diff --git a/netmap/context.go b/netmap/context.go
index 29b8167..bce1a2c 100644
--- a/netmap/context.go
+++ b/netmap/context.go
@@ -18,7 +18,7 @@ type Context struct {
 	Selections map[string][]Nodes
 
 	// numCache stores parsed numeric values.
-	numCache map[*Filter]uint64
+	numCache map[string]uint64
 	// pivot is a seed for HRW.
 	pivot []byte
 	// pivotHash is a saved HRW hash of pivot
@@ -56,7 +56,7 @@ func NewContext(nm *Netmap) *Context {
 		Selectors:  make(map[string]*Selector),
 		Selections: make(map[string][]Nodes),
 
-		numCache:   make(map[*Filter]uint64),
+		numCache:   make(map[string]uint64),
 		aggregator: newMeanIQRAgg,
 		weightFunc: GetDefaultWeightFunc(nm.Nodes),
 		cbf:        defaultCBF,
diff --git a/netmap/filter.go b/netmap/filter.go
index 38fdb4f..3492fac 100644
--- a/netmap/filter.go
+++ b/netmap/filter.go
@@ -21,8 +21,9 @@ func (c *Context) applyFilter(name string, b *Node) bool {
 
 // processFilters processes filters and returns error is any of them is invalid.
 func (c *Context) processFilters(p *PlacementPolicy) error {
-	for _, f := range p.Filters() {
-		if err := c.processFilter(f, true); err != nil {
+	filters := p.Filters()
+	for i := range filters {
+		if err := c.processFilter(&filters[i], true); err != nil {
 			return err
 		}
 	}
@@ -50,7 +51,7 @@ func (c *Context) processFilter(f *Filter, top bool) error {
 	switch f.Operation() {
 	case OpAND, OpOR:
 		for _, flt := range f.InnerFilters() {
-			if err := c.processFilter(flt, false); err != nil {
+			if err := c.processFilter(&flt, false); err != nil {
 				return err
 			}
 		}
@@ -69,7 +70,7 @@ func (c *Context) processFilter(f *Filter, top bool) error {
 				return fmt.Errorf("%w: '%s'", ErrInvalidNumber, f.Value())
 			}
 
-			c.numCache[f] = n
+			c.numCache[f.Value()] = n
 		default:
 			return fmt.Errorf("%w: %s", ErrInvalidFilterOp, f.Operation())
 		}
@@ -90,10 +91,10 @@ func (c *Context) match(f *Filter, b *Node) bool {
 	case OpAND, OpOR:
 		for _, lf := range f.InnerFilters() {
 			if lf.Name() != "" {
-				lf = c.Filters[lf.Name()]
+				lf = *c.Filters[lf.Name()]
 			}
 
-			ok := c.match(lf, b)
+			ok := c.match(&lf, b)
 			if ok == (f.Operation() == OpOR) {
 				return ok
 			}
@@ -132,13 +133,13 @@ func (c *Context) matchKeyValue(f *Filter, b *Node) bool {
 
 		switch f.Operation() {
 		case OpGT:
-			return attr > c.numCache[f]
+			return attr > c.numCache[f.Value()]
 		case OpGE:
-			return attr >= c.numCache[f]
+			return attr >= c.numCache[f.Value()]
 		case OpLT:
-			return attr < c.numCache[f]
+			return attr < c.numCache[f.Value()]
 		case OpLE:
-			return attr <= c.numCache[f]
+			return attr <= c.numCache[f.Value()]
 		default:
 			// do nothing and return false
 		}
@@ -214,31 +215,31 @@ func (f *Filter) SetOperation(op Operation) {
 	(*netmap.Filter)(f).SetOp(op.ToV2())
 }
 
-func filtersFromV2(fs []*netmap.Filter) []*Filter {
+func filtersFromV2(fs []netmap.Filter) []Filter {
 	if fs == nil {
 		return nil
 	}
 
