diff --git a/cmd/neofs-cli/modules/util.go b/cmd/neofs-cli/modules/util.go
index 01d38bcd30..de32c0aa60 100644
--- a/cmd/neofs-cli/modules/util.go
+++ b/cmd/neofs-cli/modules/util.go
@@ -220,9 +220,6 @@ func completeBearerToken(btok *token.BearerToken) error {
 		// set eACL table version, because it usually omitted
 		table := v2.GetBody().GetEACL()
 		table.SetVersion(pkg.SDKVersion().ToV2())
-
-		// back to SDK token
-		btok = token.NewBearerTokenFromV2(v2)
 	} else {
 		return errors.New("unsupported bearer token version")
 	}
diff --git a/cmd/neofs-node/config.go b/cmd/neofs-node/config.go
index f4181ceb36..6b01b3891b 100644
--- a/cmd/neofs-node/config.go
+++ b/cmd/neofs-node/config.go
@@ -20,8 +20,6 @@ import (
 	"github.com/nspcc-dev/neofs-node/pkg/core/container"
 	netmapCore "github.com/nspcc-dev/neofs-node/pkg/core/netmap"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
-	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/bucket"
-	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/bucket/fsbucket"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
 	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
@@ -562,26 +560,6 @@ func configPath(sections ...string) string {
 	return strings.Join(sections, ".")
 }
 
-func initBucket(prefix string, c *cfg) (bucket bucket.Bucket, err error) {
-	const inmemory = "inmemory"
-
-	switch c.viper.GetString(prefix + ".type") {
-	case inmemory:
-		bucket = newBucket()
-		c.log.Info("using in-memory bucket", zap.String("storage", prefix))
-	case fsbucket.Name:
-		bucket, err = fsbucket.NewBucket(prefix, c.viper)
-		if err != nil {
-			return nil, errors.Wrap(err, "can't create fs bucket")
-		}
-		c.log.Info("using filesystem bucket", zap.String("storage", prefix))
-	default:
-		return nil, errors.New("unknown storage type")
-	}
-
-	return bucket, nil
-}
-
 func initObjectPool(cfg *viper.Viper) (pool cfgObjectRoutines) {
 	var err error
 
diff --git a/cmd/neofs-node/grpc.go b/cmd/neofs-node/grpc.go
index d3f5ea61bc..f757871bef 100644
--- a/cmd/neofs-node/grpc.go
+++ b/cmd/neofs-node/grpc.go
@@ -20,8 +20,9 @@ func initGRPC(c *cfg) {
 }
 
 func serveGRPC(c *cfg) {
+	c.wg.Add(1)
+
 	go func() {
-		c.wg.Add(1)
 		defer func() {
 			c.wg.Done()
 		}()
diff --git a/cmd/neofs-node/object.go b/cmd/neofs-node/object.go
index 1c9ef9ecda..223da2e112 100644
--- a/cmd/neofs-node/object.go
+++ b/cmd/neofs-node/object.go
@@ -2,17 +2,13 @@ package main
 
 import (
 	"context"
-	"errors"
-	"sync"
 
-	"github.com/mr-tron/base58"
 	"github.com/nspcc-dev/neofs-api-go/pkg/client"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
 	"github.com/nspcc-dev/neofs-api-go/v2/object"
 	objectGRPC "github.com/nspcc-dev/neofs-api-go/v2/object/grpc"
 	objectCore "github.com/nspcc-dev/neofs-node/pkg/core/object"
-	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/bucket"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/event"
 	"github.com/nspcc-dev/neofs-node/pkg/network/cache"
@@ -48,12 +44,6 @@ type objectSvc struct {
 	delete *deletesvcV2.Service
 }
 
-type inMemBucket struct {
-	bucket.Bucket
-	*sync.RWMutex
-	items map[string][]byte
-}
-
 func (c *cfg) MaxObjectSize() uint64 {
 	sz, err := c.cfgNetmap.wrapper.MaxObjectSize()
 	if err != nil {
@@ -65,73 +55,6 @@ func (c *cfg) MaxObjectSize() uint64 {
 	return sz
 }
 
