diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index 3576d6caa1..33d24db4d5 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -2272,6 +2272,8 @@ void MainFrame::on_sys_color_changed()
 #endif
 #endif
 
+    diff_dialog.on_sys_color_changed();
+
     // BBS
     m_tabpanel->Rescale();
     m_param_panel->msw_rescale();
diff --git a/src/slic3r/GUI/UnsavedChangesDialog.cpp b/src/slic3r/GUI/UnsavedChangesDialog.cpp
index aab4b5c2d4..b05bfcc703 100644
--- a/src/slic3r/GUI/UnsavedChangesDialog.cpp
+++ b/src/slic3r/GUI/UnsavedChangesDialog.cpp
@@ -2114,11 +2114,6 @@ void DiffPresetDialog::show(Preset::Type type /* = Preset::TYPE_INVALID*/)
 
     update_tree();
     wxGetApp().UpdateDlgDarkUI(this);
-#ifdef _WIN32 // ORCA ensure row colors updated after opening dialog again after switching Dark Mode
-    wxGetApp().UpdateAllStaticTextDarkUI(this);
-    wxGetApp().UpdateDarkUI(m_show_all_presets);
-    wxGetApp().UpdateDVCDarkUI(m_tree);
-#endif
 
     // if this dialog is shown it have to be Hide and show again to be placed on the very Top of windows
     if (IsShown())
diff --git a/src/slic3r/GUI/UnsavedChangesDialog.hpp b/src/slic3r/GUI/UnsavedChangesDialog.hpp
index e4d7d61092..8a9d9e680c 100644
--- a/src/slic3r/GUI/UnsavedChangesDialog.hpp
+++ b/src/slic3r/GUI/UnsavedChangesDialog.hpp
@@ -463,7 +463,6 @@ public:
 
     std::array<Preset::Type, 3>         types_list() const;
 
-protected:
     void on_dpi_changed(const wxRect& suggested_rect) override;
     void on_sys_color_changed() override;
 };