diff --git a/create/mysql.go b/create/mysql.go
index 3cbad47..1982f48 100644
--- a/create/mysql.go
+++ b/create/mysql.go
@@ -114,14 +114,14 @@ func (cmd *mySQLCmd) newMySQL(namespace string) *storage.MySQL {
 // ApplicationKongVars returns all variables which are used in the application
 // create command
 func MySQLKongVars() kong.Vars {
-	vmTypes := make([]string, len(infra.MachineTypes))
-	for i, machineType := range infra.MachineTypes {
+	vmTypes := make([]string, len(storage.MySQLMachineTypes))
+	for i, machineType := range storage.MySQLMachineTypes {
 		vmTypes[i] = string(machineType)
 	}
 
 	result := make(kong.Vars)
 	result["mysql_machine_types"] = strings.Join(vmTypes, ", ")
-	result["mysql_machine_default"] = string(infra.MachineTypes[0])
+	result["mysql_machine_default"] = string(storage.MySQLMachineTypeDefault)
 	result["mysql_location_options"] = strings.Join(storage.MySQLLocationOptions, ", ")
 	result["mysql_location_default"] = string(storage.MySQLLocationDefault)
 	result["mysql_user"] = string(storage.MySQLUser)
diff --git a/create/mysql_test.go b/create/mysql_test.go
index 8cba942..767b17e 100644
--- a/create/mysql_test.go
+++ b/create/mysql_test.go
@@ -7,7 +7,6 @@ import (
 	"testing"
 	"time"
 
-	infra "github.com/ninech/apis/infrastructure/v1alpha1"
 	meta "github.com/ninech/apis/meta/v1alpha1"
 	storage "github.com/ninech/apis/storage/v1alpha1"
 	"github.com/ninech/nctl/api"
@@ -43,8 +42,8 @@ func TestMySQL(t *testing.T) {
 		},
 		{
 			name:   "machineType",
-			create: mySQLCmd{MachineType: infra.MachineType("nine-standard-1")},
-			want:   storage.MySQLParameters{MachineType: infra.MachineType("nine-standard-1")},
+			create: mySQLCmd{MachineType: storage.MySQLMachineTypeDefault},
+			want:   storage.MySQLParameters{MachineType: storage.MySQLMachineTypeDefault},
 		},
 		{
 			name:   "sshKeys",
diff --git a/create/postgres.go b/create/postgres.go
index b4fcbdc..4c49b96 100644
--- a/create/postgres.go
+++ b/create/postgres.go
@@ -102,14 +102,14 @@ func (cmd *postgresCmd) newPostgres(namespace string) *storage.Postgres {
 // ApplicationKongVars returns all variables which are used in the application
 // create command
 func PostgresKongVars() kong.Vars {
-	vmTypes := make([]string, len(infra.MachineTypes))
-	for i, machineType := range infra.MachineTypes {
+	vmTypes := make([]string, len(storage.PostgresMachineTypes))
+	for i, machineType := range storage.PostgresMachineTypes {
 		vmTypes[i] = string(machineType)
 	}
 
 	result := make(kong.Vars)
 	result["postgres_machine_types"] = strings.Join(vmTypes, ", ")
-	result["postgres_machine_default"] = string(infra.MachineTypes[0])
+	result["postgres_machine_default"] = string(storage.PostgresMachineTypeDefault)
 	result["postgres_location_options"] = strings.Join(storage.PostgresLocationOptions, ", ")
 	result["postgres_location_default"] = string(storage.PostgresLocationDefault)
 	result["postgres_version_default"] = string(storage.PostgresVersionDefault)
diff --git a/create/postgres_test.go b/create/postgres_test.go
index ab4df25..c1ffbeb 100644
--- a/create/postgres_test.go
+++ b/create/postgres_test.go
@@ -7,7 +7,6 @@ import (
 	"testing"
 	"time"
 
-	infra "github.com/ninech/apis/infrastructure/v1alpha1"
 	meta "github.com/ninech/apis/meta/v1alpha1"
 	storage "github.com/ninech/apis/storage/v1alpha1"
 	"github.com/ninech/nctl/api"
@@ -43,8 +42,8 @@ func TestPostgres(t *testing.T) {
 		},
 		{
 			name:   "machineType",
-			create: postgresCmd{MachineType: infra.MachineType("nine-standard-1")},
-			want:   storage.PostgresParameters{MachineType: infra.MachineType("nine-standard-1")},
+			create: postgresCmd{MachineType: storage.PostgresMachineTypeDefault},
+			want:   storage.PostgresParameters{MachineType: storage.PostgresMachineTypeDefault},
 		},
 		{
 			name:   "sshKeys",