diff --git a/pkg/services/object/acl/eacl/v2/headers.go b/pkg/services/object/acl/eacl/v2/headers.go
index e6b352155..e116c0b65 100644
--- a/pkg/services/object/acl/eacl/v2/headers.go
+++ b/pkg/services/object/acl/eacl/v2/headers.go
@@ -46,7 +46,7 @@ type headerSource struct {
 }
 
 func (c *cfg) initDefault() {
-	c.storage = new(localStorage)
+	c.storage = (*localStorage)(nil)
 }
 
 func NewMessageHeaderSource(opts ...Option) (eaclSDK.TypedHeaderSource, error) {
diff --git a/pkg/services/object/acl/eacl/v2/localstore.go b/pkg/services/object/acl/eacl/v2/localstore.go
index 63020cbc1..255640fc3 100644
--- a/pkg/services/object/acl/eacl/v2/localstore.go
+++ b/pkg/services/object/acl/eacl/v2/localstore.go
@@ -8,14 +8,12 @@ import (
 	oid "github.com/TrueCloudLab/frostfs-sdk-go/object/id"
 )
 
-type localStorage struct {
-	ls *engine.StorageEngine
-}
+type localStorage engine.StorageEngine
 
 func (s *localStorage) Head(addr oid.Address) (*objectSDK.Object, error) {
-	if s.ls == nil {
+	if s == nil {
 		return nil, io.ErrUnexpectedEOF
 	}
 
-	return engine.Head(s.ls, addr)
+	return engine.Head((*engine.StorageEngine)(s), addr)
 }
diff --git a/pkg/services/object/acl/eacl/v2/opts.go b/pkg/services/object/acl/eacl/v2/opts.go
index b6f86520b..9079535ba 100644
--- a/pkg/services/object/acl/eacl/v2/opts.go
+++ b/pkg/services/object/acl/eacl/v2/opts.go
@@ -14,9 +14,7 @@ func WithObjectStorage(v ObjectStorage) Option {
 
 func WithLocalObjectStorage(v *engine.StorageEngine) Option {
 	return func(c *cfg) {
-		c.storage = &localStorage{
-			ls: v,
-		}
+		c.storage = (*localStorage)(v)
 	}
 }
 
diff --git a/pkg/services/object/get/service.go b/pkg/services/object/get/service.go
index 110613c88..b69ef8979 100644
--- a/pkg/services/object/get/service.go
+++ b/pkg/services/object/get/service.go
@@ -53,7 +53,6 @@ type epochSource interface {
 
 func (c *cfg) initDefault() {
 	c.log = &logger.Logger{Logger: zap.L()}
-	c.localStorage = new(storageEngineWrapper)
 	c.assembly = true
 	c.clientCache = new(clientCacheWrapper)
 }
@@ -89,7 +88,7 @@ func WithoutAssembly() Option {
 // instance.
 func WithLocalStorageEngine(e *engine.StorageEngine) Option {
 	return func(c *cfg) {
-		c.localStorage.(*storageEngineWrapper).engine = e
+		c.localStorage = (*storageEngineWrapper)(e)
 	}
 }
 
diff --git a/pkg/services/object/get/util.go b/pkg/services/object/get/util.go
index 9abf17e90..88cb896e2 100644
--- a/pkg/services/object/get/util.go
+++ b/pkg/services/object/get/util.go
@@ -27,9 +27,7 @@ type clientWrapper struct {
 	client coreclient.MultiAddressClient
 }
 
-type storageEngineWrapper struct {
-	engine *engine.StorageEngine
-}
+type storageEngineWrapper engine.StorageEngine
 
 type partWriter struct {
 	ObjectWriter
@@ -190,13 +188,14 @@ func (c *clientWrapper) get(exec *execCtx, key *ecdsa.PrivateKey) (*object.Objec
 	return res.Object(), nil
 }
 
-func (e *storageEngineWrapper) get(exec *execCtx) (*object.Object, error) {
+func (w *storageEngineWrapper) get(exec *execCtx) (*object.Object, error) {
+	e := (*engine.StorageEngine)(w)
 	if exec.headOnly {
 		var headPrm engine.HeadPrm
 		headPrm.WithAddress(exec.prm.addr)
 		headPrm.WithRaw(exec.prm.raw)
 
-		r, err := e.engine.Head(headPrm)
+		r, err := e.Head(headPrm)
 		if err != nil {
 			return nil, err
 		}
@@ -207,7 +206,7 @@ func (e *storageEngineWrapper) get(exec *execCtx) (*object.Object, error) {
 		getRange.WithAddress(exec.prm.addr)
 		getRange.WithPayloadRange(rng)
 
-		r, err := e.engine.GetRange(getRange)
+		r, err := e.GetRange(getRange)
 		if err != nil {
 			return nil, err
 		}
@@ -217,7 +216,7 @@ func (e *storageEngineWrapper) get(exec *execCtx) (*object.Object, error) {
 		var getPrm engine.GetPrm
 		getPrm.WithAddress(exec.prm.addr)
 
-		r, err := e.engine.Get(getPrm)
+		r, err := e.Get(getPrm)
 		if err != nil {
 			return nil, err
 		}