diff --git a/pkg/network/muxer/listener.go b/pkg/network/muxer/listener.go
deleted file mode 100644
index 9ba669951..000000000
--- a/pkg/network/muxer/listener.go
+++ /dev/null
@@ -1,51 +0,0 @@
-package muxer
-
-import (
-	"net"
-
-	manet "github.com/multiformats/go-multiaddr-net"
-	"github.com/pkg/errors"
-)
-
-type netListenerAdapter struct {
-	manet.Listener
-}
-
-var errNothingAccept = errors.New("nothing to accept")
-
-// Accept waits for and returns the next connection to the listener.
-func (l *netListenerAdapter) Accept() (net.Conn, error) {
-	if l.Listener == nil {
-		return nil, errNothingAccept
-	}
-
-	return l.Listener.Accept()
-}
-
-// Close closes the listener.
-// Any blocked Accept operations will be unblocked and return errors.
-func (l *netListenerAdapter) Close() error {
-	if l.Listener == nil {
-		return nil
-	}
-
-	return l.Listener.Close()
-}
-
-// Addr returns the net.Listener's network address.
-func (l *netListenerAdapter) Addr() net.Addr {
-	if l.Listener == nil {
-		return (*net.TCPAddr)(nil)
-	}
-
-	return l.Listener.Addr()
-}
-
-// NetListener turns this Listener into a net.Listener.
-//
-// * Connections returned from Accept implement multiaddr-net Conn.
-// * Calling WrapNetListener on the net.Listener returned by this function will
-//   return the original (underlying) multiaddr-net Listener.
-func NetListener(l manet.Listener) net.Listener {
-	return &netListenerAdapter{Listener: l}
-}
diff --git a/pkg/network/muxer/muxer.go b/pkg/network/muxer/muxer.go
deleted file mode 100644
index 3f8640382..000000000
--- a/pkg/network/muxer/muxer.go
+++ /dev/null
@@ -1,239 +0,0 @@
-package muxer
-
-import (
-	"context"
-	"net"
-	"strings"
-	"sync/atomic"
-	"time"
-
-	"github.com/multiformats/go-multiaddr"
-	"github.com/nspcc-dev/neofs-node/pkg/network"
-	"github.com/soheilhy/cmux"
-	"github.com/valyala/fasthttp"
-	"go.uber.org/zap"
-	"google.golang.org/grpc"
-)
-
-type (
-	// StoreParams groups the parameters of network connections muxer constructor.
-	Params struct {
-		Logger      *zap.Logger
-		API         *fasthttp.Server
-		Address     multiaddr.Multiaddr
-		ShutdownTTL time.Duration
-		P2P         *grpc.Server
-	}
-
-	// Mux is an interface of network connections muxer.
-	Mux interface {
-		Start(ctx context.Context)
-		Stop()
-	}
-
-	muxer struct {
-		maddr multiaddr.Multiaddr
-		run   *int32
-		lis   net.Listener
-		log   *zap.Logger
-		ttl   time.Duration
-
-		p2p *grpc.Server
-		api *fasthttp.Server
-
-		done chan struct{}
-	}
-)
-
-const (
-	// we close listener, that's why we ignore this errors
-	errClosedConnection = "use of closed network connection"
-	errMuxListenerClose = "mux: listener closed"
-	errHTTPServerClosed = "http: Server closed"
-)
-
-var (
-	ignoredErrors = []string{
-		errClosedConnection,
-		errMuxListenerClose,
-		errHTTPServerClosed,
-	}
-)
-
-// New constructs network connections muxer and returns Mux interface.
