diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 4f1c3adc8..0e79a3d02 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -141,6 +141,18 @@ GUI_App::GUI_App()
     , m_imgui(new ImGuiWrapper())
 {}
 
+GUI_App::~GUI_App()
+{
+    if (app_config != nullptr)
+        delete app_config;
+
+    if (preset_bundle != nullptr)
+        delete preset_bundle;
+
+    if (preset_updater != nullptr)
+        delete preset_updater;
+}
+
 bool GUI_App::OnInit()
 {
     try {
diff --git a/src/slic3r/GUI/GUI_App.hpp b/src/slic3r/GUI/GUI_App.hpp
index 3f8b23e2d..5a4da22d3 100644
--- a/src/slic3r/GUI/GUI_App.hpp
+++ b/src/slic3r/GUI/GUI_App.hpp
@@ -95,6 +95,7 @@ public:
     bool            initialized() const { return m_initialized; }
 
     GUI_App();
+    ~GUI_App();
 
     static unsigned get_colour_approx_luma(const wxColour &colour);
     static bool     dark_mode();