diff --git a/p2p/net/swarm/addrs.go b/p2p/net/swarm/addrs.go
deleted file mode 100644
index 392900e069..0000000000
--- a/p2p/net/swarm/addrs.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package swarm
-
-import (
-	ma "github.com/multiformats/go-multiaddr"
-	manet "github.com/multiformats/go-multiaddr/net"
-)
-
-// http://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
-var lowTimeoutFilters = ma.NewFilters()
-
-func init() {
-	for _, p := range []string{
-		"/ip4/10.0.0.0/ipcidr/8",
-		"/ip4/100.64.0.0/ipcidr/10",
-		"/ip4/169.254.0.0/ipcidr/16",
-		"/ip4/172.16.0.0/ipcidr/12",
-		"/ip4/192.0.0.0/ipcidr/24",
-		"/ip4/192.0.0.0/ipcidr/29",
-		"/ip4/192.0.0.8/ipcidr/32",
-		"/ip4/192.0.0.170/ipcidr/32",
-		"/ip4/192.0.0.171/ipcidr/32",
-		"/ip4/192.0.2.0/ipcidr/24",
-		"/ip4/192.168.0.0/ipcidr/16",
-		"/ip4/198.18.0.0/ipcidr/15",
-		"/ip4/198.51.100.0/ipcidr/24",
-		"/ip4/203.0.113.0/ipcidr/24",
-		"/ip4/240.0.0.0/ipcidr/4",
-	} {
-		f, err := ma.NewMultiaddr(p)
-		if err != nil {
-			panic("error in lowTimeoutFilters init: " + err.Error())
-		}
-		ipnet, err := manet.MultiaddrToIPNet(f)
-		if err != nil {
-			panic("error in lowTimeoutFilters init: " + err.Error())
-		}
-		lowTimeoutFilters.AddFilter(*ipnet, ma.ActionDeny)
-	}
-}
diff --git a/p2p/net/swarm/swarm_dial.go b/p2p/net/swarm/swarm_dial.go
index 761ab96c93..3bf8009135 100644
--- a/p2p/net/swarm/swarm_dial.go
+++ b/p2p/net/swarm/swarm_dial.go
@@ -507,7 +507,7 @@ func (s *Swarm) filterKnownUndialables(p peer.ID, addrs []ma.Multiaddr) (goodAdd
 // limiting that occur without using extra goroutines per addr
 func (s *Swarm) limitedDial(ctx context.Context, p peer.ID, a ma.Multiaddr, resp chan dialResult) {
 	timeout := s.dialTimeout
-	if lowTimeoutFilters.AddrBlocked(a) && s.dialTimeoutLocal < s.dialTimeout {
+	if manet.IsPrivateAddr(a) && s.dialTimeoutLocal < s.dialTimeout {
 		timeout = s.dialTimeoutLocal
 	}
 	s.limiter.AddDialJob(&dialJob{