1 files changed, 1 insertions, 3 deletions

diff --git a/src/config.in b/src/config.in
index 773fb0301c5..a1fa67f6d2c 100644
--- a/src/config.in
+++ b/src/config.in
@@ -288,7 +288,7 @@ Boston, MA 02111-1307, USA.  */
 #undef HAVE_STRFTIME
 #undef HAVE_GETADDRINFO
 #undef HAVE___FPENDING
-#undef HAVE_FTELLO
+#undef HAVE_FSEEKO
 #undef HAVE_GETLOADAVG
 #undef NLIST_STRUCT
 #undef NLIST_NAME_UNION
@@ -350,8 +350,6 @@ Boston, MA 02111-1307, USA.  */
 #undef _LARGEFILE_SOURCE
 /* Define for large files, on AIX-style hosts.  */
 #undef _LARGE_FILES
-/* Define to make ftello visible on some hosts (e.g. glibc 2.1.3).  */
-#undef _XOPEN_SOURCE
 
 #undef EMACS_CONFIGURATION