-func New(p Params) Mux {
-	return &muxer{
-		maddr: p.Address,
-		ttl:   p.ShutdownTTL,
-		run:   new(int32),
-		api:   p.API,
-		p2p:   p.P2P,
-		log:   p.Logger,
-
-		done: make(chan struct{}),
-	}
-}
-
-func needCatch(err error) bool {
-	if err == nil || containsErr(err) {
-		return false
-	}
-
-	return true
-}
-
-func containsErr(err error) bool {
-	for _, msg := range ignoredErrors {
-		if strings.Contains(err.Error(), msg) {
-			return true
-		}
-	}
-
-	return false
-}
-
-func (m *muxer) Start(ctx context.Context) {
-	var err error
-
-	// if already started - ignore
-	if !atomic.CompareAndSwapInt32(m.run, 0, 1) {
-		m.log.Warn("already started")
-		return
-	} else if m.lis != nil {
-		m.log.Info("try close old listener")
-		if err = m.lis.Close(); err != nil {
-			m.log.Fatal("could not close old listener",
-				zap.Error(err))
-		}
-	}
-
-	if m.lis, err = network.Listen(m.maddr); err != nil {
-		m.log.Fatal("could not close old listener",
-			zap.Error(err))
-	}
-
-	mux := cmux.New(m.lis)
-	mux.HandleError(func(e error) bool {
-		if needCatch(e) {
-			m.log.Error("error-handler: something went wrong",
-				zap.Error(e))
-		}
-		return true
-	})
-
-	// trpcL := mux.Match(cmux.Any()) // Any means anything that is not yet matched.
-	hLis := mux.Match(cmux.HTTP1Fast())
-	gLis := mux.Match(cmux.HTTP2())
-	pLis := mux.Match(cmux.Any())
-
-	m.log.Debug("delay context worker")
-
-	go func() {
-		<-ctx.Done()
-		m.Stop()
-	}()
-
-	m.log.Debug("delay tcp")
-
-	go func() {
-		m.log.Debug("tcp: serve")
-	loop:
-		for {
-			select {
-			case <-ctx.Done():
-				break loop
-			default:
-			}
-
-			con, err := pLis.Accept()
-			if err != nil {
-				break loop
-			}
-
-			_ = con.Close()
-		}
-
-		m.log.Debug("tcp: stopped")
-	}()
-
-	m.log.Debug("delay p2p")
-
-	go func() {
-		if m.p2p == nil {
-			m.log.Info("p2p: service is empty")
-			return
-		}
-
-		m.log.Debug("p2p: serve")
-
-		if err := m.p2p.Serve(gLis); needCatch(err) {
-			m.log.Error("p2p: something went wrong",
-				zap.Error(err))
-		}
-
-		m.log.Debug("p2p: stopped")
-	}()
-
-	m.log.Debug("delay api")
-
-	go func() {
-		if m.api == nil {
-			m.log.Info("api: service is empty")
-			return
-		}
-
-		m.log.Debug("api: serve")
-
-		if err := m.api.Serve(hLis); needCatch(err) {
-			m.log.Error("rpc: something went wrong",
-				zap.Error(err))
-		}
-
-		m.log.Debug("rpc: stopped")
-	}()
-
-	m.log.Debug("delay serve")
-
-	go func() {
-		defer func() { close(m.done) }()
-
-		m.log.Debug("mux: serve")
-
-		if err := mux.Serve(); needCatch(err) {
-			m.log.Fatal("mux: something went wrong",
-				zap.Error(err))
-		}
-
-		m.log.Debug("mux: stopped")
-	}()
-}
-
-func (m *muxer) Stop() {
-	if !atomic.CompareAndSwapInt32(m.run, 1, 0) {
-		m.log.Warn("already stopped")
-		return
-	}
-
-	if err := m.lis.Close(); err != nil {
-		m.log.Error("could not close connection",
-			zap.Error(err))
-	}
-
-	m.log.Debug("lis: close ok")
-
-	<-m.done // muxer stopped
-
-	if m.api != nil {
-		if err := m.api.Shutdown(); needCatch(err) {
-			m.log.Error("api: could not shutdown",
-				zap.Error(err))
-		}
-
-		m.log.Debug("api: shutdown ok")
-	}
-
-	if m.p2p != nil {
-		m.p2p.GracefulStop()
-		m.log.Debug("p2p: shutdown ok")
-	}
-}
diff --git a/pkg/network/muxer/muxer_test.go b/pkg/network/muxer/muxer_test.go
deleted file mode 100644
index 79a7e1f32..000000000
--- a/pkg/network/muxer/muxer_test.go
+++ /dev/null
@@ -1,396 +0,0 @@
-package muxer
-
-import (
-	"context"
-	"net"
-	"net/http"
-	"os"
-	"reflect"
-	"strings"
-	"sync"
-	"testing"
-	"time"
-
-	"bou.ke/monkey"
-	"github.com/multiformats/go-multiaddr"
-	manet "github.com/multiformats/go-multiaddr-net"
-	"github.com/pkg/errors"
-	"github.com/soheilhy/cmux"
-	"github.com/spf13/viper"
-	"github.com/stretchr/testify/require"
-	"github.com/valyala/fasthttp"
-	"go.uber.org/atomic"
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-	"google.golang.org/grpc"
-)
-
-type (
-	errListener struct {
-		net.TCPListener
-	}
-
-	syncListener struct {
-		sync.Mutex
-		net.Listener
-	}
-
-	errMuxer struct {
-		handleError func(error) bool
-	}
-
-	testWriter struct{}
-
-	// service is used to implement GreaterServer.
