diff --git a/man7/mq_overview.7 b/man7/mq_overview.7
index 7bade59a6..b384c02de 100644
--- a/man7/mq_overview.7
+++ b/man7/mq_overview.7
@@ -348,8 +348,6 @@ This is not portable.
 For a discussion of the interaction of System V IPC objects and
 IPC namespaces, see
 .BR namespaces (7).
-.SH CONFORMING TO
-POSIX.1-2001.
 .SH NOTES
 System V message queues
 .RB ( msgget (2),