-	res := make([]*Filter, 0, len(fs))
+	res := make([]Filter, len(fs))
 
 	for i := range fs {
-		res = append(res, NewFilterFromV2(fs[i]))
+		res[i] = *NewFilterFromV2(&fs[i])
 	}
 
 	return res
 }
 
 // InnerFilters returns list of inner filters.
-func (f *Filter) InnerFilters() []*Filter {
+func (f *Filter) InnerFilters() []Filter {
 	return filtersFromV2((*netmap.Filter)(f).GetFilters())
 }
 
-func filtersToV2(fs []*Filter) (fsV2 []*netmap.Filter) {
+func filtersToV2(fs []Filter) (fsV2 []netmap.Filter) {
 	if fs != nil {
-		fsV2 = make([]*netmap.Filter, 0, len(fs))
+		fsV2 = make([]netmap.Filter, len(fs))
 
 		for i := range fs {
-			fsV2 = append(fsV2, fs[i].ToV2())
+			fsV2[i] = *fs[i].ToV2()
 		}
 	}
 
@@ -246,7 +247,7 @@ func filtersToV2(fs []*Filter) (fsV2 []*netmap.Filter) {
 }
 
 // SetInnerFilters sets list of inner filters.
-func (f *Filter) SetInnerFilters(fs ...*Filter) {
+func (f *Filter) SetInnerFilters(fs ...Filter) {
 	(*netmap.Filter)(f).
 		SetFilters(filtersToV2(fs))
 }
diff --git a/netmap/filter_test.go b/netmap/filter_test.go
index 17c442b..517bc9e 100644
--- a/netmap/filter_test.go
+++ b/netmap/filter_test.go
@@ -9,7 +9,7 @@ import (
 )
 
 func TestContext_ProcessFilters(t *testing.T) {
-	fs := []*Filter{
+	fs := []Filter{
 		newFilter("StorageSSD", "Storage", "SSD", OpEQ),
 		newFilter("GoodRating", "Rating", "4", OpGE),
 		newFilter("Main", "", "", OpAND,
@@ -24,17 +24,17 @@ func TestContext_ProcessFilters(t *testing.T) {
 	require.NoError(t, c.processFilters(p))
 	require.Equal(t, 3, len(c.Filters))
 	for _, f := range fs {
-		require.Equal(t, f, c.Filters[f.Name()])
+		require.Equal(t, f, *c.Filters[f.Name()])
 	}
 
-	require.Equal(t, uint64(4), c.numCache[fs[1]])
-	require.Equal(t, uint64(123), c.numCache[fs[2].InnerFilters()[1]])
+	require.Equal(t, uint64(4), c.numCache[fs[1].Value()])
+	require.Equal(t, uint64(123), c.numCache[fs[2].InnerFilters()[1].Value()])
 }
 
 func TestContext_ProcessFiltersInvalid(t *testing.T) {
 	errTestCases := []struct {
 		name   string
-		filter *Filter
+		filter Filter
 		err    error
 	}{
 		{
@@ -69,16 +69,11 @@ func TestContext_ProcessFiltersInvalid(t *testing.T) {
 			newFilter("*", "Rating", "3", OpGE),
 			ErrInvalidFilterName,
 		},
-		{
-			"MissingFilter",
-			nil,
-			ErrMissingField,
-		},
 	}
 	for _, tc := range errTestCases {
 		t.Run(tc.name, func(t *testing.T) {
 			c := NewContext(new(Netmap))
-			p := newPlacementPolicy(1, nil, nil, []*Filter{tc.filter})
+			p := newPlacementPolicy(1, nil, nil, []Filter{tc.filter})
 			err := c.processFilters(p)
 			require.True(t, errors.Is(err, tc.err), "got: %v", err)
 		})
@@ -93,12 +88,12 @@ func TestFilter_MatchSimple_InvalidOp(t *testing.T) {
 
 	f := newFilter("Main", "Rating", "5", OpEQ)
 	c := NewContext(new(Netmap))
-	p := newPlacementPolicy(1, nil, nil, []*Filter{f})
+	p := newPlacementPolicy(1, nil, nil, []Filter{f})
 	require.NoError(t, c.processFilters(p))
 
