diff --git a/autoconf/config.h.in b/autoconf/config.h.in
index 7c3668e0e15..03542474a61 100644
--- a/autoconf/config.h.in
+++ b/autoconf/config.h.in
@@ -982,9 +982,6 @@
 /* Define to 1 if you have the `__argz_stringify' function. */
 #undef HAVE___ARGZ_STRINGIFY
 
-/* Define to 1 if you have the `__builtin_va_copy' function. */
-#undef HAVE___BUILTIN_VA_COPY
-
 /* Define to 1 if you have the `__fsetlocking' function. */
 #undef HAVE___FSETLOCKING
 
diff --git a/configure b/configure
index 80cd7255a26..cb6f45b4d35 100755
--- a/configure
+++ b/configure
@@ -22836,42 +22836,6 @@ fi
 done
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_va_copy" >&5
-$as_echo_n "checking for __builtin_va_copy... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-   #include <stdarg.h>
-
-int
-main ()
-{
-
-   va_list ap, ap2;
-   __builtin_va_copy(ap2, ap);
-   return 0;
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-
-$as_echo "#define HAVE___BUILTIN_VA_COPY 1" >>confdefs.h
-
-
-else
-
-   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Python support" >&5
 $as_echo_n "checking for Python support... " >&6; }