diff --git a/pkg/services/object_manager/placement/traverser.go b/pkg/services/object_manager/placement/traverser.go
index fa17f2ca50..baa67b51ef 100644
--- a/pkg/services/object_manager/placement/traverser.go
+++ b/pkg/services/object_manager/placement/traverser.go
@@ -77,14 +77,14 @@ func NewTraverser(opts ...Option) (*Traverser, error) {
 		return nil, errors.Wrap(err, "could not build placement")
 	}
 
-	ss := cfg.policy.GetSelectors()
-	rem := make([]int, 0, len(ss))
+	rs := cfg.policy.GetReplicas()
+	rem := make([]int, 0, len(rs))
 
-	for i := range ss {
+	for i := range rs {
 		cnt := cfg.rem
 
 		if cnt == 0 {
-			cnt = int(ss[i].GetCount())
+			cnt = int(rs[i].GetCount())
 		}
 
 		rem = append(rem, cnt)
diff --git a/pkg/services/object_manager/placement/traverser_test.go b/pkg/services/object_manager/placement/traverser_test.go
index eb7322a4b5..a5cce07efe 100644
--- a/pkg/services/object_manager/placement/traverser_test.go
+++ b/pkg/services/object_manager/placement/traverser_test.go
@@ -49,39 +49,39 @@ func copyVectors(v []netmap.Nodes) []netmap.Nodes {
 	return vc
 }
 
-func testPlacement(t *testing.T, rs, ss []int) ([]netmap.Nodes, *container.Container) {
+func testPlacement(t *testing.T, ss, rs []int) ([]netmap.Nodes, *container.Container) {
 	nodes := make([]netmap.Nodes, 0, len(rs))
-	selectors := make([]*netmap.Selector, 0, len(rs))
+	replicas := make([]*netmap.Replica, 0, len(rs))
 	num := uint32(0)
 
-	for i := range rs {
-		ns := make([]netmapV2.NodeInfo, 0, rs[i])
+	for i := range ss {
+		ns := make([]netmapV2.NodeInfo, 0, ss[i])
 
-		for j := 0; j < rs[i]; j++ {
+		for j := 0; j < ss[i]; j++ {
 			ns = append(ns, testNode(num))
 			num++
 		}
 
 		nodes = append(nodes, netmap.NodesFromV2(ns))
 
-		s := new(netmap.Selector)
-		s.SetCount(uint32(ss[i]))
+		s := new(netmap.Replica)
+		s.SetCount(uint32(rs[i]))
 
-		selectors = append(selectors, s)
+		replicas = append(replicas, s)
 	}
 
 	policy := new(netmap.PlacementPolicy)
-	policy.SetSelectors(selectors)
+	policy.SetReplicas(replicas)
 
 	return nodes, container.New(container.WithPolicy(policy))
 }
 
 func TestTraverserObjectScenarios(t *testing.T) {
 	t.Run("search scenario", func(t *testing.T) {
-		replicas := []int{2, 3}
-		selectors := []int{1, 2}
+		selectors := []int{2, 3}
+		replicas := []int{1, 2}
 
-		nodes, cnr := testPlacement(t, replicas, selectors)
+		nodes, cnr := testPlacement(t, selectors, replicas)
 
 		nodesCopy := copyVectors(nodes)
 
@@ -92,7 +92,7 @@ func TestTraverserObjectScenarios(t *testing.T) {
 		)
 		require.NoError(t, err)
 
-		for i := range replicas {
+		for i := range selectors {
 			addrs := tr.Next()
 
 			require.Len(t, addrs, len(nodes[i]))
@@ -107,10 +107,10 @@ func TestTraverserObjectScenarios(t *testing.T) {
 	})
 
 	t.Run("read scenario", func(t *testing.T) {
-		replicas := []int{5, 3}
-		selectors := []int{2, 2}
+		selectors := []int{5, 3}
+		replicas := []int{2, 2}
 
-		nodes, cnr := testPlacement(t, replicas, selectors)
+		nodes, cnr := testPlacement(t, selectors, replicas)
 
 		nodesCopy := copyVectors(nodes)
 
@@ -122,7 +122,7 @@ func TestTraverserObjectScenarios(t *testing.T) {
 		require.NoError(t, err)
 
 		fn := func(curVector int) {
-			for i := 0; i < replicas[curVector]; i++ {
+			for i := 0; i < selectors[curVector]; i++ {
 				addrs := tr.Next()
 				require.Len(t, addrs, 1)
 
@@ -135,10 +135,10 @@ func TestTraverserObjectScenarios(t *testing.T) {
 			tr.SubmitSuccess()
 		}
 
-		for i := range replicas {
+		for i := range selectors {
 			fn(i)
 
-			if i < len(replicas)-1 {
+			if i < len(selectors)-1 {
 				require.False(t, tr.Success())
 			} else {
 				require.True(t, tr.Success())
@@ -147,10 +147,10 @@ func TestTraverserObjectScenarios(t *testing.T) {
 	})
 
 	t.Run("put scenario", func(t *testing.T) {
-		replicas := []int{5, 3}
-		selectors := []int{2, 2}
+		selectors := []int{5, 3}
+		replicas := []int{2, 2}
 
-		nodes, cnr := testPlacement(t, replicas, selectors)
+		nodes, cnr := testPlacement(t, selectors, replicas)
 
 		nodesCopy := copyVectors(nodes)
 
@@ -161,9 +161,9 @@ func TestTraverserObjectScenarios(t *testing.T) {
 		require.NoError(t, err)
 
 		fn := func(curVector int) {
-			for i := 0; i+selectors[curVector] < replicas[curVector]; i += selectors[curVector] {
+			for i := 0; i+replicas[curVector] < selectors[curVector]; i += replicas[curVector] {
 				addrs := tr.Next()
-				require.Len(t, addrs, selectors[curVector])
+				require.Len(t, addrs, replicas[curVector])
 
 				for j := range addrs {
 					require.Equal(t, nodes[curVector][i+j].NetworkAddress(), addrs[j].String())
@@ -173,15 +173,15 @@ func TestTraverserObjectScenarios(t *testing.T) {
 			require.Empty(t, tr.Next())
 			require.False(t, tr.Success())
 
-			for i := 0; i < selectors[curVector]; i++ {
+			for i := 0; i < replicas[curVector]; i++ {
 				tr.SubmitSuccess()
 			}
 		}
 
-		for i := range replicas {
+		for i := range selectors {
 			fn(i)
 
-			if i < len(replicas)-1 {
+			if i < len(selectors)-1 {
 				require.False(t, tr.Success())
 			} else {
 				require.True(t, tr.Success())