diff --git a/lib/libc/string/strerror.3 b/lib/libc/string/strerror.3
index eeb9f1e53e85..93ed9b2448f3 100644
--- a/lib/libc/string/strerror.3
+++ b/lib/libc/string/strerror.3
@@ -150,14 +150,6 @@ should be used instead.
 .Sh SEE ALSO
 .Xr intro 2 ,
 .Xr psignal 3
-.Sh STANDARDS
-The
-.Fn perror ,
-.Fn strerror
-and
-.Fn strerror_r
-functions conform to
-.St -p1003.1-2001 .
 .Sh HISTORY
 The
 .Fn strerror