diff --git a/devicetypes/smartthings/hue-bulb.src/hue-bulb.groovy b/devicetypes/smartthings/hue-bulb.src/hue-bulb.groovy
index 21f6e75..20a12ec 100644
--- a/devicetypes/smartthings/hue-bulb.src/hue-bulb.groovy
+++ b/devicetypes/smartthings/hue-bulb.src/hue-bulb.groovy
@@ -16,8 +16,8 @@ metadata {
 		capability "Sensor"
 
 		command "setAdjustedColor"
-                command "reset"        
-                command "refresh"
+		command "reset"
+		command "refresh"
 	}
 
 	simulator {
@@ -68,17 +68,17 @@ def parse(description) {
 }
 
 // handle commands
-def on() {
+void on() {
 	log.trace parent.on(this)
 	sendEvent(name: "switch", value: "on")
 }
 
-def off() {
+void off() {
 	log.trace parent.off(this)
 	sendEvent(name: "switch", value: "off")
 }
 
-def nextLevel() {
+void nextLevel() {
 	def level = device.latestValue("level") as Integer ?: 0
 	if (level <= 100) {
 		level = Math.min(25 * (Math.round(level / 25) + 1), 100) as Integer
@@ -89,25 +89,25 @@ def nextLevel() {
 	setLevel(level)
 }
 
-def setLevel(percent) {
+void setLevel(percent) {
 	log.debug "Executing 'setLevel'"
 	parent.setLevel(this, percent)
 	sendEvent(name: "level", value: percent)
 }
 
-def setSaturation(percent) {
+void setSaturation(percent) {
 	log.debug "Executing 'setSaturation'"
 	parent.setSaturation(this, percent)
 	sendEvent(name: "saturation", value: percent)
 }
 
-def setHue(percent) {
+void setHue(percent) {
 	log.debug "Executing 'setHue'"
 	parent.setHue(this, percent)
 	sendEvent(name: "hue", value: percent)
 }
 
-def setColor(value) {
+void setColor(value) {
 	log.debug "setColor: ${value}, $this"
 	parent.setColor(this, value)
 	if (value.hue) { sendEvent(name: "hue", value: value.hue)}
@@ -117,25 +117,25 @@ def setColor(value) {
 	if (value.switch) { sendEvent(name: "switch", value: value.switch)}
 }
 
-def reset() {
+void reset() {
 	log.debug "Executing 'reset'"
-    def value = [level:100, hex:"#90C638", saturation:56, hue:23]
-    setAdjustedColor(value)
+	def value = [level:100, hex:"#90C638", saturation:56, hue:23]
+	setAdjustedColor(value)
 	parent.poll()
 }
 
-def setAdjustedColor(value) {
+void setAdjustedColor(value) {
 	if (value) {
-        log.trace "setAdjustedColor: ${value}"
-        def adjusted = value + [:]
-        adjusted.hue = adjustOutgoingHue(value.hue)
-        // Needed because color picker always sends 100
-        adjusted.level = null 
-        setColor(adjusted)
-    }
+		log.trace "setAdjustedColor: ${value}"
+		def adjusted = value + [:]
+		adjusted.hue = adjustOutgoingHue(value.hue)
+		// Needed because color picker always sends 100
+		adjusted.level = null
+		setColor(adjusted)
+	}
 }
 
-def refresh() {
+void refresh() {
 	log.debug "Executing 'refresh'"
 	parent.manualRefresh()
 }
diff --git a/devicetypes/smartthings/hue-lux-bulb.src/hue-lux-bulb.groovy b/devicetypes/smartthings/hue-lux-bulb.src/hue-lux-bulb.groovy
index 07b9326..ae0a5ba 100644
--- a/devicetypes/smartthings/hue-lux-bulb.src/hue-lux-bulb.groovy
+++ b/devicetypes/smartthings/hue-lux-bulb.src/hue-lux-bulb.groovy
@@ -12,48 +12,48 @@ metadata {
 		capability "Switch"
 		capability "Refresh"
 		capability "Sensor"
-       
-        command "refresh"       
+
+		command "refresh"
 	}
 
