diff --git a/pkg/services/tree/sync.go b/pkg/services/tree/sync.go
index 5c0300c1..ed245519 100644
--- a/pkg/services/tree/sync.go
+++ b/pkg/services/tree/sync.go
@@ -126,7 +126,7 @@ func (s *Service) SynchronizeTree(ctx context.Context, cid cid.ID, treeID string
 }
 
 // mergeOperationStreams performs merge sort for node operation streams to one stream.
-func mergeOperationStreams(ctx context.Context, streams []chan *pilorama.Move, merged chan<- *pilorama.Move) uint64 {
+func mergeOperationStreams(streams []chan *pilorama.Move, merged chan<- *pilorama.Move) uint64 {
 	defer close(merged)
 
 	ms := make([]*pilorama.Move, len(streams))
@@ -274,7 +274,7 @@ func (s *Service) synchronizeTree(ctx context.Context, cid cid.ID, from uint64,
 	merged := make(chan *pilorama.Move)
 	var minStreamedLastHeight uint64
 	errGroup.Go(func() error {
-		minStreamedLastHeight = mergeOperationStreams(ctx, nodeOperationStreams, merged)
+		minStreamedLastHeight = mergeOperationStreams(nodeOperationStreams, merged)
 		return nil
 	})
 	var minUnappliedHeight uint64
diff --git a/pkg/services/tree/sync_test.go b/pkg/services/tree/sync_test.go
index eb51bc3f..190b4ccb 100644
--- a/pkg/services/tree/sync_test.go
+++ b/pkg/services/tree/sync_test.go
@@ -1,7 +1,6 @@
 package tree
 
 import (
-	"context"
 	"testing"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/pilorama"
@@ -11,14 +10,12 @@ import (
 func Test_mergeOperationStreams(t *testing.T) {
 	tests := []struct {
 		name          string
-		ctx           context.Context
 		opTimes       [][]uint64
 		wantValues    []uint64
 		wantMinHeight uint64
 	}{
 		{
 			name: "1",
-			ctx:  context.Background(),
 			opTimes: [][]uint64{
 				{250, 251, 255},
 				{252, 253, 254, 256, 257},
@@ -28,7 +25,6 @@ func Test_mergeOperationStreams(t *testing.T) {
 		},
 		{
 			name: "2",
-			ctx:  context.Background(),
 			opTimes: [][]uint64{
 				{250, 251, 255, 259},
 				{252, 253, 254, 256, 257},
@@ -38,7 +34,6 @@ func Test_mergeOperationStreams(t *testing.T) {
 		},
 		{
 			name: "3",
-			ctx:  context.Background(),
 			opTimes: [][]uint64{
 				{250, 251, 255},
 				{249, 250, 251, 253, 254, 256, 257},
@@ -71,7 +66,7 @@ func Test_mergeOperationStreams(t *testing.T) {
 			merged := make(chan *pilorama.Move, 1)
 			min := make(chan uint64)
 			go func() {
-				min <- mergeOperationStreams(tt.ctx, nodeOpChans, merged)
+				min <- mergeOperationStreams(nodeOpChans, merged)
 			}()
 
 			var res []uint64