diff --git a/include/wx/buffer.h b/include/wx/buffer.h
index 01b44c72b3..7a550a9310 100644
--- a/include/wx/buffer.h
+++ b/include/wx/buffer.h
@@ -191,9 +191,6 @@ public:
     operator const char *() const { return (const char*)m_data; }
 
 protected:
-    // Don't allow copy or assignment
-    wxMemoryBuffer(const wxMemoryBuffer&) {}
-    wxMemoryBuffer& operator=(const wxCharBuffer& src) {}
 
     void ResizeIfNeeded(size_t newSize)
     {
@@ -205,6 +202,8 @@ protected:
         }
     }
 
+    DECLARE_NO_COPY_CLASS(wxMemoryBuffer)
+
 private:
     void*       m_data;
     size_t      m_size;