diff --git a/src/net/sockopt_aix.go b/src/net/sockopt_aix.go
index 6fb207fc92..b49c4d5c7c 100644
--- a/src/net/sockopt_aix.go
+++ b/src/net/sockopt_aix.go
@@ -9,8 +9,6 @@ import (
 	"syscall"
 )
 
-// This was copied from sockopt_linux.go
-
 func setDefaultSockopts(s, family, sotype int, ipv6only bool) error {
 	if family == syscall.AF_INET6 && sotype != syscall.SOCK_RAW {
 		// Allow both IP versions even if the OS default