diff --git a/cli/root.go b/cli/root.go
index cd8a86e..adfddf4 100644
--- a/cli/root.go
+++ b/cli/root.go
@@ -11,7 +11,6 @@ import (
 	"git.cryptic.systems/volker.raschek/flucky/cli/daemon"
 	"git.cryptic.systems/volker.raschek/flucky/cli/sensor"
 	"git.cryptic.systems/volker.raschek/flucky/pkg/config"
-	"git.cryptic.systems/volker.raschek/flucky/pkg/types"
 	"github.com/Masterminds/semver"
 
 	uuid "github.com/satori/go.uuid"
@@ -62,11 +61,6 @@ func preRunError(cmd *cobra.Command, args []string) error {
 	// check if config file exists
 	if _, err := os.Stat(configFile); os.IsNotExist(err) {
 
-		hostname, err := os.Hostname()
-		if err != nil {
-			return fmt.Errorf("Failed to determine the hostname: %v", err)
-		}
-
 		// Time must be truncted for postgres. Postgres currently does not support
 		// nanoseconds which is automatically include into the go time object
 		postgresTimeStamp := time.Now()
@@ -85,12 +79,8 @@ func preRunError(cmd *cobra.Command, args []string) error {
 		// Default configuration
 		dsn := fmt.Sprintf("sqlite3://%v/sqlite.db?cache=shared&mode=memory&foreign_keys=on", defaultCacheDir)
 		cnf := config.Config{
-			Device: &types.Device{
-				ID:           uuid.NewV4().String(),
-				Name:         hostname,
-				CreationDate: postgresTimeStamp,
-			},
-			DSN: dsn,
+			DeviceID: uuid.NewV4().String(),
+			DSN:      dsn,
 		}
 
 		err = config.Write(&cnf, configFile)
diff --git a/cli/sensor/sensor.go b/cli/sensor/sensor.go
index 4199cd7..a6caaff 100644
--- a/cli/sensor/sensor.go
+++ b/cli/sensor/sensor.go
@@ -164,7 +164,7 @@ func addSensor(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	sensor.DeviceID = cnf.Device.ID
+	sensor.DeviceID = cnf.DeviceID
 
 	dsnURL, err := url.Parse(cnf.DSN)
 	if err != nil {
@@ -292,7 +292,7 @@ func listSensors(cmd *cobra.Command, args []string) error {
 	}
 
 	// add sensor entry to list
-	sensors, err := repo.GetSensorsByDeviceID(cnf.Device.ID)
+	sensors, err := repo.GetSensorsByDeviceID(cnf.DeviceID)
 	if err != nil {
 		return err
 	}
diff --git a/pkg/config/config.go b/pkg/config/config.go
index 816ef04..5a8102f 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -1,191 +1,7 @@
 package config
 
