diff --git a/pkg/services/object/get/exec.go b/pkg/services/object/get/exec.go
index ea2677f35..79469fa8f 100644
--- a/pkg/services/object/get/exec.go
+++ b/pkg/services/object/get/exec.go
@@ -120,7 +120,7 @@ func (exec *execCtx) initEpoch() bool {
 		return true
 	}
 
-	e, err := exec.svc.currentEpochReceiver.currentEpoch()
+	e, err := exec.svc.epochSource.Epoch()
 
 	switch {
 	default:
diff --git a/pkg/services/object/get/get_test.go b/pkg/services/object/get/get_test.go
index 93abb161f..d7e24256d 100644
--- a/pkg/services/object/get/get_test.go
+++ b/pkg/services/object/get/get_test.go
@@ -56,7 +56,7 @@ type testClient struct {
 
 type testEpochReceiver uint64
 
-func (e testEpochReceiver) currentEpoch() (uint64, error) {
+func (e testEpochReceiver) Epoch() (uint64, error) {
 	return uint64(e), nil
 }
 
@@ -487,7 +487,7 @@ func TestGetRemoteSmall(t *testing.T) {
 			},
 		}
 		svc.clientCache = c
-		svc.currentEpochReceiver = testEpochReceiver(curEpoch)
+		svc.epochSource = testEpochReceiver(curEpoch)
 
 		return svc
 	}
@@ -1182,7 +1182,7 @@ func TestGetFromPastEpoch(t *testing.T) {
 		},
 	}
 
-	svc.currentEpochReceiver = testEpochReceiver(curEpoch)
+	svc.epochSource = testEpochReceiver(curEpoch)
 
 	w := NewSimpleObjectWriter()
 
diff --git a/pkg/services/object/get/service.go b/pkg/services/object/get/service.go
index 70ceadf9f..97e92a717 100644
--- a/pkg/services/object/get/service.go
+++ b/pkg/services/object/get/service.go
@@ -42,13 +42,15 @@ type cfg struct {
 		GenerateTraverser(cid.ID, *oid.ID, uint64) (*placement.Traverser, error)
 	}
 
-	currentEpochReceiver interface {
-		currentEpoch() (uint64, error)
-	}
+	epochSource epochSource
 
 	keyStore *util.KeyStorage
 }
 
+type epochSource interface {
+	Epoch() (uint64, error)
+}
+
 func defaultCfg() *cfg {
 	return &cfg{
 		assembly:     true,
@@ -117,9 +119,7 @@ func WithTraverserGenerator(t *util.TraverserGenerator) Option {
 // map storage to receive current network state.
 func WithNetMapSource(nmSrc netmap.Source) Option {
 	return func(c *cfg) {
-		c.currentEpochReceiver = &nmSrcWrapper{
-			nmSrc: nmSrc,
-		}
+		c.epochSource = nmSrc
 	}
 }
 
diff --git a/pkg/services/object/get/util.go b/pkg/services/object/get/util.go
index 927cd80eb..9abf17e90 100644
--- a/pkg/services/object/get/util.go
+++ b/pkg/services/object/get/util.go
@@ -6,7 +6,6 @@ import (
 	"io"
 
 	coreclient "github.com/TrueCloudLab/frostfs-node/pkg/core/client"
-	"github.com/TrueCloudLab/frostfs-node/pkg/core/netmap"
 	"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
 	internal "github.com/TrueCloudLab/frostfs-node/pkg/services/object/internal/client"
 	internalclient "github.com/TrueCloudLab/frostfs-node/pkg/services/object/internal/client"
@@ -44,10 +43,6 @@ type hasherWrapper struct {
 	hash io.Writer
 }
 
-type nmSrcWrapper struct {
-	nmSrc netmap.Source
-}
-
 func NewSimpleObjectWriter() *SimpleObjectWriter {
 	return &SimpleObjectWriter{
 		obj: object.New(),
@@ -250,7 +245,3 @@ func (h *hasherWrapper) WriteChunk(p []byte) error {
 	_, err := h.hash.Write(p)
 	return err
 }
-
-func (n *nmSrcWrapper) currentEpoch() (uint64, error) {
-	return n.nmSrc.Epoch()
-}
diff --git a/pkg/services/object/search/exec.go b/pkg/services/object/search/exec.go
index 7ba3d1466..980d7e166 100644
--- a/pkg/services/object/search/exec.go
+++ b/pkg/services/object/search/exec.go
@@ -56,7 +56,7 @@ func (exec *execCtx) initEpoch() bool {
 		return true
 	}
 
