diff --git a/cmd/sensor/list.go b/cmd/sensor/list.go
index 3aa9132..e3e8e2c 100644
--- a/cmd/sensor/list.go
+++ b/cmd/sensor/list.go
@@ -10,9 +10,9 @@ import (
 )
 
 var listSensorCmd = &cobra.Command{
-	Use:     "ls",
+	Use:     "list",
 	Short:   "List Sensors",
-	Aliases: []string{"list"},
+	Aliases: []string{"ls"},
 	Run: func(cmd *cobra.Command, args []string) {
 		// read configuration
 		fc, err := config.Read(cfg)
diff --git a/cmd/sensor/rm.go b/cmd/sensor/remove.go
similarity index 93%
rename from cmd/sensor/rm.go
rename to cmd/sensor/remove.go
index 2b8dd18..d266e1a 100644
--- a/cmd/sensor/rm.go
+++ b/cmd/sensor/remove.go
@@ -8,10 +8,10 @@ import (
 )
 
 var rmSensorCmd = &cobra.Command{
-	Use:     "rm",
+	Use:     "remove",
 	Short:   "Remove Sensor",
 	Example: "flucky sensor rm outdoor",
-	Aliases: []string{"remove"},
+	Aliases: []string{"rm"},
 	Args:    cobra.ExactArgs(1),
 	Run: func(cmd *cobra.Command, args []string) {
 		// read configuration
diff --git a/pkg/config/flucky.go b/pkg/config/flucky.go
index 27cc573..636e3d5 100644
--- a/pkg/config/flucky.go
+++ b/pkg/config/flucky.go
@@ -11,6 +11,17 @@ import (
 	"github.com/volker-raschek/flucky/pkg/types"
 )
 
+var humiditySensorModels = map[types.SensorModel]types.SensorModel{
+	types.DHT11: types.DHT11,
+	types.DHT22: types.DHT22,
+}
+
+var temperatureSensorModels = map[types.SensorModel]types.SensorModel{
+	types.DHT11:   types.DHT11,
+	types.DHT22:   types.DHT22,
+	types.DS18B20: types.DS18B20,
+}
+
 // Configuration of flucky
 type Configuration struct {
 	Device  *types.Device   `json:"device"`
@@ -119,27 +130,25 @@ func (c *Configuration) EnableSensor(name string) error {
 
 // GetHumiditySensors returns a list of humidity sensors
 func (c *Configuration) GetHumiditySensors(option Option) []sensor.HumiditySensor {
-	humiditySensors := c.convertHumiditySensors(c.Sensors)
+	humiditySensors := c.getHumiditySensors()
 
 	switch option {
 	case ENABLED:
 		for i, humiditySensor := range humiditySensors {
-			if !humiditySensor.GetEnabled() {
+			if !humiditySensor.SensorEnabled {
 				humiditySensors = append(humiditySensors[:i], humiditySensors[i+1:]...)
 			}
 		}
-		return humiditySensors
+		return c.convertHumiditySensors(humiditySensors)
 	case DISABLED:
 		for i, humiditySensor := range humiditySensors {
-			if humiditySensor.GetEnabled() {
+			if humiditySensor.SensorEnabled {
 				humiditySensors = append(humiditySensors[:i], humiditySensors[i+1:]...)
 			}
 		}
-		return humiditySensors
-	case ALL:
-		return humiditySensors
+		return c.convertHumiditySensors(humiditySensors)
 	default:
-		return humiditySensors
+		return c.convertHumiditySensors(humiditySensors)
 	}
 }
 
@@ -149,7 +158,7 @@ func (c *Configuration) GetHumiditySensorsByName(names []string) []sensor.Humidi
 	configHumiditySensors := make(map[string]*types.Sensor, 0)
 
 	for _, name := range names {
-		for _, s := range c.Sensors {
+		for _, s := range c.getHumiditySensors() {
 			switch name {
 			case s.SensorID:
 				configHumiditySensors[s.SensorID] = s
@@ -171,27 +180,25 @@ func (c *Configuration) GetHumiditySensorsByName(names []string) []sensor.Humidi
 
 // GetTemperatureSensors returns a list of temperature sensors
 func (c *Configuration) GetTemperatureSensors(option Option) []sensor.TemperatureSensor {
-	temperatureSensors := c.convertTemperatureSensors(c.Sensors)
+	temperatureSensors := c.getTemperatureSensors()
 
 	switch option {
 	case ENABLED:
 		for i, temperatureSensor := range temperatureSensors {
-			if !temperatureSensor.GetEnabled() {
+			if !temperatureSensor.SensorEnabled {
 				temperatureSensors = append(temperatureSensors[:i], temperatureSensors[i+1:]...)
 			}
 		}
-		return temperatureSensors
+		return c.convertTemperatureSensors(temperatureSensors)
 	case DISABLED:
 		for i, temperatureSensor := range temperatureSensors {
-			if temperatureSensor.GetEnabled() {
+			if temperatureSensor.SensorEnabled {
 				temperatureSensors = append(temperatureSensors[:i], temperatureSensors[i+1:]...)
 			}
 		}
-		return temperatureSensors
-	case ALL:
-		return temperatureSensors
+		return c.convertTemperatureSensors(temperatureSensors)
 	default:
-		return temperatureSensors
+		return c.convertTemperatureSensors(temperatureSensors)
 	}
 }
 
