diff --git a/pkg/container/fmt.go b/pkg/container/fmt.go
deleted file mode 100644
index ad1cada..0000000
--- a/pkg/container/fmt.go
+++ /dev/null
@@ -1,28 +0,0 @@
-package container
-
-import (
-	"fmt"
-
-	"github.com/nspcc-dev/neofs-api-go/pkg"
-	"github.com/nspcc-dev/neofs-api-go/v2/container"
-)
-
-// NewVerifiedFromV2 constructs Container from NeoFS API V2 Container message.
-// Returns error if message does not meet NeoFS API V2 specification.
-//
-// Additionally checks if message carries supported version.
-func NewVerifiedFromV2(cnrV2 *container.Container) (*Container, error) {
-	cnr := NewContainerFromV2(cnrV2)
-
-	// check version support
-	if err := pkg.IsSupportedVersion(cnr.Version()); err != nil {
-		return nil, err
-	}
-
-	// check nonce format
-	if _, err := cnr.NonceUUID(); err != nil {
-		return nil, fmt.Errorf("invalid nonce: %w", err)
-	}
-
-	return cnr, nil
-}
diff --git a/pkg/container/fmt_test.go b/pkg/container/fmt_test.go
deleted file mode 100644
index c27bdde..0000000
--- a/pkg/container/fmt_test.go
+++ /dev/null
@@ -1,49 +0,0 @@
-package container_test
-
-import (
-	"testing"
-
-	"github.com/google/uuid"
-	"github.com/nspcc-dev/neofs-api-go/pkg"
-	"github.com/nspcc-dev/neofs-api-go/pkg/container"
-	containerV2 "github.com/nspcc-dev/neofs-api-go/v2/container"
-	"github.com/stretchr/testify/require"
-)
-
-func TestNewVerifiedFromV2(t *testing.T) {
-	cnrV2 := new(containerV2.Container)
-
-	errAssert := func() {
-		_, err := container.NewVerifiedFromV2(cnrV2)
-		require.Error(t, err)
-	}
-
-	// set unsupported version
-	v := pkg.SDKVersion()
-	v.SetMajor(0)
-	require.Error(t, pkg.IsSupportedVersion(v))
-	cnrV2.SetVersion(v.ToV2())
-
-	errAssert()
-
-	// set supported version
-	v.SetMajor(2)
-	require.NoError(t, pkg.IsSupportedVersion(v))
-	cnrV2.SetVersion(v.ToV2())
-
-	errAssert()
-
-	// set invalid nonce
-	nonce := []byte{1, 2, 3}
-	cnrV2.SetNonce(nonce)
-
-	errAssert()
-
-	// set valid nonce
-	uid := uuid.New()
-	data, _ := uid.MarshalBinary()
-	cnrV2.SetNonce(data)
-
-	_, err := container.NewVerifiedFromV2(cnrV2)
-	require.NoError(t, err)
-}
diff --git a/pkg/version.go b/pkg/version.go
index a851387..928566c 100644
--- a/pkg/version.go
+++ b/pkg/version.go
@@ -74,17 +74,6 @@ func (v *Version) String() string {
 	return fmt.Sprintf("v%d.%d", v.Major(), v.Minor())
 }
 
-// IsSupportedVersion returns error if v is not supported by current SDK.
-func IsSupportedVersion(v *Version) error {
-	mjr, mnr := v.Major(), v.Minor()
-
-	if mjr != 2 || mnr > sdkMnr {
-		return fmt.Errorf("unsupported version %d.%d", mjr, mnr)
-	}
-
-	return nil
-}
-
 // Marshal marshals Version into a protobuf binary form.
 //
 // Buffer is allocated when the argument is empty.
diff --git a/pkg/version_test.go b/pkg/version_test.go
index 4586492..622e4b7 100644
--- a/pkg/version_test.go
+++ b/pkg/version_test.go
@@ -47,39 +47,6 @@ func TestSDKVersion(t *testing.T) {
 	require.Equal(t, uint32(sdkMnr), v.Minor())
 }
 
-func TestIsSupportedVersion(t *testing.T) {
-	require.Error(t, IsSupportedVersion(nil))
-
-	v := NewVersion()
-
-	v.SetMajor(1)
-	require.Error(t, IsSupportedVersion(v))
-
-	v.SetMajor(3)
-	require.Error(t, IsSupportedVersion(v))
-
-	for _, item := range []struct {
-		mjr, maxMnr uint32
-	}{
-		{
-			mjr:    2,
-			maxMnr: sdkMnr,
-		},
-	} {
-		v.SetMajor(item.mjr)
-
-		for i := uint32(0); i <= item.maxMnr; i++ {
-			v.SetMinor(i)
-
-			require.NoError(t, IsSupportedVersion(v))
-		}
-
-		v.SetMinor(item.maxMnr + 1)
-
-		require.Error(t, IsSupportedVersion(v))
-	}
-}
-
 func TestVersionEncoding(t *testing.T) {
 	v := NewVersion()
 	v.SetMajor(1)