-	e, err := exec.svc.currentEpochReceiver.currentEpoch()
+	e, err := exec.svc.epochSource.Epoch()
 
 	switch {
 	default:
diff --git a/pkg/services/object/search/search_test.go b/pkg/services/object/search/search_test.go
index 3749d0d98..33ba07655 100644
--- a/pkg/services/object/search/search_test.go
+++ b/pkg/services/object/search/search_test.go
@@ -51,7 +51,7 @@ type simpleIDWriter struct {
 
 type testEpochReceiver uint64
 
-func (e testEpochReceiver) currentEpoch() (uint64, error) {
+func (e testEpochReceiver) Epoch() (uint64, error) {
 	return uint64(e), nil
 }
 
@@ -261,7 +261,7 @@ func TestGetRemoteSmall(t *testing.T) {
 			},
 		}
 		svc.clientConstructor = c
-		svc.currentEpochReceiver = testEpochReceiver(curEpoch)
+		svc.epochSource = testEpochReceiver(curEpoch)
 
 		return svc
 	}
@@ -388,7 +388,7 @@ func TestGetFromPastEpoch(t *testing.T) {
 		},
 	}
 
-	svc.currentEpochReceiver = testEpochReceiver(curEpoch)
+	svc.epochSource = testEpochReceiver(curEpoch)
 
 	w := new(simpleIDWriter)
 
diff --git a/pkg/services/object/search/service.go b/pkg/services/object/search/service.go
index 1a1cb4c1c..d0cd79e0a 100644
--- a/pkg/services/object/search/service.go
+++ b/pkg/services/object/search/service.go
@@ -46,13 +46,15 @@ type cfg struct {
 		generateTraverser(cid.ID, uint64) (*placement.Traverser, error)
 	}
 
-	currentEpochReceiver interface {
-		currentEpoch() (uint64, error)
-	}
+	epochSource epochSource
 
 	keyStore *util.KeyStorage
 }
 
+type epochSource interface {
+	Epoch() (uint64, error)
+}
+
 func defaultCfg() *cfg {
 	return &cfg{
 		log:               &logger.Logger{Logger: zap.L()},
@@ -110,9 +112,7 @@ func WithTraverserGenerator(t *util.TraverserGenerator) Option {
 // map storage to receive current network state.
 func WithNetMapSource(nmSrc netmap.Source) Option {
 	return func(c *cfg) {
-		c.currentEpochReceiver = &nmSrcWrapper{
-			nmSrc: nmSrc,
-		}
+		c.epochSource = nmSrc
 	}
 }
 
diff --git a/pkg/services/object/search/util.go b/pkg/services/object/search/util.go
index 192a8dee5..a4e9d5759 100644
--- a/pkg/services/object/search/util.go
+++ b/pkg/services/object/search/util.go
@@ -4,7 +4,6 @@ import (
 	"sync"
 
 	"github.com/TrueCloudLab/frostfs-node/pkg/core/client"
-	"github.com/TrueCloudLab/frostfs-node/pkg/core/netmap"
 	"github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
 	internalclient "github.com/TrueCloudLab/frostfs-node/pkg/services/object/internal/client"
 	"github.com/TrueCloudLab/frostfs-node/pkg/services/object/util"
@@ -35,10 +34,6 @@ type storageEngineWrapper struct {
 
 type traverseGeneratorWrapper util.TraverserGenerator
 
-type nmSrcWrapper struct {
-	nmSrc netmap.Source
-}
-
 func newUniqueAddressWriter(w IDListWriter) IDListWriter {
 	return &uniqueIDWriter{
 		written: make(map[oid.ID]struct{}),
@@ -143,7 +138,3 @@ func idsFromAddresses(addrs []oid.Address) []oid.ID {
 func (e *traverseGeneratorWrapper) generateTraverser(cnr cid.ID, epoch uint64) (*placement.Traverser, error) {
 	return (*util.TraverserGenerator)(e).GenerateTraverser(cnr, nil, epoch)
 }
-
-func (n *nmSrcWrapper) currentEpoch() (uint64, error) {
-	return n.nmSrc.Epoch()
-}