-func newBucket() bucket.Bucket {
-	return &inMemBucket{
-		RWMutex: new(sync.RWMutex),
-		items:   map[string][]byte{},
-	}
-}
-
-func (b *inMemBucket) Del(key []byte) error {
-	b.Lock()
-	delete(b.items, base58.Encode(key))
-	b.Unlock()
-
-	return nil
-}
-
-func (b *inMemBucket) Get(key []byte) ([]byte, error) {
-	b.RLock()
-	v, ok := b.items[base58.Encode(key)]
-	b.RUnlock()
-
-	if !ok {
-		return nil, errors.New("not found")
-	}
-
-	return v, nil
-}
-
-func (b *inMemBucket) Set(key, value []byte) error {
-	k := base58.Encode(key)
-
-	b.Lock()
-	b.items[k] = makeCopy(value)
-	b.Unlock()
-
-	return nil
-}
-
-func (b *inMemBucket) Iterate(handler bucket.FilterHandler) error {
-	if handler == nil {
-		return bucket.ErrNilFilterHandler
-	}
-
-	b.RLock()
-	for key, val := range b.items {
-		k, err := base58.Decode(key)
-		if err != nil {
-			panic(err)
-		}
-
-		v := makeCopy(val)
-
-		if !handler(k, v) {
-			return bucket.ErrIteratingAborted
-		}
-	}
-	b.RUnlock()
-
-	return nil
-}
-
-func makeCopy(val []byte) []byte {
-	tmp := make([]byte, len(val))
-	copy(tmp, val)
-
-	return tmp
-}
-
 func (s *objectSvc) Put(ctx context.Context) (object.PutObjectStreamer, error) {
 	return s.put.Put(ctx)
 }
diff --git a/misc/build.go b/misc/build.go
index 243977986b..234d2afb51 100644
--- a/misc/build.go
+++ b/misc/build.go
@@ -25,4 +25,3 @@ var (
 	// Debug is an application debug mode flag.
 	Debug = "false"
 )
-
diff --git a/pkg/core/netmap/storage.go b/pkg/core/netmap/storage.go
index a03f7dcdea..e06af189b1 100644
--- a/pkg/core/netmap/storage.go
+++ b/pkg/core/netmap/storage.go
@@ -1,8 +1,6 @@
 package netmap
 
 import (
-	"errors"
-
 	"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
 )
 
@@ -21,9 +19,6 @@ type Source interface {
 	GetNetMap(diff uint64) (*netmap.Netmap, error)
 }
 
-// ErrNotFound is the error returned when network map was not found in storage.
-var ErrNotFound = errors.New("network map not found")
-
 // GetLatestNetworkMap requests and returns latest network map from storage.
 func GetLatestNetworkMap(src Source) (*netmap.Netmap, error) {
 	return src.GetNetMap(0)
diff --git a/pkg/innerring/innerring.go b/pkg/innerring/innerring.go
index 8ad75e4888..16bd12858c 100644
--- a/pkg/innerring/innerring.go
+++ b/pkg/innerring/innerring.go
@@ -60,14 +60,12 @@ type (
 	}
 
 	contracts struct {
-		neofs      util.Uint160 // in mainnet
-		netmap     util.Uint160 // in morph
-		balance    util.Uint160 // in morph
-		container  util.Uint160 // in morph
-		audit      util.Uint160 // in morph
-		reputation util.Uint160 // in morph
-		neofsid    util.Uint160 // in morph
-		gas        util.Uint160 // native contract in both chains
+		neofs     util.Uint160 // in mainnet
+		netmap    util.Uint160 // in morph
+		balance   util.Uint160 // in morph
+		container util.Uint160 // in morph
+		audit     util.Uint160 // in morph
+		gas       util.Uint160 // native contract in both chains
 
 		alphabet [alphabetContractsN]util.Uint160 // in morph
 	}
diff --git a/pkg/innerring/invoke/balance.go b/pkg/innerring/invoke/balance.go
index 4e708f7de9..fd32f133d0 100644
--- a/pkg/innerring/invoke/balance.go
+++ b/pkg/innerring/invoke/balance.go
@@ -6,14 +6,6 @@ import (
 )
 
 type (
-	// TransferXParams for TransferBalanceX invocation.
-	TransferXParams struct {
-		Sender   []byte
-		Receiver []byte
-		Amount   int64 // in Fixed16
-		Comment  []byte
-	}
-
 	// LockParams for LockAsset invocation.
 	LockParams struct {
 		ID          []byte
@@ -39,20 +31,6 @@ const (
 	precisionMethod = "decimals"
 )
 
