pex.go | 10 +---------

diff --git a/pex.go b/pex.go
index 76d4cb42eb1eddba0321e9ea9963ac23e9103164..f274ac1547432f7fc0bfa25bbc036218e16dd427 100644
--- a/pex.go
+++ b/pex.go
@@ -153,15 +153,7 @@ // format.
 func nodeAddr(addr PeerRemoteAddr) (krpc.NodeAddr, bool) {
 	ipport, _ := tryIpPortFromNetAddr(addr)
 	ok := ipport.IP != nil
-	return krpc.NodeAddr{IP: shortestIP(ipport.IP), Port: ipport.Port}, ok
-}
-
-// mainly for the krpc marshallers
-func shortestIP(ip net.IP) net.IP {
-	if ip4 := ip.To4(); ip4 != nil {
-		return ip4
-	}
-	return ip
+	return krpc.NodeAddr{IP: ipport.IP, Port: ipport.Port}, ok
 }
 
 // Per-torrent PEX state