diff --git a/p2p/host.go b/p2p/host.go
index 18dce6a46..4a4240c56 100644
--- a/p2p/host.go
+++ b/p2p/host.go
@@ -11,6 +11,13 @@ import (
 	"sync"
 	"time"
 
+	"github.com/harmony-one/bls/ffi/go/bls"
+	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
+	"github.com/harmony-one/harmony/internal/utils"
+	"github.com/harmony-one/harmony/internal/utils/blockedpeers"
+	"github.com/harmony-one/harmony/p2p/discovery"
+	"github.com/harmony-one/harmony/p2p/security"
+	sttypes "github.com/harmony-one/harmony/p2p/stream/types"
 	"github.com/libp2p/go-libp2p"
 	dht "github.com/libp2p/go-libp2p-kad-dht"
 	libp2p_pubsub "github.com/libp2p/go-libp2p-pubsub"
@@ -247,7 +254,7 @@ func NewHost(cfg HostConfig) (Host, error) {
 	subLogger := utils.Logger().With().Str("hostID", p2pHost.ID().Pretty()).Logger()
 
 	banned := blockedpeers.NewManager(1024)
-	security := security.NewManager(cfg.MaxConnPerIP, int(cfg.MaxPeers, banned))
+	security := security.NewManager(cfg.MaxConnPerIP, int(cfg.MaxPeers), banned)
 	// has to save the private key for host
 	h := &HostV2{
 		h:             p2pHost,
diff --git a/p2p/security/security.go b/p2p/security/security.go
index db70c76d4..d363a9647 100644
--- a/p2p/security/security.go
+++ b/p2p/security/security.go
@@ -59,14 +59,14 @@ func (peerMap *peerMap) Range(f func(key string, value []string) bool) {
 
 type Manager struct {
 	maxConnPerIP int
-	maxPeers     int64
+	maxPeers     int
 
 	mutex  sync.Mutex
-	peers  peerMap // All the connected nodes, key is the Peer's IP, value is the peer's ID array
+	peers  *peerMap // All the connected nodes, key is the Peer's IP, value is the peer's ID array
 	banned *blockedpeers.Manager
 }
 
-func NewManager(maxConnPerIP int, maxPeers int64, banned *blockedpeers.Manager) *Manager {
+func NewManager(maxConnPerIP int, maxPeers int, banned *blockedpeers.Manager) *Manager {
 	if maxConnPerIP < 0 {
 		panic("maximum connections per IP must not be negative")
 	}