diff --git a/src/msw/graphicsd2d.cpp b/src/msw/graphicsd2d.cpp
index e5aacd82ae..a436dd6243 100644
--- a/src/msw/graphicsd2d.cpp
+++ b/src/msw/graphicsd2d.cpp
@@ -390,6 +390,10 @@ public:
     {
     }
 
+    virtual ~wxDirect2DFontFileEnumerator()
+    {
+    }
+
     // IDWriteFontFileEnumerator methods
     virtual wxSTDMETHODIMP MoveNext(BOOL* pHasCurrentFile) wxOVERRIDE
     {
@@ -449,6 +453,10 @@ public:
         ms_isInitialized = true;
     }
 
+    virtual ~wxDirect2DFontCollectionLoader()
+    {
+    }
+
     // IDWriteFontCollectionLoader methods
     virtual wxSTDMETHODIMP CreateEnumeratorFromKey(IDWriteFactory* pFactory,
                                         void const* pCollectionKey, UINT32 collectionKeySize,