diff --git a/src/common/gdicmn.cpp b/src/common/gdicmn.cpp
index e23c9a27fe..b6c49d06c7 100644
--- a/src/common/gdicmn.cpp
+++ b/src/common/gdicmn.cpp
@@ -717,6 +717,8 @@ void wxDeleteStockLists()
     wxDELETE(wxTheBrushList);
     wxDELETE(wxThePenList);
     wxDELETE(wxTheFontList);
+
+    // wxTheColourDatabase is cleaned up by wxAppBase::CleanUp()
 }
 
 // ============================================================================