 	// just for the coverage
 	f.SetOperation(0)
-	require.False(t, c.match(f, b))
+	require.False(t, c.match(&f, b))
 }
 
 func testFilter() *Filter {
@@ -174,11 +169,11 @@ func TestFilter_Operation(t *testing.T) {
 func TestFilter_InnerFilters(t *testing.T) {
 	f := NewFilter()
 
-	f1, f2 := testFilter(), testFilter()
+	f1, f2 := *testFilter(), *testFilter()
 
 	f.SetInnerFilters(f1, f2)
 
-	require.Equal(t, []*Filter{f1, f2}, f.InnerFilters())
+	require.Equal(t, []Filter{f1, f2}, f.InnerFilters())
 }
 
 func TestFilterEncoding(t *testing.T) {
@@ -190,7 +185,7 @@ func TestFilterEncoding(t *testing.T) {
 		data, err := f.Marshal()
 		require.NoError(t, err)
 
-		f2 := NewFilter()
+		f2 := *NewFilter()
 		require.NoError(t, f2.Unmarshal(data))
 
 		require.Equal(t, f, f2)
@@ -200,7 +195,7 @@ func TestFilterEncoding(t *testing.T) {
 		data, err := f.MarshalJSON()
 		require.NoError(t, err)
 
-		f2 := NewFilter()
+		f2 := *NewFilter()
 		require.NoError(t, f2.UnmarshalJSON(data))
 
 		require.Equal(t, f, f2)
diff --git a/netmap/helper_test.go b/netmap/helper_test.go
index bb5b6d3..f9ca738 100644
--- a/netmap/helper_test.go
+++ b/netmap/helper_test.go
@@ -6,8 +6,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func newFilter(name string, k, v string, op Operation, fs ...*Filter) *Filter {
-	f := NewFilter()
+func newFilter(name string, k, v string, op Operation, fs ...Filter) (f Filter) {
 	f.SetName(name)
 	f.SetKey(k)
 	f.SetOperation(op)
@@ -16,8 +15,7 @@ func newFilter(name string, k, v string, op Operation, fs ...*Filter) *Filter {
 	return f
 }
 
-func newSelector(name string, attr string, c Clause, count uint32, filter string) *Selector {
-	s := NewSelector()
+func newSelector(name string, attr string, c Clause, count uint32, filter string) (s Selector) {
 	s.SetName(name)
 	s.SetAttribute(attr)
 	s.SetCount(count)
@@ -26,7 +24,7 @@ func newSelector(name string, attr string, c Clause, count uint32, filter string
 	return s
 }
 
-func newPlacementPolicy(bf uint32, rs []*Replica, ss []*Selector, fs []*Filter) *PlacementPolicy {
+func newPlacementPolicy(bf uint32, rs []Replica, ss []Selector, fs []Filter) *PlacementPolicy {
 	p := NewPlacementPolicy()
 	p.SetContainerBackupFactor(bf)
 	p.SetReplicas(rs...)
@@ -35,17 +33,15 @@ func newPlacementPolicy(bf uint32, rs []*Replica, ss []*Selector, fs []*Filter)
 	return p
 }
 
-func newReplica(c uint32, s string) *Replica {
-	r := NewReplica()
+func newReplica(c uint32, s string) (r Replica) {
 	r.SetCount(c)
 	r.SetSelector(s)
 	return r
 }
 
 func nodeInfoFromAttributes(props ...string) NodeInfo {
-	attrs := make([]*NodeAttribute, len(props)/2)
+	attrs := make([]NodeAttribute, len(props)/2)
 	for i := range attrs {
-		attrs[i] = NewNodeAttribute()
 		attrs[i].SetKey(props[i*2])
 		attrs[i].SetValue(props[i*2+1])
 	}
diff --git a/netmap/netmap.go b/netmap/netmap.go
index 369d9ac..5aaefc6 100644
--- a/netmap/netmap.go
+++ b/netmap/netmap.go
@@ -63,10 +63,6 @@ func (m *Netmap) GetContainerNodes(p *PlacementPolicy, pivot []byte) (ContainerN
 	result := make([]Nodes, len(p.Replicas()))
 
 	for i, r := range p.Replicas() {
-		if r == nil {
-			return nil, fmt.Errorf("%w: REPLICA", ErrMissingField)
-		}
-
 		if r.Selector() == "" {
 			if len(p.Selectors()) == 0 {
 				s := new(Selector)
diff --git a/netmap/network_info.go b/netmap/network_info.go
index 573f91b..6234beb 100644
--- a/netmap/network_info.go
+++ b/netmap/network_info.go
@@ -187,16 +187,16 @@ func (x *NetworkConfig) IterateParameters(f func(*NetworkParameter) bool) {
 }
 
