diff --git a/src/common/log.cpp b/src/common/log.cpp
index 4ee474bf00..eea84cbf12 100644
--- a/src/common/log.cpp
+++ b/src/common/log.cpp
@@ -694,6 +694,8 @@ void wxLog::DoLogText(const wxString& WXUNUSED(msg))
 #endif // WXWIN_COMPATIBILITY_2_8
 }
 
+#if WXWIN_COMPATIBILITY_2_8
+
 void wxLog::DoLog(wxLogLevel WXUNUSED(level), const char *szString, time_t t)
 {
     DoLogString(szString, t);
@@ -704,6 +706,8 @@ void wxLog::DoLog(wxLogLevel WXUNUSED(level), const wchar_t *wzString, time_t t)
     DoLogString(wzString, t);
 }
 
+#endif // WXWIN_COMPATIBILITY_2_8
+
 // ----------------------------------------------------------------------------
 // wxLog active target management
 // ----------------------------------------------------------------------------