diff --git a/GUI/View/SampleDesigner/SampleEditorCommands.cpp b/GUI/View/SampleDesigner/SampleEditorCommands.cpp
index b85665bd730119566398f1bbfc231fc2db350867..09eff003a5ee7d835826d876659568f491b81c63 100644
--- a/GUI/View/SampleDesigner/SampleEditorCommands.cpp
+++ b/GUI/View/SampleDesigner/SampleEditorCommands.cpp
@@ -23,29 +23,6 @@
 namespace {
 
 constexpr int COMMAND_ID_CHANGE_VALUE = 11;
-constexpr auto TagBackup = "backup";
-
-template <typename ItemType>
-QByteArray serialize(ItemType& t)
-{
-    QByteArray a;
-    QXmlStreamWriter w(&a);
-    w.writeStartElement(TagBackup);
-    Streamer s(&w);
-    t.serialize(s);
-    w.writeEndElement();
-    return a;
-}
-
-template <typename ItemType>
-void deserialize(ItemType* t, const QByteArray& a)
-{
-    QXmlStreamReader r(a);
-    Streamer sr(&r);
-    r.readNextStartElement();
-    ASSERT(r.name().toString() == TagBackup);
-    t->serialize(sr);
-}
 
 } // namespace