-// TransferBalanceX invokes transferX method.
-func TransferBalanceX(cli *client.Client, con util.Uint160, p *TransferXParams) error {
-	if cli == nil {
-		return client.ErrNilClient
-	}
-
-	return cli.Invoke(con, extraFee, transferXMethod,
-		p.Sender,
-		p.Receiver,
-		p.Amount,
-		p.Comment,
-	)
-}
-
 // Mint assets in contract.
 func Mint(cli *client.Client, con util.Uint160, p *MintBurnParams) error {
 	if cli == nil {
diff --git a/pkg/innerring/invoke/container.go b/pkg/innerring/invoke/container.go
index 1d4aeb36fc..181d5118c4 100644
--- a/pkg/innerring/invoke/container.go
+++ b/pkg/innerring/invoke/container.go
@@ -4,7 +4,6 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
-	"github.com/pkg/errors"
 )
 
 type (
@@ -22,8 +21,6 @@ type (
 	}
 )
 
-var ErrParseTestInvoke = errors.New("can't parse NEO node response")
-
 const (
 	putContainerMethod    = "put"
 	deleteContainerMethod = "delete"
diff --git a/pkg/innerring/invoke/neofs.go b/pkg/innerring/invoke/neofs.go
index b33a040a42..74e639d056 100644
--- a/pkg/innerring/invoke/neofs.go
+++ b/pkg/innerring/invoke/neofs.go
@@ -39,27 +39,6 @@ const (
 	chequeMethod           = "cheque"
 )
 
-// IsInnerRing returns true if 'key' is presented in inner ring list.
-func IsInnerRing(cli *client.Client, con util.Uint160, key *ecdsa.PublicKey) (bool, error) {
-	if cli == nil {
-		return false, client.ErrNilClient
-	}
-
-	pubKey := crypto.MarshalPublicKey(key)
-
-	val, err := cli.TestInvoke(con, checkIsInnerRingMethod, pubKey)
-	if err != nil {
-		return false, err
-	}
-
-	isInnerRing, err := client.BoolFromStackItem(val[0])
-	if err != nil {
-		return false, err
-	}
-
-	return isInnerRing, nil
-}
-
 // CashOutCheque invokes Cheque method.
 func CashOutCheque(cli *client.Client, con util.Uint160, p *ChequeParams) error {
 	if cli == nil {
diff --git a/pkg/innerring/processors/audit/handlers.go b/pkg/innerring/processors/audit/handlers.go
index 53a5a1eaee..9ba7bdcd95 100644
--- a/pkg/innerring/processors/audit/handlers.go
+++ b/pkg/innerring/processors/audit/handlers.go
@@ -7,11 +7,14 @@ import (
 
 func (ap *Processor) handleNewAuditRound(ev event.Event) {
 	auditEvent := ev.(Start)
-	ap.log.Info("new round of audit", zap.Uint64("epoch", auditEvent.epoch))
+
+	epoch := auditEvent.Epoch()
+
+	ap.log.Info("new round of audit", zap.Uint64("epoch", epoch))
 
 	// send event to the worker pool
 
-	err := ap.pool.Submit(func() { ap.processStartAudit(auditEvent.epoch) })
+	err := ap.pool.Submit(func() { ap.processStartAudit(epoch) })
 	if err != nil {
 		ap.log.Warn("previous round of audit prepare hasn't finished yet")
 	}
diff --git a/pkg/local_object_storage/blobovnicza/blobovnicza.go b/pkg/local_object_storage/blobovnicza/blobovnicza.go
index 4f10a1fadf..b03359720f 100644
--- a/pkg/local_object_storage/blobovnicza/blobovnicza.go
+++ b/pkg/local_object_storage/blobovnicza/blobovnicza.go
@@ -101,10 +101,3 @@ func WithLogger(l *logger.Logger) Option {
 		c.log = l.With(zap.String("component", "Blobovnicza"))
 	}
 }
-
-// WithBoltDBOptions returns option to specify BoltDB options.
-func WithBoltDBOptions(opts *bbolt.Options) Option {
-	return func(c *cfg) {
-		c.boltOptions = opts
-	}
-}
diff --git a/pkg/local_object_storage/blobovnicza/blobovnicza_test.go b/pkg/local_object_storage/blobovnicza/blobovnicza_test.go
index 8521481098..c603479ce5 100644
--- a/pkg/local_object_storage/blobovnicza/blobovnicza_test.go
+++ b/pkg/local_object_storage/blobovnicza/blobovnicza_test.go
@@ -34,26 +34,6 @@ func testAddress() *objectSDK.Address {
 	return addr
 }
 
