,23 @@ public:
     explicit DatafilesSet();
     ~DatafilesSet();
 
-    QVector<DataItem*> dataItems() const;
+    void insertDatafileItem(DatafileItem* dfi);
+    void removeDatafileItem(DatafileItem* realItem);
     void clear();
-
-    void writeTo(QXmlStreamWriter* w) const;
     void readFrom(QXmlStreamReader* r);
-
-    void writeDatafiles(const QString& projectDir);
     void readDatafiles(const QString& projectDir, MessageService* messageService);
+    void setCurrentIndex(int index) { m_current_index = index; }
 
-    void insertDatafileItem(DatafileItem* dfi);
-    QVector<DatafileItem*> dfileItems() const;
-
-    void removeDatafileItem(DatafileItem* realItem);
+    void writeTo(QXmlStreamWriter* w) const;
+    void writeDatafiles(const QString& projectDir) const;
 
+    QVector<DatafileItem*> dfileItems() const;
     QStringList realItemNames() const;
-
     int currentIndex() const { return m_current_index; }
-    void setCurrentIndex(int index) { m_current_index = index; }
 
 private:
+    QVector<DataItem*> dataItems() const;
+
     DatafilesCleaner dataFilesCleaner;
     std::vector<std::unique_ptr<DatafileItem>> m_dfile_items;
     int m_current_index = -1;