diff --git a/cmd/frostfs-adm/internal/modules/morph/subnet.go b/cmd/frostfs-adm/internal/modules/morph/subnet.go
index 95fa9e350b..16ee060e81 100644
--- a/cmd/frostfs-adm/internal/modules/morph/subnet.go
+++ b/cmd/frostfs-adm/internal/modules/morph/subnet.go
@@ -653,55 +653,14 @@ func addCommandInheritPreRun(par *cobra.Command, subs ...*cobra.Command) {
 }
 
 // registers flags and binds sub-commands for subnet commands.
-//
-// nolint: funlen
 func init() {
-	cmdSubnetCreate.Flags().StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
-	_ = cmdSubnetCreate.MarkFlagRequired(flagSubnetWallet)
-	cmdSubnetCreate.Flags().StringP(flagSubnetAddress, "a", "", "Address in the wallet, optional")
-
-	// get subnet flags
-	cmdSubnetGet.Flags().String(flagSubnetGetID, "", "ID of the subnet to read")
-	_ = cmdSubnetAdminAdd.MarkFlagRequired(flagSubnetGetID)
-
-	// remove subnet flags
-	cmdSubnetRemove.Flags().String(flagSubnetRemoveID, "", "ID of the subnet to remove")
-	_ = cmdSubnetRemove.MarkFlagRequired(flagSubnetRemoveID)
-	cmdSubnetRemove.Flags().StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
-	_ = cmdSubnetRemove.MarkFlagRequired(flagSubnetWallet)
-	cmdSubnetRemove.Flags().StringP(flagSubnetAddress, "a", "", "Address in the wallet, optional")
-
-	// subnet administer flags
-	adminFlags := cmdSubnetAdmin.PersistentFlags()
-	adminFlags.String(flagSubnetAdminSubnet, "", "ID of the subnet to manage administrators")
-	_ = cmdSubnetAdmin.MarkFlagRequired(flagSubnetAdminSubnet)
-	adminFlags.String(flagSubnetAdminID, "", "Hex-encoded public key of the admin")
-	_ = cmdSubnetAdmin.MarkFlagRequired(flagSubnetAdminID)
-	adminFlags.StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
-	_ = cmdSubnetAdmin.MarkFlagRequired(flagSubnetWallet)
-	adminFlags.StringP(flagSubnetAddress, "a", "", "Address in the wallet, optional")
-
-	// add admin flags
-	cmdSubnetAdminAddFlags := cmdSubnetAdminAdd.Flags()
-	cmdSubnetAdminAddFlags.String(flagSubnetAdminAddGroup, "", fmt.Sprintf(
-		"Client group ID in text format (needed with --%s only)", flagSubnetAdminClient))
-	cmdSubnetAdminAddFlags.Bool(flagSubnetAdminClient, false, "Add client admin instead of node one")
-
-	// remove admin flags
-	cmdSubnetAdminRemoveFlags := cmdSubnetAdminRemove.Flags()
-	cmdSubnetAdminRemoveFlags.Bool(flagSubnetAdminClient, false, "Remove client admin instead of node one")
-
-	// client managements flags
-	clientFlags := cmdSubnetClient.PersistentFlags()
-	clientFlags.String(flagSubnetClientSubnet, "", "ID of the subnet to be managed")
-	_ = cmdSubnetClient.MarkFlagRequired(flagSubnetClientSubnet)
-	clientFlags.String(flagSubnetClientGroup, "", "ID of the client group to work with")
-	_ = cmdSubnetClient.MarkFlagRequired(flagSubnetClientGroup)
-	clientFlags.String(flagSubnetClientID, "", "Client's user ID in FrostFS system in text format")
-	_ = cmdSubnetClient.MarkFlagRequired(flagSubnetClientID)
-	clientFlags.StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
-	_ = cmdSubnetClient.MarkFlagRequired(flagSubnetWallet)
-	clientFlags.StringP(flagSubnetAddress, "a", "", "Address in the wallet, optional")
+	initCreateSubnetFlags()
+	initGetSubnetFlags()
+	initRemoveSubnetFlags()
+	initSubnetAdminFlags()
+	initSubnetAdminAddFlags()
+	initSubnetAdminRemoveFlags()
+	initClientManagementFlags()
 
 	// add all admin managing commands to corresponding command section
 	addCommandInheritPreRun(cmdSubnetAdmin,
@@ -715,14 +674,7 @@ func init() {
 		cmdSubnetClientRemove,
 	)
 
-	// subnet node flags
-	nodeFlags := cmdSubnetNode.PersistentFlags()
-	nodeFlags.StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
-	_ = cmdSubnetNode.MarkFlagRequired(flagSubnetWallet)
-	nodeFlags.String(flagSubnetNode, "", "Hex-encoded public key of the node")
-	_ = cmdSubnetNode.MarkFlagRequired(flagSubnetNode)
-	nodeFlags.String(flagSubnetNodeSubnet, "", "ID of the subnet to manage nodes")
-	_ = cmdSubnetNode.MarkFlagRequired(flagSubnetNodeSubnet)
+	initSubnetNodeFlags()
 
