diff --git a/cmd/frostfs-adm/internal/modules/morph/frostfsid_util.go b/cmd/frostfs-adm/internal/modules/morph/frostfsid_util.go
index 248ad76b0..cfe3c1ee9 100644
--- a/cmd/frostfs-adm/internal/modules/morph/frostfsid_util.go
+++ b/cmd/frostfs-adm/internal/modules/morph/frostfsid_util.go
@@ -5,38 +5,29 @@ import (
 
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
-	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/spf13/viper"
 )
 
-// neo-go doesn't support []util.Uint160 type:
-// https://github.com/nspcc-dev/neo-go/blob/v0.103.0/pkg/smartcontract/parameter.go#L262
-// Thus, return []smartcontract.Parameter.
-func getFrostfsIDAuthorizedKeys(v *viper.Viper, defaultOwner util.Uint160) ([]smartcontract.Parameter, error) {
-	var res []smartcontract.Parameter
-	res = append(res, smartcontract.Parameter{Type: smartcontract.Hash160Type, Value: defaultOwner})
-
-	ks := v.GetStringSlice(frostfsIDAuthorizedKeysConfigKey)
-	for i := range ks {
-		h, err := address.StringToUint160(ks[i])
-		if err == nil {
-			res = append(res, smartcontract.Parameter{Type: smartcontract.Hash160Type, Value: h})
-			continue
-		}
-
-		h, err = util.Uint160DecodeStringLE(ks[i])
-		if err == nil {
-			res = append(res, smartcontract.Parameter{Type: smartcontract.Hash160Type, Value: h})
-			continue
-		}
-
-		pk, err := keys.NewPublicKeyFromString(ks[i])
-		if err == nil {
-			res = append(res, smartcontract.Parameter{Type: smartcontract.Hash160Type, Value: pk.GetScriptHash()})
-			continue
-		}
-		return nil, fmt.Errorf("frostfsid: #%d item in authorized_keys is invalid: '%s'", i, ks[i])
+func getFrostfsIDAdmin(v *viper.Viper) (util.Uint160, bool, error) {
+	admin := v.GetString(frostfsIDAdminConfigKey)
+	if admin == "" {
+		return util.Uint160{}, false, nil
 	}
-	return res, nil
+
+	h, err := address.StringToUint160(admin)
+	if err == nil {
+		return h, true, nil
+	}
+
+	h, err = util.Uint160DecodeStringLE(admin)
+	if err == nil {
+		return h, true, nil
+	}
+
+	pk, err := keys.NewPublicKeyFromString(admin)
+	if err == nil {
+		return pk.GetScriptHash(), true, nil
+	}
+	return util.Uint160{}, true, fmt.Errorf("frostfsid: admin is invalid: '%s'", admin)
 }
diff --git a/cmd/frostfs-adm/internal/modules/morph/frostfsid_util_test.go b/cmd/frostfs-adm/internal/modules/morph/frostfsid_util_test.go
index f4b6a66f6..192dc9f12 100644
--- a/cmd/frostfs-adm/internal/modules/morph/frostfsid_util_test.go
+++ b/cmd/frostfs-adm/internal/modules/morph/frostfsid_util_test.go
@@ -6,8 +6,6 @@ import (
 
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
-	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
-	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/spf13/viper"
 	"github.com/stretchr/testify/require"
 )
@@ -20,30 +18,36 @@ func TestFrostfsIDConfig(t *testing.T) {
 		pks[i] = pk
 	}
 
-	v := viper.New()
-	v.Set("frostfsid.authorized_keys", []string{
+	fmts := []string{
 		pks[0].GetScriptHash().StringLE(),
 		address.Uint160ToString(pks[1].GetScriptHash()),
 		hex.EncodeToString(pks[2].PublicKey().UncompressedBytes()),
 		hex.EncodeToString(pks[3].PublicKey().Bytes()),
-	})
+	}
 
-	comm := util.Uint160{1, 2, 3}
-	actual, err := getFrostfsIDAuthorizedKeys(v, comm)
-	require.NoError(t, err)
-	require.Equal(t, len(pks)+1, len(actual))
-	require.Equal(t, smartcontract.Hash160Type, actual[0].Type)
-	require.Equal(t, comm, actual[0].Value)
-	for i := range pks {
-		require.Equal(t, smartcontract.Hash160Type, actual[i+1].Type)
-		require.Equal(t, pks[i].GetScriptHash(), actual[i+1].Value)
+	for i := range fmts {
+		v := viper.New()
+		v.Set("frostfsid.admin", fmts[i])
+
+		actual, found, err := getFrostfsIDAdmin(v)
+		require.NoError(t, err)
+		require.True(t, found)
+		require.Equal(t, pks[i].GetScriptHash(), actual)
 	}
 
 	t.Run("bad key", func(t *testing.T) {
 		v := viper.New()
-		v.Set("frostfsid.authorized_keys", []string{"abc"})
+		v.Set("frostfsid.admin", "abc")
 
-		_, err := getFrostfsIDAuthorizedKeys(v, comm)
+		_, found, err := getFrostfsIDAdmin(v)
 		require.Error(t, err)
+		require.True(t, found)
+	})
+	t.Run("missing key", func(t *testing.T) {
+		v := viper.New()
+
+		_, found, err := getFrostfsIDAdmin(v)
+		require.NoError(t, err)
+		require.False(t, found)
 	})
 }
diff --git a/cmd/frostfs-adm/internal/modules/morph/initialize_deploy.go b/cmd/frostfs-adm/internal/modules/morph/initialize_deploy.go
index 4ba72ef41..533fcad4d 100644
--- a/cmd/frostfs-adm/internal/modules/morph/initialize_deploy.go
+++ b/cmd/frostfs-adm/internal/modules/morph/initialize_deploy.go
@@ -47,7 +47,7 @@ const (
 	proxyContract      = "proxy"
 )
 
-const frostfsIDAuthorizedKeysConfigKey = "frostfsid.authorized_keys"
+const frostfsIDAdminConfigKey = "frostfsid.admin"
 
 var (
 	contractList = []string{
@@ -538,12 +538,16 @@ func (c *initializeContext) getContractDeployData(ctrName string, keysParam []an
 			nnsCs.Hash,
 			"container")
 	case frostfsIDContract:
-		hs, err := getFrostfsIDAuthorizedKeys(viper.GetViper(), c.CommitteeAcc.PublicKey().GetScriptHash())
+		h, found, err := getFrostfsIDAdmin(viper.GetViper())
 		if err != nil {
 			panic(err)
 		}
 
-		items = append(items, hs)
+		if found {
+			items = append(items, h)
+		} else {
+			items = append(items, nil)
+		}
 	case netmapContract:
 		md := getDefaultNetmapContractConfigMap()
 		if method == updateMethodName {