 // Value returns value of the network parameter.
-func (x *NetworkConfig) SetParameters(ps ...*NetworkParameter) {
-	var psV2 []*netmap.NetworkParameter
+func (x *NetworkConfig) SetParameters(ps ...NetworkParameter) {
+	var psV2 []netmap.NetworkParameter
 
 	if ps != nil {
 		ln := len(ps)
 
-		psV2 = make([]*netmap.NetworkParameter, 0, ln)
+		psV2 = make([]netmap.NetworkParameter, ln)
 
 		for i := 0; i < ln; i++ {
-			psV2 = append(psV2, ps[i].ToV2())
+			psV2[i] = *ps[i].ToV2()
 		}
 	}
 
diff --git a/netmap/network_info_test.go b/netmap/network_info_test.go
index 33317b8..56843a4 100644
--- a/netmap/network_info_test.go
+++ b/netmap/network_info_test.go
@@ -72,19 +72,19 @@ func TestNetworkConfig_SetParameters(t *testing.T) {
 
 	require.Zero(t, called)
 
-	pps := []*NetworkParameter{
-		netmaptest.NetworkParameter(),
-		netmaptest.NetworkParameter(),
+	pps := []NetworkParameter{
+		*netmaptest.NetworkParameter(),
+		*netmaptest.NetworkParameter(),
 	}
 
 	x.SetParameters(pps...)
 
 	require.EqualValues(t, len(pps), x.NumberOfParameters())
 
-	var dst []*NetworkParameter
+	var dst []NetworkParameter
 
 	x.IterateParameters(func(p *NetworkParameter) bool {
-		dst = append(dst, p)
+		dst = append(dst, *p)
 		called++
 		return false
 	})
diff --git a/netmap/node_info.go b/netmap/node_info.go
index 3a3b57f..040589f 100644
--- a/netmap/node_info.go
+++ b/netmap/node_info.go
@@ -20,7 +20,7 @@ type (
 	}
 
 	// Nodes represents slice of graph leafs.
-	Nodes []*Node
+	Nodes []Node
 )
 
 // NodeState is an enumeration of various states of the NeoFS node.
@@ -110,7 +110,7 @@ func (n Nodes) Hash() uint64 {
 func NodesFromInfo(infos []NodeInfo) Nodes {
 	nodes := make(Nodes, len(infos))
 	for i := range infos {
-		nodes[i] = newNodeV2(i, &infos[i])
+		nodes[i] = *newNodeV2(i, &infos[i])
 	}
 
 	return nodes
@@ -142,7 +142,7 @@ func newNodeV2(index int, ni *NodeInfo) *Node {
 func (n Nodes) Weights(wf weightFunc) []float64 {
 	w := make([]float64, 0, len(n))
 	for i := range n {
-		w = append(w, wf(n[i]))
+		w = append(w, wf(&n[i]))
 	}
 
 	return w
@@ -156,7 +156,7 @@ func (n *Node) Attribute(k string) string {
 // GetBucketWeight computes weight for a Bucket.
 func GetBucketWeight(ns Nodes, a aggregator, wf weightFunc) float64 {
 	for i := range ns {
-		a.Add(wf(ns[i]))
+		a.Add(wf(&ns[i]))
 	}
 
 	return a.Compute()
@@ -355,7 +355,7 @@ func (i *NodeInfo) SetAddresses(v ...string) {
 }
 