-import (
-	"fmt"
-	"os"
-	"path/filepath"
-	"regexp"
-
-	"time"
-
-	"git.cryptic.systems/volker.raschek/flucky/pkg/internal/format"
-
-	"git.cryptic.systems/volker.raschek/flucky/pkg/types"
-	uuid "github.com/satori/go.uuid"
-)
-
-var (
-	validUUID = regexp.MustCompile("^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$")
-)
-
 // Config represent the configuration
 type Config struct {
-	Device      *types.Device   `json:"device"`
-	Sensors     []*types.Sensor `json:"sensors"`
-	DSN         string          `json:"dsn"`
-	DSNFallback string          `json:"dsn_fallback"`
-}
-
-// AddSensor add a new sensor
-func (cnf *Config) AddSensor(sensor *types.Sensor) error {
-
-	// Verify that a device is configured
-	if cnf.Device == nil {
-		return fmt.Errorf("No device configured")
-	}
-
-	// Define a new UUID if the current UUID is invalid
-	if !validUUID.MatchString(sensor.ID) {
-		sensor.ID = uuid.NewV4().String()
-	}
-
-	// Verify that the sensor has a valid name
-	if len(sensor.Name) <= 0 {
-		return fmt.Errorf("No sensor name defined")
-	}
-
-	// check if sensor name and sensor uuid already exists
-	for _, cnfSensor := range cnf.Sensors {
-		if cnfSensor.Name == sensor.Name ||
-			cnfSensor.ID == sensor.ID {
-			return fmt.Errorf("Sensor with same name or id already exist")
-		}
-
-		if cnfSensor.WireID != nil &&
-			sensor.WireID != nil &&
-			*cnfSensor.WireID == *sensor.WireID {
-			return fmt.Errorf("Sensor with same wire id already exist")
-		}
-	}
-
-	// check if sensor has a valid tick time
-	if _, err := time.ParseDuration(sensor.TickDuration); err != nil {
-		return fmt.Errorf("Failed to parse tick duration: %v", err)
-	}
-
-	// check if sensor has a valid device id
-	if sensor.DeviceID != cnf.Device.ID {
-		sensor.DeviceID = cnf.Device.ID
-	}
-
-	// overwrite creation date
-	sensor.CreationDate = format.FormatedTime()
-
-	// check if wire socket is available
-	if sensor.WireID != nil {
-		socketPath := filepath.Join("/sys/bus/w1/devices", *sensor.WireID, "/w1_slave")
-		if _, err := os.Stat(socketPath); os.IsNotExist(err) {
-			return fmt.Errorf("Wire socket not found: %v", socketPath)
-		}
-	}
-
-	cnf.Sensors = append(cnf.Sensors, sensor)
-
-	return nil
-}
-
-// DisableSensor disables a sensor by its name or its unique UUID
-func (cnf *Config) DisableSensor(name string) error {
-	found := false
-
-	for _, sensor := range cnf.Sensors {
-
-		// disable sensor matched after name
-		if !validUUID.MatchString(name) &&
-			sensor.Name == name {
-			sensor.Enabled = false
-			found = true
-			break
-		}
-
-		// remove machted uuid
-		if validUUID.MatchString(name) &&
-			sensor.ID == name {
-			sensor.Enabled = false
-			found = true
-			break
-		}
-	}
-
-	if !found {
-		return fmt.Errorf("Can not found sensor %v", name)
-	}
-
-	return nil
-}
-
-// EnableSensor enables a sensor by its name or its unique UUID
-func (cnf *Config) EnableSensor(name string) error {
-	found := false
-
-	for _, sensor := range cnf.Sensors {
-
-		// disable sensor matched after name
-		if !validUUID.MatchString(name) &&
-			sensor.Name == name {
-			sensor.Enabled = true
-			found = true
-			break
-		}
-
-		// remove machted uuid
-		if validUUID.MatchString(name) &&
-			sensor.ID == name {
-			sensor.Enabled = true
-			found = true
-			break
-		}
-	}
-
-	if !found {
-		return fmt.Errorf("Can not found sensor %v", name)
-	}
-
-	return nil
-}
-
-// GetSensorByID returns a sensor matched by his id. If no sensor has this id,
-// the function returns nil
-func (cnf *Config) GetSensorByID(id string) *types.Sensor {
-	for _, sensor := range cnf.Sensors {
-		if sensor.ID == id {
-			return sensor
-		}
-	}
-	return nil
-}
-
-// RemoveSensor deletes a sensor by its name or its unique UUID, If definitive
-// is set to true, the sensor will not only be removed in the configuration file
