diff --git a/src/lib/auditor_api_curl_defaults.c b/src/lib/auditor_api_curl_defaults.c
index d5b924008..507ae0e55 100644
--- a/src/lib/auditor_api_curl_defaults.c
+++ b/src/lib/auditor_api_curl_defaults.c
@@ -44,12 +44,10 @@ TAL_curl_easy_get (const char *url)
                  curl_easy_setopt (eh,
                                    CURLOPT_ENCODING,
                                    "deflate"));
-#ifdef CURLOPT_TCP_FASTOPEN
   GNUNET_assert (CURLE_OK ==
                  curl_easy_setopt (eh,
                                    CURLOPT_TCP_FASTOPEN,
                                    1L));
-#endif
   {
     /* Unfortunately libcurl needs chunk to be alive until after
     curl_easy_perform.  To avoid manual cleanup, we keep
diff --git a/src/lib/exchange_api_curl_defaults.c b/src/lib/exchange_api_curl_defaults.c
index 3ac1dfdbe..57fae166d 100644
--- a/src/lib/exchange_api_curl_defaults.c
+++ b/src/lib/exchange_api_curl_defaults.c
@@ -49,11 +49,9 @@ TEL_curl_easy_get (const char *url)
                  curl_easy_setopt (eh,
                                    CURLOPT_FOLLOWLOCATION,
                                    1L));
-#ifdef CURLOPT_TCP_FASTOPEN
   GNUNET_assert (CURLE_OK ==
                  curl_easy_setopt (eh,
                                    CURLOPT_TCP_FASTOPEN,
                                    1L));
-#endif
   return eh;
 }