-func testObject(sz uint64) *object.Object {
-	raw := object.NewRaw()
-
-	addr := testAddress()
-	raw.SetID(addr.ObjectID())
-	raw.SetContainerID(addr.ContainerID())
-
-	raw.SetPayload(make([]byte, sz))
-
-	// fit the binary size to the required
-	data, _ := raw.Marshal()
-	if ln := uint64(len(data)); ln > sz {
-		raw.SetPayload(raw.Payload()[:sz-(ln-sz)])
-	}
-
-	raw.SetAttributes() // for require.Equal
-
-	return raw.Object()
-}
-
 func testPutGet(t *testing.T, blz *Blobovnicza, sz uint64, expPut, expGet error) *objectSDK.Address {
 	// create binary object
 	data := make([]byte, sz)
diff --git a/pkg/network/listen.go b/pkg/network/listen.go
deleted file mode 100644
index 0834ac5865..0000000000
--- a/pkg/network/listen.go
+++ /dev/null
@@ -1,18 +0,0 @@
-package network
-
-import (
-	"net"
-
-	"github.com/multiformats/go-multiaddr"
-	manet "github.com/multiformats/go-multiaddr-net"
-)
-
-// Listen announces on the local network address.
-func Listen(addr multiaddr.Multiaddr) (net.Listener, error) {
-	mLis, err := manet.Listen(addr)
-	if err != nil {
-		return nil, err
-	}
-
-	return manet.NetListener(mLis), nil
-}
diff --git a/pkg/services/audit/taskmanager/manager.go b/pkg/services/audit/taskmanager/manager.go
index 22d64f9f14..ffc8d3a761 100644
--- a/pkg/services/audit/taskmanager/manager.go
+++ b/pkg/services/audit/taskmanager/manager.go
@@ -27,8 +27,6 @@ type cfg struct {
 
 	ctxPrm auditor.ContextPrm
 
-	reporter audit.Reporter
-
 	workerPool util.WorkerPool
 
 	pdpPoolGenerator, porPoolGenerator func() (util.WorkerPool, error)
diff --git a/pkg/services/object/acl/acl.go b/pkg/services/object/acl/acl.go
index a1156710a5..795a8ac1c2 100644
--- a/pkg/services/object/acl/acl.go
+++ b/pkg/services/object/acl/acl.go
@@ -113,7 +113,6 @@ type accessErr struct {
 
 var (
 	ErrMalformedRequest = errors.New("malformed request")
-	ErrInternal         = errors.New("internal error")
 	ErrUnknownRole      = errors.New("can't classify request sender")
 	ErrUnknownContainer = errors.New("can't fetch container info")
 )
diff --git a/pkg/services/object/delete/exec.go b/pkg/services/object/delete/exec.go
index 3da6249e8d..fa4afc9a95 100644
--- a/pkg/services/object/delete/exec.go
+++ b/pkg/services/object/delete/exec.go
@@ -2,9 +2,7 @@ package deletesvc
 
 import (
 	"context"
-	"crypto/ecdsa"
 
-	"github.com/nspcc-dev/neofs-api-go/pkg/client"
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
 	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
@@ -59,10 +57,6 @@ func (exec execCtx) isLocal() bool {
 	return exec.prm.common.LocalOnly()
 }
 
-func (exec *execCtx) key() *ecdsa.PrivateKey {
-	return exec.prm.common.PrivateKey()
-}
-
 func (exec *execCtx) address() *objectSDK.Address {
 	return exec.prm.Address()
 }
@@ -75,10 +69,6 @@ func (exec *execCtx) commonParameters() *util.CommonPrm {
 	return exec.prm.common
 }
 
