diff --git a/man7/sigevent.7 b/man7/sigevent.7
index 9cec77e6e..b9dbf5c11 100644
--- a/man7/sigevent.7
+++ b/man7/sigevent.7
@@ -127,8 +127,6 @@ structure that defines attributes for the new thread (see
 .\" | SIGEV_SIGNAL vs not?
 Currently used only by POSIX timers; see
 .BR timer_create (2).
-.SH CONFORMING TO
-POSIX.1-2001.
 .SH SEE ALSO
 .BR timer_create (2),
 .BR aio_fsync (3),