 	// add all node managing commands to corresponding command section
 	addCommandInheritPreRun(cmdSubnetNode,
@@ -730,10 +682,7 @@ func init() {
 		cmdSubnetNodeRemove,
 	)
 
-	// subnet global flags
-	cmdSubnetFlags := cmdSubnet.PersistentFlags()
-	cmdSubnetFlags.StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
-	_ = cmdSubnet.MarkFlagRequired(endpointFlag)
+	initSubnetGlobalFlags()
 
 	// add all subnet commands to corresponding command section
 	addCommandInheritPreRun(cmdSubnet,
@@ -746,6 +695,77 @@ func init() {
 	)
 }
 
+func initSubnetGlobalFlags() {
+	cmdSubnetFlags := cmdSubnet.PersistentFlags()
+	cmdSubnetFlags.StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
+	_ = cmdSubnet.MarkFlagRequired(endpointFlag)
+}
+
+func initSubnetNodeFlags() {
+	nodeFlags := cmdSubnetNode.PersistentFlags()
+	nodeFlags.StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
+	_ = cmdSubnetNode.MarkFlagRequired(flagSubnetWallet)
+	nodeFlags.String(flagSubnetNode, "", "Hex-encoded public key of the node")
+	_ = cmdSubnetNode.MarkFlagRequired(flagSubnetNode)
+	nodeFlags.String(flagSubnetNodeSubnet, "", "ID of the subnet to manage nodes")
+	_ = cmdSubnetNode.MarkFlagRequired(flagSubnetNodeSubnet)
+}
+
+func initClientManagementFlags() {
+	clientFlags := cmdSubnetClient.PersistentFlags()
+	clientFlags.String(flagSubnetClientSubnet, "", "ID of the subnet to be managed")
+	_ = cmdSubnetClient.MarkFlagRequired(flagSubnetClientSubnet)
+	clientFlags.String(flagSubnetClientGroup, "", "ID of the client group to work with")
+	_ = cmdSubnetClient.MarkFlagRequired(flagSubnetClientGroup)
+	clientFlags.String(flagSubnetClientID, "", "Client's user ID in FrostFS system in text format")
+	_ = cmdSubnetClient.MarkFlagRequired(flagSubnetClientID)
+	clientFlags.StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
+	_ = cmdSubnetClient.MarkFlagRequired(flagSubnetWallet)
+	clientFlags.StringP(flagSubnetAddress, "a", "", "Address in the wallet, optional")
+}
+
+func initSubnetAdminRemoveFlags() {
+	cmdSubnetAdminRemoveFlags := cmdSubnetAdminRemove.Flags()
+	cmdSubnetAdminRemoveFlags.Bool(flagSubnetAdminClient, false, "Remove client admin instead of node one")
+}
+
+func initSubnetAdminAddFlags() {
+	cmdSubnetAdminAddFlags := cmdSubnetAdminAdd.Flags()
+	cmdSubnetAdminAddFlags.String(flagSubnetAdminAddGroup, "", fmt.Sprintf(
+		"Client group ID in text format (needed with --%s only)", flagSubnetAdminClient))
+	cmdSubnetAdminAddFlags.Bool(flagSubnetAdminClient, false, "Add client admin instead of node one")
+}
+
+func initSubnetAdminFlags() {
+	adminFlags := cmdSubnetAdmin.PersistentFlags()
+	adminFlags.String(flagSubnetAdminSubnet, "", "ID of the subnet to manage administrators")
+	_ = cmdSubnetAdmin.MarkFlagRequired(flagSubnetAdminSubnet)
+	adminFlags.String(flagSubnetAdminID, "", "Hex-encoded public key of the admin")
+	_ = cmdSubnetAdmin.MarkFlagRequired(flagSubnetAdminID)
+	adminFlags.StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
+	_ = cmdSubnetAdmin.MarkFlagRequired(flagSubnetWallet)
+	adminFlags.StringP(flagSubnetAddress, "a", "", "Address in the wallet, optional")
+}
+
+func initRemoveSubnetFlags() {
+	cmdSubnetRemove.Flags().String(flagSubnetRemoveID, "", "ID of the subnet to remove")
+	_ = cmdSubnetRemove.MarkFlagRequired(flagSubnetRemoveID)
+	cmdSubnetRemove.Flags().StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
+	_ = cmdSubnetRemove.MarkFlagRequired(flagSubnetWallet)
+	cmdSubnetRemove.Flags().StringP(flagSubnetAddress, "a", "", "Address in the wallet, optional")
+}
+
+func initGetSubnetFlags() {
+	cmdSubnetGet.Flags().String(flagSubnetGetID, "", "ID of the subnet to read")
+	_ = cmdSubnetAdminAdd.MarkFlagRequired(flagSubnetGetID)
+}
+
+func initCreateSubnetFlags() {
+	cmdSubnetCreate.Flags().StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
+	_ = cmdSubnetCreate.MarkFlagRequired(flagSubnetWallet)
+	cmdSubnetCreate.Flags().StringP(flagSubnetAddress, "a", "", "Address in the wallet, optional")
+}
+
 func testInvokeMethod(key keys.PrivateKey, method string, args ...any) ([]stackitem.Item, error) {
 	c, err := getN3Client(viper.GetViper())
 	if err != nil {