-func (exec execCtx) callOptions() []client.CallOption {
-	return exec.prm.common.RemoteCallOptions()
-}
-
 func (exec *execCtx) newAddress(id *objectSDK.ID) *objectSDK.Address {
 	a := objectSDK.NewAddress()
 	a.SetObjectID(id)
diff --git a/pkg/services/object/get/get_test.go b/pkg/services/object/get/get_test.go
index 6bb2d78a60..63bea462e7 100644
--- a/pkg/services/object/get/get_test.go
+++ b/pkg/services/object/get/get_test.go
@@ -106,19 +106,6 @@ func (c *testClient) getObject(exec *execCtx) (*objectSDK.Object, error) {
 	return cutToRange(v.obj.Object(), exec.ctxRange()).SDK(), nil
 }
 
-func (c *testClient) head(_ context.Context, p Prm) (*object.Object, error) {
-	v, ok := c.results[p.Address().String()]
-	if !ok {
-		return nil, object.ErrNotFound
-	}
-
-	if v.err != nil {
-		return nil, v.err
-	}
-
-	return v.obj.CutPayload().Object(), nil
-}
-
 func (c *testClient) addResult(addr *objectSDK.Address, obj *object.RawObject, err error) {
 	c.results[addr.String()] = struct {
 		obj *object.RawObject
diff --git a/pkg/services/object/get/util.go b/pkg/services/object/get/util.go
index 4947e47865..82a20ec1b5 100644
--- a/pkg/services/object/get/util.go
+++ b/pkg/services/object/get/util.go
@@ -104,9 +104,7 @@ func (c *clientWrapper) getObject(exec *execCtx) (*objectSDK.Object, error) {
 		return payloadOnlyObject(data), nil
 	} else {
 		return c.client.GetObject(exec.context(),
-			new(client.GetObjectParams).
-				WithAddress(exec.address()).
-				WithRawFlag(exec.isRaw()),
+			exec.remotePrm(),
 			exec.callOptions()...,
 		)
 	}
diff --git a/pkg/services/object/transport_splitter.go b/pkg/services/object/transport_splitter.go
index b3b9ad0bcc..1753abe0ca 100644
--- a/pkg/services/object/transport_splitter.go
+++ b/pkg/services/object/transport_splitter.go
@@ -6,11 +6,6 @@ import (
 
 	"github.com/nspcc-dev/neofs-api-go/v2/object"
 	"github.com/nspcc-dev/neofs-node/pkg/services/util"
-	"github.com/pkg/errors"
-)
-
-var (
-	errChunking = errors.New("can't split message to stream chunks")
 )
 
 type (
@@ -183,10 +178,3 @@ func (s *searchStreamMsgSizeCtrl) Send(resp *object.SearchResponse) error {
 
 	return nil
 }
-
-func min(a, b int) int {
-	if a > b {
-		return b
-	}
-	return a
-}
diff --git a/pkg/services/object/util/chain.go b/pkg/services/object/util/chain.go
index a54af59c7a..ffa3a0428f 100644
--- a/pkg/services/object/util/chain.go
+++ b/pkg/services/object/util/chain.go
@@ -9,24 +9,6 @@ import (
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
 )
 
-type RangeTraverser struct {
-	chain *rangeChain
-
-	seekBounds *rangeBounds
-}
-
-type rangeBounds struct {
-	left, right uint64
-}
-
-type rangeChain struct {
-	next, prev *rangeChain
-
-	bounds *rangeBounds
-
-	id *objectSDK.ID
-}
-
 // HeadReceiver is an interface of entity that can receive
 // object header or the information about the object relations.
 type HeadReceiver interface {
@@ -188,112 +170,3 @@ func traverseSplitChain(r HeadReceiver, addr *objectSDK.Address, h SplitMemberHa
 