 // Attributes returns list of the node attributes.
-func (i *NodeInfo) Attributes() []*NodeAttribute {
+func (i *NodeInfo) Attributes() []NodeAttribute {
 	if i == nil {
 		return nil
 	}
@@ -366,21 +366,21 @@ func (i *NodeInfo) Attributes() []*NodeAttribute {
 		return nil
 	}
 
-	res := make([]*NodeAttribute, 0, len(as))
+	res := make([]NodeAttribute, len(as))
 
-	for i := range as {
-		res = append(res, NewNodeAttributeFromV2(as[i]))
+	for ind := range as {
+		res[ind] = *NewNodeAttributeFromV2(&as[ind])
 	}
 
 	return res
 }
 
 // SetAttributes sets list of the node attributes.
-func (i *NodeInfo) SetAttributes(as ...*NodeAttribute) {
-	asV2 := make([]*netmap.Attribute, 0, len(as))
+func (i *NodeInfo) SetAttributes(as ...NodeAttribute) {
+	asV2 := make([]netmap.Attribute, len(as))
 
-	for i := range as {
-		asV2 = append(asV2, as[i].ToV2())
+	for ind := range as {
+		asV2[ind] = *as[ind].ToV2()
 	}
 
 	(*netmap.NodeInfo)(i).
diff --git a/netmap/node_info_test.go b/netmap/node_info_test.go
index ebcd393..7363956 100644
--- a/netmap/node_info_test.go
+++ b/netmap/node_info_test.go
@@ -152,7 +152,7 @@ func TestNodeInfo_State(t *testing.T) {
 
 func TestNodeInfo_Attributes(t *testing.T) {
 	i := new(NodeInfo)
-	as := []*NodeAttribute{testNodeAttribute(), testNodeAttribute()}
+	as := []NodeAttribute{*testNodeAttribute(), *testNodeAttribute()}
 
 	i.SetAttributes(as...)
 
@@ -188,7 +188,7 @@ func TestNodeInfoEncoding(t *testing.T) {
 	i.SetPublicKey([]byte{1, 2, 3})
 	i.SetAddresses("192.168.0.1", "192.168.0.2")
 	i.SetState(NodeStateOnline)
-	i.SetAttributes(testNodeAttribute())
+	i.SetAttributes(*testNodeAttribute())
 
 	t.Run("binary", func(t *testing.T) {
 		data, err := i.Marshal()
diff --git a/netmap/policy.go b/netmap/policy.go
index f9ee1a6..aa1f336 100644
--- a/netmap/policy.go
+++ b/netmap/policy.go
@@ -46,7 +46,7 @@ func (p *PlacementPolicy) SetSubnetID(subnet *subnetid.ID) {
 }
 
 // Replicas returns list of object replica descriptors.
-func (p *PlacementPolicy) Replicas() []*Replica {
+func (p *PlacementPolicy) Replicas() []Replica {
 	rs := (*netmap.PlacementPolicy)(p).
 		GetReplicas()
 
@@ -54,24 +54,24 @@ func (p *PlacementPolicy) Replicas() []*Replica {
 		return nil
 	}
 
-	res := make([]*Replica, 0, len(rs))
+	res := make([]Replica, len(rs))
 
 	for i := range rs {
-		res = append(res, NewReplicaFromV2(rs[i]))
+		res[i] = *NewReplicaFromV2(&rs[i])
 	}
 
 	return res
 }
 
 // SetReplicas sets list of object replica descriptors.
-func (p *PlacementPolicy) SetReplicas(rs ...*Replica) {
-	var rsV2 []*netmap.Replica
+func (p *PlacementPolicy) SetReplicas(rs ...Replica) {
+	var rsV2 []netmap.Replica
 
 	if rs != nil {
-		rsV2 = make([]*netmap.Replica, 0, len(rs))
+		rsV2 = make([]netmap.Replica, len(rs))
 
 		for i := range rs {
-			rsV2 = append(rsV2, rs[i].ToV2())
+			rsV2[i] = *rs[i].ToV2()
 		}
 	}
 
@@ -91,7 +91,7 @@ func (p *PlacementPolicy) SetContainerBackupFactor(f uint32) {
 }
 