-	service struct{}
-)
-
-const MIMEApplicationJSON = "application/json"
-
-// Hello is simple handler
-func (*service) Hello(ctx context.Context, req *HelloRequest) (*HelloResponse, error) {
-	return &HelloResponse{
-		Message: "Hello " + req.Name,
-	}, nil
-}
-
-func (testWriter) Sync() error                       { return nil }
-func (testWriter) Write(p []byte) (n int, err error) { return len(p), nil }
-
-func (errMuxer) Match(...cmux.Matcher) net.Listener {
-	return &errListener{}
-}
-
-func (errMuxer) MatchWithWriters(...cmux.MatchWriter) net.Listener {
-	return &errListener{}
-}
-
-func (errMuxer) Serve() error {
-	return errors.New("cmux.Serve error")
-}
-
-func (e *errMuxer) HandleError(h cmux.ErrorHandler) {
-	e.handleError = h
-}
-
-func (errMuxer) SetReadTimeout(time.Duration) {
-	panic("implement me")
-}
-
-func (l *syncListener) Close() error {
-	l.Lock()
-	err := l.Listener.Close()
-	l.Unlock()
-	return err
-}
-
-func (errListener) Close() error { return errors.New("close error") }
-
-func testMultiAddr(is *require.Assertions) multiaddr.Multiaddr {
-	mAddr, err := multiaddr.NewMultiaddr("/ip4/0.0.0.0/tcp/0")
-	is.NoError(err)
-	return mAddr
-}
-
-func testLogger() *zap.Logger {
-	encoderCfg := zapcore.EncoderConfig{
-		MessageKey:     "msg",
-		LevelKey:       "level",
-		NameKey:        "logger",
-		EncodeLevel:    zapcore.LowercaseLevelEncoder,
-		EncodeTime:     zapcore.ISO8601TimeEncoder,
-		EncodeDuration: zapcore.StringDurationEncoder,
-	}
-	core := zapcore.NewCore(zapcore.NewJSONEncoder(encoderCfg), testWriter{}, zap.DPanicLevel)
-	return zap.New(core).WithOptions()
-}
-
-func testHTTPServer() *fasthttp.Server {
-	return &fasthttp.Server{Handler: func(ctx *fasthttp.RequestCtx) {}}
-}
-
-func TestSuite(t *testing.T) {
-	t.Run("it should run, stop and not panic", func(t *testing.T) {
-		var (
-			is  = require.New(t)
-			v   = viper.New()
-			g   = grpc.NewServer()
-			l   = testLogger()
-			a   = testMultiAddr(is)
-			s   = time.Second
-			err error
-		)
-
-		ctx, cancel := context.WithCancel(context.Background())
-		defer cancel()
-
-		v.SetDefault("api.address", "/ip4/0.0.0.0/tcp/0")
-		v.SetDefault("api.shutdown_timeout", time.Second)
-
-		m := New(Params{
-			Logger:      l,
-			Address:     a,
-			ShutdownTTL: s,
-			API:         testHTTPServer(),
-			P2P:         g,
-		})
-
-		is.NotPanics(func() {
-			m.Start(ctx)
-		})
-
-		res, err := http.Post("http://"+m.(*muxer).lis.Addr().String(), MIMEApplicationJSON, strings.NewReader(`{
-				"jsonrpc": "2.0",
-				"id": 1
-				"method": "get_version",
-				"params": [],
-			}`))
-		is.NoError(err)
-		defer res.Body.Close()
-
-		time.Sleep(100 * time.Millisecond)
-
-		is.NotPanics(m.Stop)
-	})
-
-	t.Run("it should work with gRPC", func(t *testing.T) {
-		var (
-			is  = require.New(t)
-			g   = grpc.NewServer()
-			l   = testLogger()