 	return false, nil
 }
-
-func NewRangeTraverser(originSize uint64, rightElement *object.Object, rngSeek *objectSDK.Range) *RangeTraverser {
-	right := &rangeChain{
-		bounds: &rangeBounds{
-			left:  originSize - rightElement.PayloadSize(),
-			right: originSize,
-		},
-		id: rightElement.ID(),
-	}
-
-	left := &rangeChain{
-		id: rightElement.PreviousID(),
-	}
-
-	left.next, right.prev = right, left
-
-	return &RangeTraverser{
-		chain: right,
-		seekBounds: &rangeBounds{
-			left:  rngSeek.GetOffset(),
-			right: rngSeek.GetOffset() + rngSeek.GetLength(),
-		},
-	}
-}
-
-func (c *RangeTraverser) Next() (id *objectSDK.ID, rng *objectSDK.Range) {
-	left := c.chain.bounds.left
-	seekLeft := c.seekBounds.left
-
-	if left > seekLeft {
-		id = c.chain.prev.id
-	} else {
-		id = c.chain.id
-		rng = objectSDK.NewRange()
-		rng.SetOffset(seekLeft - left)
-		rng.SetLength(min(c.chain.bounds.right, c.seekBounds.right) - seekLeft)
-	}
-
-	return
-}
-
-func min(a, b uint64) uint64 {
-	if a < b {
-		return a
-	}
-
-	return b
-}
-
-func (c *RangeTraverser) PushHeader(obj *object.Object) {
-	id := obj.ID()
-	if !id.Equal(c.chain.prev.id) {
-		panic(fmt.Sprintf("(%T) unexpected identifier in header", c))
-	}
-
-	sz := obj.PayloadSize()
-
-	c.chain.prev.bounds = &rangeBounds{
-		left:  c.chain.bounds.left - sz,
-		right: c.chain.bounds.left,
-	}
-
-	c.chain = c.chain.prev
-
-	if prev := obj.PreviousID(); prev != nil {
-		c.chain.prev = &rangeChain{
-			next: c.chain,
-			id:   prev,
-		}
-	}
-}
-
-func (c *RangeTraverser) PushSuccessSize(sz uint64) {
-	c.seekBounds.left += sz
-
-	if c.seekBounds.left >= c.chain.bounds.right && c.chain.next != nil {
-		c.chain = c.chain.next
-	}
-}
-
-// SetSeekRange moves the chain to the specified range.
-// The range is expected to be within the filled chain.
-func (c *RangeTraverser) SetSeekRange(r *objectSDK.Range) {
-	ln, off := r.GetLength(), r.GetOffset()
-
-	for {
-		if off < c.chain.bounds.left {
-			if c.chain.prev == nil {
-				break
-			}
-
-			c.chain = c.chain.prev
-		} else if off >= c.chain.bounds.left && off < c.chain.bounds.right {
-			break
-		} else if off >= c.chain.bounds.right {
-			if c.chain.next == nil {
-				break
-			}
-
-			c.chain = c.chain.next
-		}
-	}
-
-	if c.seekBounds == nil {
-		c.seekBounds = new(rangeBounds)
-	}
-
-	c.seekBounds.left, c.seekBounds.right = off, off+ln
-}
diff --git a/pkg/services/object_manager/gc/gc.go b/pkg/services/object_manager/gc/gc.go
index 72515aa9db..e52ee84cff 100644
--- a/pkg/services/object_manager/gc/gc.go
+++ b/pkg/services/object_manager/gc/gc.go
@@ -135,14 +135,3 @@ func stringifyID(addr *object.ID) string {
 func stringifyCID(addr *container.ID) string {
 	return base58.Encode(addr.ToV2().GetValue())
 }
-
-// DeleteObjects adds list of adresses to delete queue.
-func (gc *GC) DeleteObjects(list ...*object.Address) {
-	for i := range list {
-		select {
-		case gc.queue <- list[i]:
-		default:
-			gc.log.Info("queue for deletion is full")
-		}
-	}
-}
diff --git a/pkg/services/object_manager/placement/traverser_test.go b/pkg/services/object_manager/placement/traverser_test.go
index 42a427f689..0cba8c3fc5 100644
--- a/pkg/services/object_manager/placement/traverser_test.go
+++ b/pkg/services/object_manager/placement/traverser_test.go
@@ -25,16 +25,6 @@ func testNode(v uint32) (n netmap.NodeInfo) {
 	return n
 }
 
-func flattenVectors(vs []netmap.Nodes) netmap.Nodes {
-	v := make(netmap.Nodes, 0)
-
-	for i := range vs {
-		v = append(v, vs[i]...)
-	}
-
-	return v
-}
-
 func copyVectors(v []netmap.Nodes) []netmap.Nodes {
 	vc := make([]netmap.Nodes, 0, len(v))