 // Selector returns set of selectors to form the container's nodes subset.
-func (p *PlacementPolicy) Selectors() []*Selector {
+func (p *PlacementPolicy) Selectors() []Selector {
 	rs := (*netmap.PlacementPolicy)(p).
 		GetSelectors()
 
@@ -99,24 +99,24 @@ func (p *PlacementPolicy) Selectors() []*Selector {
 		return nil
 	}
 
-	res := make([]*Selector, 0, len(rs))
+	res := make([]Selector, len(rs))
 
 	for i := range rs {
-		res = append(res, NewSelectorFromV2(rs[i]))
+		res[i] = *NewSelectorFromV2(&rs[i])
 	}
 
 	return res
 }
 
 // SetSelectors sets set of selectors to form the container's nodes subset.
-func (p *PlacementPolicy) SetSelectors(ss ...*Selector) {
-	var ssV2 []*netmap.Selector
+func (p *PlacementPolicy) SetSelectors(ss ...Selector) {
+	var ssV2 []netmap.Selector
 
 	if ss != nil {
-		ssV2 = make([]*netmap.Selector, 0, len(ss))
+		ssV2 = make([]netmap.Selector, len(ss))
 
 		for i := range ss {
-			ssV2 = append(ssV2, ss[i].ToV2())
+			ssV2[i] = *ss[i].ToV2()
 		}
 	}
 
@@ -124,7 +124,7 @@ func (p *PlacementPolicy) SetSelectors(ss ...*Selector) {
 }
 
 // Filters returns list of named filters to reference in selectors.
-func (p *PlacementPolicy) Filters() []*Filter {
+func (p *PlacementPolicy) Filters() []Filter {
 	return filtersFromV2(
 		(*netmap.PlacementPolicy)(p).
 			GetFilters(),
@@ -132,7 +132,7 @@ func (p *PlacementPolicy) Filters() []*Filter {
 }
 
 // SetFilters sets list of named filters to reference in selectors.
-func (p *PlacementPolicy) SetFilters(fs ...*Filter) {
+func (p *PlacementPolicy) SetFilters(fs ...Filter) {
 	(*netmap.PlacementPolicy)(p).
 		SetFilters(filtersToV2(fs))
 }
diff --git a/netmap/policy_test.go b/netmap/policy_test.go
index 546bc3b..737b180 100644
--- a/netmap/policy_test.go
+++ b/netmap/policy_test.go
@@ -10,21 +10,21 @@ import (
 func TestPlacementPolicyFromV2(t *testing.T) {
 	pV2 := new(netmap.PlacementPolicy)
 
-	pV2.SetReplicas([]*netmap.Replica{
-		testReplica().ToV2(),
-		testReplica().ToV2(),
+	pV2.SetReplicas([]netmap.Replica{
+		*testReplica().ToV2(),
+		*testReplica().ToV2(),
 	})
 
 	pV2.SetContainerBackupFactor(3)
 
-	pV2.SetSelectors([]*netmap.Selector{
-		testSelector().ToV2(),
-		testSelector().ToV2(),
+	pV2.SetSelectors([]netmap.Selector{
+		*testSelector().ToV2(),
+		*testSelector().ToV2(),
 	})
 
-	pV2.SetFilters([]*netmap.Filter{
-		testFilter().ToV2(),
-		testFilter().ToV2(),
+	pV2.SetFilters([]netmap.Filter{
+		*testFilter().ToV2(),
+		*testFilter().ToV2(),
 	})
 
 	p := NewPlacementPolicyFromV2(pV2)
@@ -34,7 +34,7 @@ func TestPlacementPolicyFromV2(t *testing.T) {
 
 func TestPlacementPolicy_Replicas(t *testing.T) {
 	p := NewPlacementPolicy()
-	rs := []*Replica{testReplica(), testReplica()}
+	rs := []Replica{*testReplica(), *testReplica()}
 
 	p.SetReplicas(rs...)
 
@@ -52,7 +52,7 @@ func TestPlacementPolicy_ContainerBackupFactor(t *testing.T) {
 
 func TestPlacementPolicy_Selectors(t *testing.T) {
 	p := NewPlacementPolicy()
-	ss := []*Selector{testSelector(), testSelector()}
+	ss := []Selector{*testSelector(), *testSelector()}
 
 	p.SetSelectors(ss...)
 
