diff --git a/cmd/neofs-node/main.go b/cmd/neofs-node/main.go
index 320458ee7..218e5c7f6 100644
--- a/cmd/neofs-node/main.go
+++ b/cmd/neofs-node/main.go
@@ -19,7 +19,7 @@ func main() {
 
 	c := initCfg(*configFile)
 
-	init_(c)
+	initApp(c)
 
 	bootUp(c)
 
@@ -28,7 +28,7 @@ func main() {
 	shutdown(c)
 }
 
-func init_(c *cfg) {
+func initApp(c *cfg) {
 	c.ctx = grace.NewGracefulContext(nil)
 
 	initGRPC(c)
diff --git a/pkg/services/object/response.go b/pkg/services/object/response.go
index f60eb9a69..948bb0dc4 100644
--- a/pkg/services/object/response.go
+++ b/pkg/services/object/response.go
@@ -53,7 +53,7 @@ func (s *getStreamResponser) Send(resp *object.GetResponse) error {
 func (s *ResponseService) Get(req *object.GetRequest, stream GetObjectStream) error {
 	return s.svc.Get(req, &getStreamResponser{
 		ServerStream: stream,
-		respWriter: s.respSvc.HandleServerStreamRequest_(func(resp util.ResponseMessage) error {
+		respWriter: s.respSvc.HandleServerStreamRequest(func(resp util.ResponseMessage) error {
 			return stream.Send(resp.(*object.GetResponse))
 		}),
 	})
@@ -110,7 +110,7 @@ func (s *searchStreamResponser) Send(resp *object.SearchResponse) error {
 func (s *ResponseService) Search(req *object.SearchRequest, stream SearchStream) error {
 	return s.svc.Search(req, &searchStreamResponser{
 		ServerStream: stream,
-		respWriter: s.respSvc.HandleServerStreamRequest_(func(resp util.ResponseMessage) error {
+		respWriter: s.respSvc.HandleServerStreamRequest(func(resp util.ResponseMessage) error {
 			return stream.Send(resp.(*object.SearchResponse))
 		}),
 	})
@@ -136,7 +136,7 @@ func (s *getRangeStreamResponser) Send(resp *object.GetRangeResponse) error {
 func (s *ResponseService) GetRange(req *object.GetRangeRequest, stream GetObjectRangeStream) error {
 	return s.svc.GetRange(req, &getRangeStreamResponser{
 		ServerStream: stream,
-		respWriter: s.respSvc.HandleServerStreamRequest_(func(resp util.ResponseMessage) error {
+		respWriter: s.respSvc.HandleServerStreamRequest(func(resp util.ResponseMessage) error {
 			return stream.Send(resp.(*object.GetRangeResponse))
 		}),
 	})
diff --git a/pkg/services/object/sign.go b/pkg/services/object/sign.go
index 4d4220f1a..0b9e3ff0c 100644
--- a/pkg/services/object/sign.go
+++ b/pkg/services/object/sign.go
@@ -52,7 +52,7 @@ func (s *getStreamSigner) Send(resp *object.GetResponse) error {
 }
 
 func (s *SignService) Get(req *object.GetRequest, stream GetObjectStream) error {
-	respWriter, err := s.sigSvc.HandleServerStreamRequest_(req,
+	respWriter, err := s.sigSvc.HandleServerStreamRequest(req,
 		func(resp util.ResponseMessage) error {
 			return stream.Send(resp.(*object.GetResponse))
 		},
@@ -116,7 +116,7 @@ func (s *searchStreamSigner) Send(resp *object.SearchResponse) error {
 }
 
 func (s *SignService) Search(req *object.SearchRequest, stream SearchStream) error {
-	respWriter, err := s.sigSvc.HandleServerStreamRequest_(req,
+	respWriter, err := s.sigSvc.HandleServerStreamRequest(req,
 		func(resp util.ResponseMessage) error {
 			return stream.Send(resp.(*object.SearchResponse))
 		},
@@ -149,7 +149,7 @@ func (s *getRangeStreamSigner) Send(resp *object.GetRangeResponse) error {
 }
 
