diff --git a/pkg/local_object_storage/writecache/flush.go b/pkg/local_object_storage/writecache/flush.go
index 0427b484fb..162261fe4e 100644
--- a/pkg/local_object_storage/writecache/flush.go
+++ b/pkg/local_object_storage/writecache/flush.go
@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"github.com/mr-tron/base58"
+	"github.com/nspcc-dev/neo-go/pkg/util/slice"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
 	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
 	"github.com/nspcc-dev/neofs-sdk-go/object"
@@ -84,7 +85,7 @@ func (c *cache) flush() {
 				sz += len(k) + len(v)
 				m = append(m, objectInfo{
 					addr: string(k),
-					data: cloneBytes(v),
+					data: slice.Copy(v),
 				})
 			}
 			return nil
@@ -227,9 +228,3 @@ func (c *cache) flushObject(obj *object.Object) error {
 	_, err = c.metabase.Put(pPrm)
 	return err
 }
-
-func cloneBytes(a []byte) []byte {
-	b := make([]byte, len(a))
-	copy(b, a)
-	return b
-}
diff --git a/pkg/local_object_storage/writecache/get.go b/pkg/local_object_storage/writecache/get.go
index 951daad7e2..6b18fea67e 100644
--- a/pkg/local_object_storage/writecache/get.go
+++ b/pkg/local_object_storage/writecache/get.go
@@ -1,6 +1,7 @@
 package writecache
 
 import (
+	"github.com/nspcc-dev/neo-go/pkg/util/slice"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
 	apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
 	objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
@@ -66,7 +67,7 @@ func Get(db *bbolt.DB, key []byte) ([]byte, error) {
 
 			return errNotFound
 		}
-		value = cloneBytes(value)
+		value = slice.Copy(value)
 		return nil
 	})
 	return value, err