diff --git a/sys/netinet/ip_fw.h b/sys/netinet/ip_fw.h
index 78fd18db3f06..86b2bce219b9 100644
--- a/sys/netinet/ip_fw.h
+++ b/sys/netinet/ip_fw.h
@@ -47,7 +47,6 @@ union ip_fw_if {
  * fw_src, fw_dst, fw_smsk, fw_dmsk are always stored in network byte order.
  * fw_flg and fw_n*p are stored in host byte order (of course).
  * Port numbers are stored in HOST byte order.
- * Warning: setsockopt() will fail if sizeof(struct ip_fw) > MLEN (108)
  */
 
 struct ip_fw {