diff --git a/src/x11/dataobj.cpp b/src/x11/dataobj.cpp
index ae09c0fde5..ac53d637a7 100644
--- a/src/x11/dataobj.cpp
+++ b/src/x11/dataobj.cpp
@@ -378,10 +378,12 @@ void wxBitmapDataObject::DoConvertToPng()
 // wxTextDataObject
 // ----------------------------------------------------------------------------
 
+#if defined(wxNEEDS_UTF8_FOR_TEXT_DATAOBJ) || defined(wxNEEDS_UTF16_FOR_TEXT_DATAOBJ)
 void
 wxTextDataObject::GetAllFormats(wxDataFormat *formats,
                                 wxDataObjectBase::Direction WXUNUSED(dir)) const
 {
     *formats++ = GetPreferredFormat();
 }
+#endif
 #endif // wxUSE_DATAOBJ