diff --git a/sys/man/2/tmdate b/sys/man/2/tmdate
index d5b442342..3738b66d1 100644
--- a/sys/man/2/tmdate
+++ b/sys/man/2/tmdate
@@ -156,11 +156,6 @@ which would get normalized to February 1st.
 Any characters not specified above are copied directly to output,
 without modification.
 
-.PP
-If the format argument is nil, it makes an
-attempt to parse common human readable date formats.  These
-formats include ISO-8601, RFC3339 and RFC2822 dates.
-.
 .PP
 Tmfmt produces a format description structure suitable for passing
 to