diff --git a/lib/curl_setup.h b/lib/curl_setup.h
index fc597d75dc..4a3b85c450 100644
--- a/lib/curl_setup.h
+++ b/lib/curl_setup.h
@@ -22,6 +22,10 @@
  *
  ***************************************************************************/
 
+#if defined(BUILDING_LIBCURL) && !defined(CURL_NO_OLDIES)
+#define CURL_NO_OLDIES
+#endif
+
 /*
  * Define WIN32 when build target is Win32 API
  */