-			s   = time.Second
-			err error
-		)
-
-		ctx, cancel := context.WithCancel(context.Background())
-		defer cancel()
-
-		addr, err := multiaddr.NewMultiaddr("/ip4/127.0.0.1/tcp/63090")
-		is.NoError(err)
-
-		RegisterGreeterServer(g, &service{})
-
-		m := New(Params{
-			Logger:      l,
-			Address:     addr,
-			ShutdownTTL: s,
-			P2P:         g,
-		})
-
-		is.NotPanics(func() {
-			m.Start(ctx)
-		})
-
-		a, err := manet.ToNetAddr(addr)
-		require.NoError(t, err)
-
-		con, err := grpc.DialContext(ctx, a.String(), grpc.WithInsecure())
-		require.NoError(t, err)
-
-		res, err := NewGreeterClient(con).Hello(ctx, &HelloRequest{Name: "test"})
-		is.NoError(err)
-		is.Contains(res.Message, "test")
-
-		time.Sleep(100 * time.Millisecond)
-
-		is.NotPanics(m.Stop)
-	})
-
-	t.Run("it should not start if already started", func(t *testing.T) {
-		var (
-			is = require.New(t)
-			g  = grpc.NewServer()
-			l  = testLogger()
-			a  = testMultiAddr(is)
-			s  = time.Second
-		)
-
-		ctx, cancel := context.WithCancel(context.Background())
-		defer cancel()
-
-		m := New(Params{
-			Logger:      l,
-			Address:     a,
-			ShutdownTTL: s,
-			API:         testHTTPServer(),
-			P2P:         g,
-		})
-		is.NotNil(m)
-
-		mux, ok := m.(*muxer)
-		is.True(ok)
-		is.NotNil(mux)
-
-		*mux.run = 1
-
-		is.NotPanics(func() {
-			mux.Start(ctx)
-		})
-
-		*mux.run = 0
-
-		is.NotPanics(mux.Stop)
-	})
-
-	t.Run("it should fail on close listener", func(t *testing.T) {
-		var (
-			is = require.New(t)
-			g  = grpc.NewServer()
-			l  = testLogger()
-			a  = testMultiAddr(is)
-			s  = time.Second
-		)
-
-		ctx, cancel := context.WithCancel(context.Background())
-		defer cancel()
-
-		m := New(Params{
-			Logger:      l,
-			Address:     a,
-			ShutdownTTL: s,
-			API:         testHTTPServer(),
-			P2P:         g,
-		})
-		is.NotNil(m)
-
-		mux, ok := m.(*muxer)
-		is.True(ok)
-		is.NotNil(mux)
-
-		mux.lis = &errListener{}
-
-		exit := atomic.NewInt32(0)
-
-		monkey.Patch(os.Exit, func(v int) { exit.Store(int32(v)) })
-
-		is.NotPanics(func() {
-			mux.Start(ctx)
-		})
-		is.Equal(int32(1), exit.Load())
-	})
-
-	t.Run("it should fail on create/close Listener without handlers", func(t *testing.T) {
-		var (
-			is  = require.New(t)
-			l   = testLogger()
-			err error
-		)
-
-		ctx, cancel := context.WithCancel(context.Background())
-		defer cancel()
-
-		mux := new(muxer)
-		mux.log = l
-		mux.run = new(int32)
-		mux.done = make(chan struct{})
-		mux.maddr, err = multiaddr.NewMultiaddr("/ip4/1.1.1.1/tcp/2")
-		is.NoError(err)
-
-		mux.lis, err = net.ListenTCP("tcp", nil)
-		is.NoError(err)
-
-		exit := atomic.NewInt32(0)
-		monkey.Patch(os.Exit, func(v int) {
-			exit.Store(int32(v))
-		})
-
-		m := &errMuxer{handleError: func(e error) bool { return true }}
-		monkey.Patch(cmux.New, func(net.Listener) cmux.CMux {
