diff --git a/p2p/netaddress.go b/p2p/netaddress.go
index 4bc37ddfe..ec9a0ea7c 100644
--- a/p2p/netaddress.go
+++ b/p2p/netaddress.go
@@ -34,11 +34,6 @@ type NetAddress struct {
 
 // IDAddressString returns id@hostPort.
 func IDAddressString(id ID, hostPort string) string {
-	// we respect the protocol definition in here.
-	if p := strings.Index(hostPort, "://"); p > -1 {
-		return fmt.Sprintf("%s://%s@%s", hostPort[:p], id, hostPort[p+3:])
-	}
-
 	return fmt.Sprintf("%s@%s", id, hostPort)
 }
 
diff --git a/p2p/pex/pex_reactor.go b/p2p/pex/pex_reactor.go
index 52069ddef..c919794ab 100644
--- a/p2p/pex/pex_reactor.go
+++ b/p2p/pex/pex_reactor.go
@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/pkg/errors"
+
 	amino "github.com/tendermint/go-amino"
 	cmn "github.com/tendermint/tendermint/libs/common"
 	"github.com/tendermint/tendermint/p2p"
@@ -394,9 +395,6 @@ func (r *PEXReactor) ensurePeers() {
 		if r.Switch.IsDialingOrExistingAddress(try) {
 			continue
 		}
-		if r.Switch.NodeInfo().ID == try.ID {
-			continue // we don't want to dial ourselves, usually.
-		}
 		// TODO: consider moving some checks from toDial into here
 		// so we don't even consider dialing peers that we want to wait
 		// before dialling again, or have dialed too many times already
diff --git a/p2p/switch.go b/p2p/switch.go
index e1c8a9007..64e248fc3 100644
--- a/p2p/switch.go
+++ b/p2p/switch.go
@@ -325,11 +325,6 @@ func (sw *Switch) reconnectToPeer(addr *NetAddress) {
 			return
 		}
 
-		if sw.IsDialingOrExistingAddress(addr) {
-			sw.Logger.Info("Peer connection has been established or dialed while we waiting next try", "addr", addr)
-			return
-		}
-
 		err := sw.DialPeerWithAddress(addr, true)
 		if err == nil {
 			return // success
@@ -417,16 +412,12 @@ func (sw *Switch) DialPeersAsync(addrBook AddrBook, peers []string, persistent b
 			if addr.Same(ourAddr) {
 				sw.Logger.Debug("Ignore attempt to connect to ourselves", "addr", addr, "ourAddr", ourAddr)
 				return
-			}
-
-			sw.randomSleep(0)
-
-			// check the destination address in established/dialed peers after sleep.
-			if sw.IsDialingOrExistingAddress(addr) {
+			} else if sw.IsDialingOrExistingAddress(addr) {
 				sw.Logger.Debug("Ignore attempt to connect to an existing peer", "addr", addr)
 				return
 			}
 
+			sw.randomSleep(0)
 			err := sw.DialPeerWithAddress(addr, persistent)
 			if err != nil {
 				switch err.(type) {