@@ -201,7 +208,7 @@ func (c *Configuration) GetTemperatureSensorsByName(names []string) []sensor.Tem
 	configTemperatureSensors := make(map[string]*types.Sensor, 0)
 
 	for _, name := range names {
-		for _, s := range c.Sensors {
+		for _, s := range c.getTemperatureSensors() {
 			switch name {
 			case s.SensorID:
 				configTemperatureSensors[s.SensorID] = s
@@ -272,6 +279,7 @@ func (c *Configuration) convertHumiditySensors(sensors []*types.Sensor) []sensor
 
 func (c *Configuration) convertTemperatureSensors(sensors []*types.Sensor) []sensor.TemperatureSensor {
 	temperatureSensors := make([]sensor.TemperatureSensor, 0)
+
 	for _, s := range sensors {
 		switch s.SensorModel {
 		case types.DHT11:
@@ -290,3 +298,23 @@ func (c *Configuration) convertTemperatureSensors(sensors []*types.Sensor) []sen
 	}
 	return temperatureSensors
 }
+
+func (c *Configuration) getHumiditySensors() []*types.Sensor {
+	humiditySensors := make([]*types.Sensor, 0)
+	for _, s := range c.Sensors {
+		if _, ok := humiditySensorModels[s.SensorModel]; ok {
+			humiditySensors = append(humiditySensors, s)
+		}
+	}
+	return humiditySensors
+}
+
+func (c *Configuration) getTemperatureSensors() []*types.Sensor {
+	temperatureSensors := make([]*types.Sensor, 0)
+	for _, s := range c.Sensors {
+		if _, ok := temperatureSensorModels[s.SensorModel]; ok {
+			temperatureSensors = append(temperatureSensors, s)
+		}
+	}
+	return temperatureSensors
+}
diff --git a/pkg/sensor/dht11.go b/pkg/sensor/dht11.go
index bb984bc..945f2e2 100644
--- a/pkg/sensor/dht11.go
+++ b/pkg/sensor/dht11.go
@@ -14,11 +14,6 @@ type DHT11 struct {
 	*types.Sensor
 }
 
-// GetEnabled returns a boolen if the sensor is enabled or disabled
-func (s *DHT11) GetEnabled() bool {
-	return s.SensorEnabled
-}
-
 // GetSensorModel returns the sensor model
 func (s *DHT11) GetSensorModel() types.SensorModel {
 	return s.Sensor.SensorModel
diff --git a/pkg/sensor/dht22.go b/pkg/sensor/dht22.go
index 5f542de..1740ee1 100644
--- a/pkg/sensor/dht22.go
+++ b/pkg/sensor/dht22.go
@@ -14,11 +14,6 @@ type DHT22 struct {
 	*types.Sensor
 }
 
-// GetEnabled returns a boolen if the sensor is enabled or disabled
-func (s *DHT22) GetEnabled() bool {
-	return s.SensorEnabled
-}
-
 // GetSensorModel returns the sensor model
 func (s *DHT22) GetSensorModel() types.SensorModel {
 	return s.Sensor.SensorModel
diff --git a/pkg/sensor/ds18b20.go b/pkg/sensor/ds18b20.go
index d73200b..4aaae16 100644
--- a/pkg/sensor/ds18b20.go
+++ b/pkg/sensor/ds18b20.go
@@ -14,11 +14,6 @@ type DS18B20 struct {
 	*types.Sensor
 }
 
-// GetEnabled returns a boolen if the sensor is enabled or disabled
-func (s *DS18B20) GetEnabled() bool {
-	return s.SensorEnabled
-}
-
 // GetSensorModel returns the sensor model
 func (s *DS18B20) GetSensorModel() types.SensorModel {
 	return s.Sensor.SensorModel
diff --git a/pkg/sensor/interfaces.go b/pkg/sensor/interfaces.go
index 533a28c..16c1f2f 100644
--- a/pkg/sensor/interfaces.go
+++ b/pkg/sensor/interfaces.go
@@ -4,14 +4,12 @@ import "github.com/volker-raschek/flucky/pkg/types"
 
 // HumiditySensor is a interface to describe required functions to measure humidities
 type HumiditySensor interface {
-	GetEnabled() bool
 	GetSensorModel() types.SensorModel
 	ReadHumidity() (*types.Humidity, error)
 }
 
 // TemperatureSensor is a interface to describe required functions to measure temperatures
 type TemperatureSensor interface {
-	GetEnabled() bool
 	GetSensorModel() types.SensorModel
 	ReadTemperature() (*types.Temperature, error)
 }