-			// prevent panic:
-			mux.lis, err = net.ListenTCP("tcp", nil)
-			return m
-		})
-
-		mux.Start(ctx)
-		// c.So(mux.Start, ShouldNotPanic)
-
-		m.handleError(errors.New("test"))
-
-		is.Equal(int32(1), exit.Load())
-
-		mux.lis = &errListener{}
-		*mux.run = 1
-
-		is.NotPanics(mux.Stop)
-	})
-
-	t.Run("it should fail on create/close Listener with handlers", func(t *testing.T) {
-		var (
-			is  = require.New(t)
-			g   = grpc.NewServer()
-			l   = testLogger()
-			err error
-		)
-
-		ctx, cancel := context.WithCancel(context.Background())
-		defer cancel()
-
-		mux := new(muxer)
-		mux.api = testHTTPServer()
-		mux.p2p = g
-		mux.log = l
-		mux.run = new(int32)
-		mux.done = make(chan struct{})
-		mux.maddr, err = multiaddr.NewMultiaddr("/ip4/1.1.1.1/tcp/2")
-		is.NoError(err)
-
-		mu := new(sync.Mutex)
-
-		exit := atomic.NewInt32(0)
-		monkey.Patch(os.Exit, func(v int) {
-			exit.Store(int32(v))
-
-			mu.Lock()
-			if l, ok := mux.lis.(*syncListener); ok {
-				l.Lock()
-				l.Listener, _ = net.ListenTCP("tcp", nil)
-				l.Unlock()
-			}
-			mu.Unlock()
-		})
-
-		m := &errMuxer{handleError: func(e error) bool { return true }}
-		monkey.Patch(cmux.New, func(net.Listener) cmux.CMux {
-			// prevent panic:
-			return m
-		})
-
-		is.NotPanics(func() {
-			mux.Start(ctx)
-		})
-
-		m.handleError(errors.New("test"))
-
-		is.Equal(int32(1), exit.Load())
-
-		mu.Lock()
-		mux.lis = &syncListener{Listener: &errListener{}}
-		mu.Unlock()
-		*mux.run = 1
-
-		monkey.PatchInstanceMethod(reflect.TypeOf(&http.Server{}), "Shutdown", func(*http.Server, context.Context) error {
-			return errors.New("http.Shutdown error")
-		})
-
-		is.NotPanics(mux.Stop)
-	})
-
-	t.Run("should not panic when work with nil listener", func(t *testing.T) {
-		var (
-			is  = require.New(t)
-			err error
-		)
-
-		lis := NetListener(nil)
-		is.NotPanics(func() {
-			is.NoError(lis.Close())
-		})
-		is.NotPanics(func() {
-			lis.Addr()
-		})
-		is.NotPanics(func() {
-			_, err = lis.Accept()
-			is.EqualError(err, errNothingAccept.Error())
-		})
-	})
-}
diff --git a/pkg/network/muxer/muxer_test.pb.go b/pkg/network/muxer/muxer_test.pb.go
deleted file mode 100644
index a7a905a37..000000000
Binary files a/pkg/network/muxer/muxer_test.pb.go and /dev/null differ
diff --git a/pkg/network/muxer/muxer_test.proto b/pkg/network/muxer/muxer_test.proto
deleted file mode 100644
index 3079865c8..000000000
--- a/pkg/network/muxer/muxer_test.proto
+++ /dev/null
@@ -1,18 +0,0 @@
-syntax = "proto3";
-option go_package = "github.com/nspcc-dev/neofs-node/pkg/network/muxer";
-
-package muxer;
-
-// The Greater service definition.
-service Greeter {
-    rpc Hello(HelloRequest) returns (HelloResponse);
-}
-
-// Request message example
-message HelloRequest {
-    string name = 1;
-}
-
-message HelloResponse {
-    string message = 1;
-}