-// but also in the backend.
-func (cnf *Config) RemoveSensor(name string) error {
-
-	for i, sensor := range cnf.Sensors {
-		// remove machted name
-		if !validUUID.MatchString(name) &&
-			sensor.Name == name {
-			cnf.Sensors = append(cnf.Sensors[:i], cnf.Sensors[i+1:]...)
-
-			return nil
-		}
-		// remove machted uuid
-		if validUUID.MatchString(name) &&
-			sensor.ID == name {
-			cnf.Sensors = append(cnf.Sensors[:i], cnf.Sensors[i+1:]...)
-
-			return nil
-		}
-	}
-	return fmt.Errorf("Can not find sensor %v", name)
-}
-
-// RenameSensor renamed a sensor
-func (cnf *Config) RenameSensor(oldName string, newName string) error {
-	for _, cnfSensor := range cnf.Sensors {
-		if cnfSensor.Name == oldName {
-			cnfSensor.Name = newName
-			return nil
-		}
-	}
-	return fmt.Errorf("No sensor %v found", oldName)
+	DeviceID string `json:"device_id"`
+	DSN      string `json:"dsn"`
 }
diff --git a/pkg/config/config_test.go b/pkg/config/config_test.go
deleted file mode 100644
index 41887d7..0000000
--- a/pkg/config/config_test.go
+++ /dev/null
@@ -1,31 +0,0 @@
-package config_test
-
-// func TestAddRemoveSensor(t *testing.T) {
-// 	require := require.New(t)
-
-// 	// Test: No device configured
-// 	cnf := new(config.Config)
-// 	err := cnf.AddSensor(&types.Sensor{ID: "1aa32c9a-b505-456d-868b-0403344f4cdf"})
-// 	require.Error(err)
-
-// 	// wireID := "sdfsdff"
-// 	// i2cBus := 1
-// 	// i2cAddress := 78
-
-// 	cnf.Device = &types.Device{ID: "d6176a06-2b0b-41af-a85c-913e8f61c35d"}
-// 	testCases := map[*types.Sensor]error{
-// 		{ID: "1aa32c9a-b505-456d-868b-0403344f4cdf", DeviceID: "d6176a06-2b0b-41af-a85c-913e8f61c35d"}:                                     fmt.Errorf("No sensor name defined"),
-// 		{ID: "1aa32c9a-b505-456d-868b-0403344f4cdf", DeviceID: "d6176a06-2b0b-41af-a85c-913e8f61c35d", Name: "Test01"}:                     fmt.Errorf("Failed to parse tick duration: time: invalid duration "),
-// 		{ID: "1aa32c9a-b505-456d-868b-0403344f4cdf", DeviceID: "d6176a06-2b0b-41af-a85c-913e8f61c35d", Name: "Test01", TickDuration: "5s"}: nil,
-// 		{ID: "1aa32c9a-b505-456d-868b-0403344f4cdf", DeviceID: "d6176a06-2b0b-41af-a85c-913e8f61c35d", Name: "Test01", TickDuration: "5s"}: fmt.Errorf("Sensor with same name or id already exist"),
-// 		// {ID: "f90cfc18-f141-4cfd-a8d2-fb40082de5cc", DeviceID: "d6176a06-2b0b-41af-a85c-913e8f61c35d", Name: "Test01", TickDuration: "5s"}: fmt.Errorf("Sensor with same name or id already exist"),
-// 		// {ID: "860a9922-62cb-4c9b-b5af-5fa783cebe9d", DeviceID: "d6176a06-2b0b-41af-a85c-913e8f61c35d", Name: "Test02", TickDuration: "5s", WireID: &wireID}: fmt.Errorf("Wire socket not found: /sys/bus/w1/devices/sdfsdff/w1_slave"),
-// 		// {ID: "9be8989c-b2a1-4401-a82f-d6989ec226fe", DeviceID: "d6176a06-2b0b-41af-a85c-913e8f61c35d", Name: "Test02", TickDuration: "5s"}:                  nil,
-// 	}
-
-// 	for sensor, expectedErr := range testCases {
-// 		err := cnf.AddSensor(sensor)
-// 		require.Equal(expectedErr, err)
-// 	}
-
-// }
diff --git a/pkg/daemon/daemon.go b/pkg/daemon/daemon.go
index 35d52ce..ff718f6 100644
--- a/pkg/daemon/daemon.go
+++ b/pkg/daemon/daemon.go
@@ -30,17 +30,26 @@ func Start(cnf *config.Config, flogger logger.Logger) error {
 	}
 
 	// Add
-	repoDevice, err := repo.GetDevice(cnf.Device.ID)
+	repoDevice, err := repo.GetDevice(cnf.DeviceID)
 	switch {
 	case err != nil:
 		return err
 	case repoDevice == nil:
-		err = repo.AddDevices(cnf.Device)
+
+		hostname, err := os.Hostname()
 		if err != nil {
 			return err
 		}
 
-		repoDevice, err = repo.GetDevice(cnf.Device.ID)
+		err = repo.AddDevices(&types.Device{
+			ID:   cnf.DeviceID,
+			Name: hostname,
+		})
+		if err != nil {
+			return err
+		}
+
+		repoDevice, err = repo.GetDevice(cnf.DeviceID)
 		if err != nil {
 			return err
 		}