@@ -61,7 +61,7 @@ func TestPlacementPolicy_Selectors(t *testing.T) {
 
 func TestPlacementPolicy_Filters(t *testing.T) {
 	p := NewPlacementPolicy()
-	fs := []*Filter{testFilter(), testFilter()}
+	fs := []Filter{*testFilter(), *testFilter()}
 
 	p.SetFilters(fs...)
 
diff --git a/netmap/replica_test.go b/netmap/replica_test.go
index c1b0dba..d7d3f44 100644
--- a/netmap/replica_test.go
+++ b/netmap/replica_test.go
@@ -57,7 +57,7 @@ func TestReplicaEncoding(t *testing.T) {
 		data, err := r.Marshal()
 		require.NoError(t, err)
 
-		r2 := NewReplica()
+		r2 := *NewReplica()
 		require.NoError(t, r2.Unmarshal(data))
 
 		require.Equal(t, r, r2)
@@ -67,7 +67,7 @@ func TestReplicaEncoding(t *testing.T) {
 		data, err := r.MarshalJSON()
 		require.NoError(t, err)
 
-		r2 := NewReplica()
+		r2 := *NewReplica()
 		require.NoError(t, r2.UnmarshalJSON(data))
 
 		require.Equal(t, r, r2)
diff --git a/netmap/selector.go b/netmap/selector.go
index 87192a0..eb69fe8 100644
--- a/netmap/selector.go
+++ b/netmap/selector.go
@@ -14,19 +14,18 @@ type Selector netmap.Selector
 
 // processSelectors processes selectors and returns error is any of them is invalid.
 func (c *Context) processSelectors(p *PlacementPolicy) error {
-	for _, s := range p.Selectors() {
-		if s == nil {
-			return fmt.Errorf("%w: SELECT", ErrMissingField)
-		} else if s.Filter() != MainFilterName {
+	selectors := p.Selectors()
+	for i, s := range selectors {
+		if s.Filter() != MainFilterName {
 			_, ok := c.Filters[s.Filter()]
 			if !ok {
 				return fmt.Errorf("%w: SELECT FROM '%s'", ErrFilterNotFound, s.Filter())
 			}
 		}
 
-		c.Selectors[s.Name()] = s
+		c.Selectors[s.Name()] = &selectors[i]
 
-		result, err := c.getSelection(p, s)
+		result, err := c.getSelection(p, &s)
 		if err != nil {
 			return err
 		}
@@ -141,7 +140,7 @@ func (c *Context) getSelectionBase(subnetID *subnetid.ID, s *Selector) []nodeAtt
 		if !BelongsToSubnet(c.Netmap.Nodes[i].NodeInfo, sid) {
 			continue
 		}
-		if isMain || c.match(f, c.Netmap.Nodes[i]) {
+		if isMain || c.match(f, &c.Netmap.Nodes[i]) {
 			if attr == "" {
 				// Default attribute is transparent identifier which is different for every node.
 				result = append(result, nodeAttrPair{attr: "", nodes: Nodes{c.Netmap.Nodes[i]}})
diff --git a/netmap/selector_test.go b/netmap/selector_test.go
index 8a55303..264cb0a 100644
--- a/netmap/selector_test.go
+++ b/netmap/selector_test.go
@@ -94,13 +94,13 @@ func BenchmarkPolicyHRWType(b *testing.B) {
 	const netmapSize = 100
 
 	p := newPlacementPolicy(1,
-		[]*Replica{
+		[]Replica{
 			newReplica(1, "loc1"),
 			newReplica(1, "loc2")},
-		[]*Selector{
+		[]Selector{
 			newSelector("loc1", "Location", ClauseSame, 1, "loc1"),
 			newSelector("loc2", "Location", ClauseSame, 1, "loc2")},
-		[]*Filter{
+		[]Filter{
 			newFilter("loc1", "Location", "Shanghai", OpEQ),
 			newFilter("loc2", "Location", "Shanghai", OpNE),
 		})
@@ -139,13 +139,13 @@ func TestPlacementPolicy_DeterministicOrder(t *testing.T) {
 	const netmapSize = 100
 
 	p := newPlacementPolicy(1,
-		[]*Replica{
+		[]Replica{
 			newReplica(1, "loc1"),
 			newReplica(1, "loc2")},
-		[]*Selector{
+		[]Selector{
 			newSelector("loc1", "Location", ClauseSame, 1, "loc1"),
 			newSelector("loc2", "Location", ClauseSame, 1, "loc2")},
-		[]*Filter{
+		[]Filter{
 			newFilter("loc1", "Location", "Shanghai", OpEQ),
 			newFilter("loc2", "Location", "Shanghai", OpNE),
 		})
@@ -188,13 +188,13 @@ func TestPlacementPolicy_DeterministicOrder(t *testing.T) {
 
 func TestPlacementPolicy_ProcessSelectors(t *testing.T) {
 	p := newPlacementPolicy(2, nil,
-		[]*Selector{
+		[]Selector{
 			newSelector("SameRU", "City", ClauseSame, 2, "FromRU"),
 			newSelector("DistinctRU", "City", ClauseDistinct, 2, "FromRU"),
 			newSelector("Good", "Country", ClauseDistinct, 2, "Good"),
 			newSelector("Main", "Country", ClauseDistinct, 3, "*"),
 		},
-		[]*Filter{
+		[]Filter{
 			newFilter("FromRU", "Country", "Russia", OpEQ),
 			newFilter("Good", "Rating", "4", OpGE),
 		})
@@ -229,7 +229,7 @@ func TestPlacementPolicy_ProcessSelectors(t *testing.T) {
 		for _, res := range sel {
 			require.Equal(t, nodesInBucket, len(res), targ)
 			for j := range res {
-				require.True(t, c.applyFilter(s.Filter(), res[j]), targ)
+				require.True(t, c.applyFilter(s.Filter(), &res[j]), targ)
 			}
 		}
 	}
@@ -298,7 +298,7 @@ func TestSelectorEncoding(t *testing.T) {
 		data, err := s.Marshal()
 		require.NoError(t, err)
 
-		s2 := NewSelector()
+		s2 := *NewSelector()
 		require.NoError(t, s2.Unmarshal(data))
 
 		require.Equal(t, s, s2)
@@ -308,7 +308,7 @@ func TestSelectorEncoding(t *testing.T) {
 		data, err := s.MarshalJSON()
 		require.NoError(t, err)
 
-		s2 := NewSelector()
+		s2 := *NewSelector()
 		require.NoError(t, s2.UnmarshalJSON(data))
 
 		require.Equal(t, s, s2)
diff --git a/netmap/test/generate.go b/netmap/test/generate.go
index ae9759e..a6a54a4 100644
--- a/netmap/test/generate.go
+++ b/netmap/test/generate.go
@@ -11,7 +11,7 @@ func filter(withInner bool) *netmap.Filter {
 	x.SetOperation(netmap.OpAND)
 
 	if withInner {
-		x.SetInnerFilters(filter(false), filter(false))
+		x.SetInnerFilters(*filter(false), *filter(false))
 	}
 
 	return x
@@ -50,9 +50,9 @@ func PlacementPolicy() *netmap.PlacementPolicy {
 	x := netmap.NewPlacementPolicy()
 
 	x.SetContainerBackupFactor(9)
-	x.SetFilters(Filter(), Filter())
-	x.SetReplicas(Replica(), Replica())
-	x.SetSelectors(Selector(), Selector())
+	x.SetFilters(*Filter(), *Filter())
+	x.SetReplicas(*Replica(), *Replica())
+	x.SetSelectors(*Selector(), *Selector())
 
 	return x
 }
@@ -72,8 +72,8 @@ func NetworkConfig() *netmap.NetworkConfig {
 	x := netmap.NewNetworkConfig()
 
 	x.SetParameters(
-		NetworkParameter(),
-		NetworkParameter(),
+		*NetworkParameter(),
+		*NetworkParameter(),
 	)
 
 	return x