 func (s *SignService) GetRange(req *object.GetRangeRequest, stream GetObjectRangeStream) error {
-	respWriter, err := s.sigSvc.HandleServerStreamRequest_(req,
+	respWriter, err := s.sigSvc.HandleServerStreamRequest(req,
 		func(resp util.ResponseMessage) error {
 			return stream.Send(resp.(*object.GetRangeResponse))
 		},
diff --git a/pkg/services/util/response/server_stream.go b/pkg/services/util/response/server_stream.go
index c903507a1..102d582b1 100644
--- a/pkg/services/util/response/server_stream.go
+++ b/pkg/services/util/response/server_stream.go
@@ -1,8 +1,6 @@
 package response
 
 import (
-	"context"
-
 	"github.com/nspcc-dev/neofs-node/pkg/services/util"
 	"github.com/pkg/errors"
 )
@@ -29,19 +27,7 @@ func (s *ServerMessageStreamer) Recv() (util.ResponseMessage, error) {
 }
 
 // HandleServerStreamRequest builds internal streamer via handlers, wraps it to ServerMessageStreamer and returns the result.
-func (s *Service) HandleServerStreamRequest(ctx context.Context, req interface{}, handler util.ServerStreamHandler) (*ServerMessageStreamer, error) {
-	msgRdr, err := handler(ctx, req)
-	if err != nil {
-		return nil, errors.Wrap(err, "could not create message reader")
-	}
-
-	return &ServerMessageStreamer{
-		cfg:  s.cfg,
-		recv: msgRdr,
-	}, nil
-}
-
-func (s *Service) HandleServerStreamRequest_(respWriter util.ResponseMessageWriter) util.ResponseMessageWriter {
+func (s *Service) HandleServerStreamRequest(respWriter util.ResponseMessageWriter) util.ResponseMessageWriter {
 	return func(resp util.ResponseMessage) error {
 		setMeta(resp, s.cfg)
 
diff --git a/pkg/services/util/sign.go b/pkg/services/util/sign.go
index 2f0550072..e9ab13368 100644
--- a/pkg/services/util/sign.go
+++ b/pkg/services/util/sign.go
@@ -23,8 +23,6 @@ type SignService struct {
 
 type ResponseMessageWriter func(ResponseMessage) error
 
-type ServerStreamHandler_ func(interface{}, ResponseMessageWriter) (ResponseMessageWriter, error)
-
 type ServerStreamHandler func(context.Context, interface{}) (ResponseMessageReader, error)
 
 type ResponseMessageReader func() (ResponseMessage, error)
@@ -96,24 +94,7 @@ func (s *ResponseMessageStreamer) Recv() (ResponseMessage, error) {
 	return m, nil
 }
 
-func (s *SignService) HandleServerStreamRequest(ctx context.Context, req interface{}, handler ServerStreamHandler) (*ResponseMessageStreamer, error) {
-	// verify request signatures
-	if err := signature.VerifyServiceMessage(req); err != nil {
-		return nil, errors.Wrap(err, "could not verify request")
-	}
-
-	msgRdr, err := handler(ctx, req)
-	if err != nil {
-		return nil, errors.Wrap(err, "could not create message reader")
-	}
-
-	return &ResponseMessageStreamer{
-		key:  s.key,
-		recv: msgRdr,
-	}, nil
-}
-
-func (s *SignService) HandleServerStreamRequest_(req interface{}, respWriter ResponseMessageWriter) (ResponseMessageWriter, error) {
+func (s *SignService) HandleServerStreamRequest(req interface{}, respWriter ResponseMessageWriter) (ResponseMessageWriter, error) {
 	// verify request signatures
 	if err := signature.VerifyServiceMessage(req); err != nil {
 		return nil, errors.Wrap(err, "could not verify request")