1 files changed, 0 insertions, 11 deletions

diff --git a/src/s/aix4-2.h b/src/s/aix4-2.h
index 7b7f785954d..ec7a1eeb0b8 100644
--- a/src/s/aix4-2.h
+++ b/src/s/aix4-2.h
@@ -60,17 +60,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    to avoid a crash just use the Emacs implementation for that function.  */
 #define BROKEN_GET_CURRENT_DIR_NAME 1
 
-/*** BUILD 9008 - FIONREAD problem still exists in X-Windows. ***/
-#define BROKEN_FIONREAD
-/* As we define BROKEN_FIONREAD, SIGIO will be undefined in systty.h.
-   But, on AIX, SIGAIO, SIGPTY, and SIGPOLL are defined as SIGIO,
-   which causes compilation error at init_signals in sysdep.c.  So, we
-   define these macros so that syssignal.h detects them and undefine
-   SIGAIO, SIGPTY and SIGPOLL.  */
-#define BROKEN_SIGAIO
-#define BROKEN_SIGPTY
-#define BROKEN_SIGPOLL
-
 /* Conservative garbage collection has not been tested, so for now
    play it safe and stick with the old-fashioned way of marking.  */
 #define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE