diff --git a/src/net/iprawsock.go b/src/net/iprawsock.go
index 4c06b1b5ac..76dded9ca1 100644
--- a/src/net/iprawsock.go
+++ b/src/net/iprawsock.go
@@ -24,9 +24,6 @@ import (
 // BUG(mikio): On JS and Plan 9, methods and functions related
 // to IPConn are not implemented.
 
-// BUG(mikio): On Windows, the File method of IPConn is not
-// implemented.
-
 // IPAddr represents the address of an IP end point.
 type IPAddr struct {
 	IP   IP
diff --git a/src/net/tcpsock.go b/src/net/tcpsock.go
index 1b11a03f65..9d215db1b2 100644
--- a/src/net/tcpsock.go
+++ b/src/net/tcpsock.go
@@ -14,7 +14,7 @@ import (
 	"time"
 )
 
-// BUG(mikio): On JS and Windows, the File method of TCPConn and
+// BUG(mikio): On JS, the File method of TCPConn and
 // TCPListener is not implemented.
 
 // TCPAddr represents the address of a TCP end point.
diff --git a/src/net/udpsock.go b/src/net/udpsock.go
index 56aabffa31..35da018c30 100644
--- a/src/net/udpsock.go
+++ b/src/net/udpsock.go
@@ -14,9 +14,6 @@ import (
 // BUG(mikio): On Plan 9, the ReadMsgUDP and
 // WriteMsgUDP methods of UDPConn are not implemented.
 
-// BUG(mikio): On Windows, the File method of UDPConn is not
-// implemented.
-
 // BUG(mikio): On JS, methods and functions related to UDPConn are not
 // implemented.