2 files changed, 1 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog
index 8e752ba6a..db9a03777 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,7 +3,7 @@
 	* doc/mdate-sh, doc/texinfo.tex, install-sh, missing, ylwrap: Remove.
 	* .bootstrap: Use autoreconf (and in particular automake -a).
 
-	* gmp-h.in: Remove __need_size_t.
+	* gmp-h.in: Remove __need_size_t. Include <stddef.h>, not <cstddef>.
 
 	* tests/mpf/reuse.c (main): Use small numbers as exponents.
 
diff --git a/gmp-h.in b/gmp-h.in
index 55fa735ae..5a91c6c3a 100644
--- a/gmp-h.in
+++ b/gmp-h.in
@@ -46,11 +46,7 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
 #ifndef __GNU_MP__
 #define __GNU_MP__ 5
 
-#if defined (__cplusplus)
-#include <cstddef>     /* for size_t */
-#else
 #include <stddef.h>    /* for size_t */
-#endif
 
 /* Instantiated by configure. */
 #if ! defined (__GMP_WITHIN_CONFIGURE)