diff --git a/src/gtk/settings.cpp b/src/gtk/settings.cpp
index 19ee62ec70..e4e393b496 100644
--- a/src/gtk/settings.cpp
+++ b/src/gtk/settings.cpp
@@ -1022,10 +1022,5 @@ wxIMPLEMENT_DYNAMIC_CLASS(wxSystemSettingsModule, wxModule);
 
 void wxSystemSettingsModule::OnExit()
 {
-    GtkSettings* settings = gtk_settings_get_default();
-    g_signal_handlers_disconnect_by_func(settings,
-        (void*)notify_gtk_theme_name, NULL);
-    g_signal_handlers_disconnect_by_func(settings,
-        (void*)notify_gtk_font_name, NULL);
 }
 #endif
diff --git a/src/gtk/win_gtk.cpp b/src/gtk/win_gtk.cpp
index 50ffa9f491..6e13eeaa05 100644
--- a/src/gtk/win_gtk.cpp
+++ b/src/gtk/win_gtk.cpp
@@ -325,13 +325,6 @@ GType wxPizza::type()
     static GType type;
     if (type == 0)
     {
-        type = g_type_from_name("wxPizza");
-        if (type)
-        {
-            parent_class = GTK_WIDGET_CLASS(g_type_class_peek_parent(g_type_class_peek(type)));
-            return type;
-        }
-
         const GTypeInfo info = {
             sizeof(wxPizzaClass),
             NULL, NULL,