diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index ede699645a..98e78b2437 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -288,49 +288,8 @@ DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, wxDEFAULT_FRAME_S
 
         preferences_dialog = new PreferencesDialog(this);
     }
-
-    // bind events from DiffDlg
-
-    bind_diff_dialog();
 }
 
-void MainFrame::bind_diff_dialog()
-{
-    auto get_tab = [](Preset::Type type) {
-        Tab* null_tab = nullptr;
-        for (Tab* tab : wxGetApp().tabs_list)
-            if (tab->type() == type)
-                return tab;
-        return null_tab;
-    };
-
-    auto transfer = [this, get_tab](Preset::Type type) {
-        get_tab(type)->transfer_options(diff_dialog.get_left_preset_name(type),
-                                        diff_dialog.get_right_preset_name(type),
-                                        diff_dialog.get_selected_options(type));
-    };
-
-    auto update_presets = [this, get_tab](Preset::Type type) {
-        get_tab(type)->update_preset_choice();
-        m_plater->sidebar().update_presets(type);
-    };
-
-    auto process_options = [this](std::function<void(Preset::Type)> process) {
-        const Preset::Type diff_dlg_type = diff_dialog.view_type();
-        if (diff_dlg_type == Preset::TYPE_INVALID) {
-            for (const Preset::Type& type : diff_dialog.types_list() )
-                process(type);
-        }
-        else
-            process(diff_dlg_type);
-    };
-
-    diff_dialog.Bind(EVT_DIFF_DIALOG_TRANSFER,      [process_options, transfer](SimpleEvent&)         { process_options(transfer); });
-
-    diff_dialog.Bind(EVT_DIFF_DIALOG_UPDATE_PRESETS,[process_options, update_presets](SimpleEvent&)   { process_options(update_presets); });
-}
-
-
 #ifdef _MSW_DARK_MODE
 static wxString pref() { return " [ "; }
 static wxString suff() { return " ] "; }
diff --git a/src/slic3r/GUI/MainFrame.hpp b/src/slic3r/GUI/MainFrame.hpp
index e019d355f9..efde1bb832 100644
--- a/src/slic3r/GUI/MainFrame.hpp
+++ b/src/slic3r/GUI/MainFrame.hpp
@@ -117,7 +117,6 @@ class MainFrame : public DPIFrame
     bool can_delete() const;
     bool can_delete_all() const;
     bool can_reslice() const;
-    void bind_diff_dialog();
 
     // MenuBar items changeable in respect to printer technology 
     enum MenuItems
diff --git a/src/slic3r/GUI/UnsavedChangesDialog.cpp b/src/slic3r/GUI/UnsavedChangesDialog.cpp
index 723937aafa..93b8dbaf26 100644
--- a/src/slic3r/GUI/UnsavedChangesDialog.cpp
+++ b/src/slic3r/GUI/UnsavedChangesDialog.cpp
@@ -41,10 +41,6 @@ namespace Slic3r {
 
 namespace GUI {
 
-wxDEFINE_EVENT(EVT_DIFF_DIALOG_TRANSFER,        SimpleEvent);
-wxDEFINE_EVENT(EVT_DIFF_DIALOG_UPDATE_PRESETS,  SimpleEvent);
-
-
 // ----------------------------------------------------------------------------
 //                  ModelNode: a node inside DiffModel
 // ----------------------------------------------------------------------------
@@ -2062,13 +2058,34 @@ void DiffPresetDialog::button_event(Action act)
     }
     else {
         Hide();
+
         if (act == Action::Transfer)
-            wxPostEvent(this, SimpleEvent(EVT_DIFF_DIALOG_TRANSFER));
+            process_options([this](Preset::Type type) {
+                if (Tab* tab = wxGetApp().get_tab(type))
+                    tab->transfer_options(get_left_preset_name(type),
+                                          get_right_preset_name(type),
+                                          get_selected_options(type));
+            });
         else if (!presets_to_save.empty())
-            wxPostEvent(this, SimpleEvent(EVT_DIFF_DIALOG_UPDATE_PRESETS));
+            process_options([this](Preset::Type type) {
+                if (Tab* tab = wxGetApp().get_tab(type)) {
+                    tab->update_preset_choice();
+                    wxGetApp().sidebar().update_presets(type);
+                }
+            });
     }
 }
 
+void DiffPresetDialog::process_options(std::function<void(Preset::Type)> process)
+{
+    if (m_view_type == Preset::TYPE_INVALID) {
+        for (const Preset::Type& type : types_list())
+            process(type);
+    }
+    else
+        process(m_view_type);
+};
+
 std::string DiffPresetDialog::get_left_preset_name(Preset::Type type)
 {
     PresetComboBox* cb = m_preset_combos[int(type - Preset::TYPE_PRINT)].presets_left;
diff --git a/src/slic3r/GUI/UnsavedChangesDialog.hpp b/src/slic3r/GUI/UnsavedChangesDialog.hpp
index 423599be5e..e83d023d86 100644
--- a/src/slic3r/GUI/UnsavedChangesDialog.hpp
+++ b/src/slic3r/GUI/UnsavedChangesDialog.hpp
@@ -17,10 +17,7 @@ class ScalableButton;
 class wxStaticText;
 
 namespace Slic3r {
-namespace GUI{
-
-wxDECLARE_EVENT(EVT_DIFF_DIALOG_TRANSFER,       SimpleEvent);
-wxDECLARE_EVENT(EVT_DIFF_DIALOG_UPDATE_PRESETS, SimpleEvent);
+namespace GUI {
 
 // ----------------------------------------------------------------------------
 //                  ModelNode: a node inside DiffModel
@@ -412,8 +409,7 @@ public:
     void show(Preset::Type type = Preset::TYPE_INVALID);
     void update_presets(Preset::Type type = Preset::TYPE_INVALID, bool update_preset_bundles_from_app = true);
 
-    Preset::Type        view_type() const           { return m_view_type; }
-    PrinterTechnology   printer_technology() const  { return m_pr_technology; }
+    void process_options(std::function<void(Preset::Type)> process);
 
     std::string get_left_preset_name(Preset::Type type);
     std::string get_right_preset_name(Preset::Type type);