diff --git a/addr.go b/addr.go
index 1853999..a7b0f03 100644
--- a/addr.go
+++ b/addr.go
@@ -136,25 +136,6 @@ func AddrInList(addr ma.Multiaddr, list []ma.Multiaddr) bool {
 	return false
 }
 
-// AddrIsShareableOnWAN returns whether the given address should be shareable on the
-// wide area network (wide internet).
-func AddrIsShareableOnWAN(addr ma.Multiaddr) bool {
-	s := ma.Split(addr)
-	if len(s) < 1 {
-		return false
-	}
-	a := s[0]
-	if manet.IsIPLoopback(a) || manet.IsIP6LinkLocal(a) || manet.IsIPUnspecified(a) {
-		return false
-	}
-	return manet.IsThinWaist(a)
-}
-
-// WANShareableAddrs filters addresses based on whether they're shareable on WAN
-func WANShareableAddrs(inp []ma.Multiaddr) []ma.Multiaddr {
-	return FilterAddrs(inp, AddrIsShareableOnWAN)
-}
-
 // Subtract filters out all addrs in b from a
 func Subtract(a, b []ma.Multiaddr) []ma.Multiaddr {
 	return FilterAddrs(a, func(m ma.Multiaddr) bool {
diff --git a/addr_test.go b/addr_test.go
index 86e97aa..ed3cc53 100644
--- a/addr_test.go
+++ b/addr_test.go
@@ -137,45 +137,6 @@ func TestResolvingAddrs(t *testing.T) {
 
 }
 
-func TestWANShareable(t *testing.T) {
-
-	wanok := []ma.Multiaddr{
-		newMultiaddr(t, "/ip4/1.2.3.4/tcp/1234"),
-		newMultiaddr(t, "/ip6/abcd::1/tcp/1234"),
-	}
-
-	wanbad := []ma.Multiaddr{
-		newMultiaddr(t, "/ip4/127.0.0.1/tcp/1234"),
-		newMultiaddr(t, "/ip4/0.0.0.0/tcp/1234"),
-		newMultiaddr(t, "/ip6/::1/tcp/1234"),
-		newMultiaddr(t, "/ip6/::/tcp/1234"),
-		newMultiaddr(t, "/ip6/fe80::1/tcp/1234"),
-		newMultiaddr(t, "/ip6/fe80::/tcp/1234"),
-	}
-
-	for _, a := range wanok {
-		if !AddrIsShareableOnWAN(a) {
-			t.Error("should be true", a)
-		}
-	}
-
-	for _, a := range wanbad {
-		if AddrIsShareableOnWAN(a) {
-			t.Error("should be false", a)
-		}
-	}
-
-	wanok2 := WANShareableAddrs(wanok)
-	if len(wanok) != len(wanok2) {
-		t.Error("should be the same")
-	}
-
-	wanbad2 := WANShareableAddrs(wanbad)
-	if len(wanbad2) != 0 {
-		t.Error("should be zero")
-	}
-}
-
 func TestSubtract(t *testing.T) {
 
 	a := []ma.Multiaddr{