1 files changed, 0 insertions, 3 deletions

diff --git a/src/config.in b/src/config.in
index 105f343870c..737d3827363 100644
--- a/src/config.in
+++ b/src/config.in
@@ -1053,9 +1053,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 /* Define to `int' if <sys/types.h> does not define. */
 #undef pid_t
 
-/* Define to `unsigned int' if <sys/types.h> does not define. */
-#undef size_t
-
 /* Define to any substitute for sys_siglist. */
 #undef sys_siglist