diff --git a/include/wx/msw/bitmap.h b/include/wx/msw/bitmap.h
index e6b7688b05..94072ac75e 100644
--- a/include/wx/msw/bitmap.h
+++ b/include/wx/msw/bitmap.h
@@ -110,7 +110,7 @@ public:
         return *this;
     }
 
-#ifdef WXWIN_COMPATIBILITY_3_0
+#if WXWIN_COMPATIBILITY_3_0
     // This assignment operator is not portable as it is not implemented in any
     // other ports.
     wxDEPRECATED_MSG("Don't assign wxCursor to an existing wxBitmap, create a new wxBitmap from wxCursor instead.")
diff --git a/include/wx/tipdlg.h b/include/wx/tipdlg.h
index bfccc71fbc..173bbf41cd 100644
--- a/include/wx/tipdlg.h
+++ b/include/wx/tipdlg.h
@@ -48,7 +48,7 @@ public:
     virtual ~wxTipProvider() { }
 
 
-#ifdef WXWIN_COMPATIBILITY_3_0
+#if WXWIN_COMPATIBILITY_3_0
     wxDEPRECATED_MSG("this method does nothing, simply don't call it")
     wxString PreprocessTip(const wxString& tip) { return tip; }
 #endif