 	simulator {
 		// TODO: define status and reply messages here
 	}
-    
-    tiles(scale: 2) {
-        multiAttributeTile(name:"rich-control", type: "lighting", canChangeIcon: true){
-            tileAttribute ("device.switch", key: "PRIMARY_CONTROL") {
-              attributeState "on", label:'${name}', action:"switch.off", icon:"st.lights.philips.hue-single", backgroundColor:"#79b821", nextState:"turningOff"
-              attributeState "off", label:'${name}', action:"switch.on", icon:"st.lights.philips.hue-single", backgroundColor:"#ffffff", nextState:"turningOn"
-              attributeState "turningOn", label:'${name}', action:"switch.off", icon:"st.lights.philips.hue-single", backgroundColor:"#79b821", nextState:"turningOff"
-              attributeState "turningOff", label:'${name}', action:"switch.on", icon:"st.lights.philips.hue-single", backgroundColor:"#ffffff", nextState:"turningOn"
-            }
-            tileAttribute ("device.level", key: "SLIDER_CONTROL") {
-              attributeState "level", action:"switch level.setLevel", range:"(0..100)"
-            }
-            tileAttribute ("device.level", key: "SECONDARY_CONTROL") {
-	            attributeState "level", label: 'Level ${currentValue}%'
+
+	tiles(scale: 2) {
+		multiAttributeTile(name:"rich-control", type: "lighting", canChangeIcon: true){
+			tileAttribute ("device.switch", key: "PRIMARY_CONTROL") {
+				attributeState "on", label:'${name}', action:"switch.off", icon:"st.lights.philips.hue-single", backgroundColor:"#79b821", nextState:"turningOff"
+				attributeState "off", label:'${name}', action:"switch.on", icon:"st.lights.philips.hue-single", backgroundColor:"#ffffff", nextState:"turningOn"
+				attributeState "turningOn", label:'${name}', action:"switch.off", icon:"st.lights.philips.hue-single", backgroundColor:"#79b821", nextState:"turningOff"
+				attributeState "turningOff", label:'${name}', action:"switch.on", icon:"st.lights.philips.hue-single", backgroundColor:"#ffffff", nextState:"turningOn"
 			}
-        }
-    
+			tileAttribute ("device.level", key: "SLIDER_CONTROL") {
+				attributeState "level", action:"switch level.setLevel", range:"(0..100)"
+			}
+			tileAttribute ("device.level", key: "SECONDARY_CONTROL") {
+				attributeState "level", label: 'Level ${currentValue}%'
+			}
+		}
+
 		standardTile("switch", "device.switch", width: 2, height: 2, canChangeIcon: true) {
 			state "on", label:'${name}', action:"switch.off", icon:"st.lights.philips.hue-single", backgroundColor:"#79b821", nextState:"turningOff"
 			state "off", label:'${name}', action:"switch.on", icon:"st.lights.philips.hue-single", backgroundColor:"#ffffff", nextState:"turningOn"
 			state "turningOn", label:'${name}', action:"switch.off", icon:"st.lights.philips.hue-single", backgroundColor:"#79b821", nextState:"turningOff"
 			state "turningOff", label:'${name}', action:"switch.on", icon:"st.lights.philips.hue-single", backgroundColor:"#ffffff", nextState:"turningOn"
-        }
-        
-        controlTile("levelSliderControl", "device.level", "slider", height: 1, width: 2, inactiveLabel: false, range:"(0..100)") {
-            state "level", action:"switch level.setLevel"
-        }
-           
-        standardTile("refresh", "device.switch", inactiveLabel: false, height: 2, width: 2, decoration: "flat") {
-            state "default", label:"", action:"refresh.refresh", icon:"st.secondary.refresh"
-        }        
+		}
 
-        main(["switch"])
-        details(["rich-control", "refresh"])
-    }    
+		controlTile("levelSliderControl", "device.level", "slider", height: 1, width: 2, inactiveLabel: false, range:"(0..100)") {
+			state "level", action:"switch level.setLevel"
+		}
+
+		standardTile("refresh", "device.switch", inactiveLabel: false, height: 2, width: 2, decoration: "flat") {
+			state "default", label:"", action:"refresh.refresh", icon:"st.secondary.refresh"
+		}
+
+		main(["switch"])
+		details(["rich-control", "refresh"])
+	}
 }
 
 // parse events into attributes
@@ -74,23 +74,23 @@ def parse(description) {
 }
 
 // handle commands
-def on() {
+void on() {
 	parent.on(this)
 	sendEvent(name: "switch", value: "on")
 }
 
-def off() {
+void off() {
 	parent.off(this)
 	sendEvent(name: "switch", value: "off")
 }
 
-def setLevel(percent) {
+void setLevel(percent) {
 	log.debug "Executing 'setLevel'"
 	parent.setLevel(this, percent)
 	sendEvent(name: "level", value: percent)
 }
 
-def refresh() {
+void refresh() {
 	log.debug "Executing 'refresh'"
 	parent.manualRefresh()
 }