diff --git a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/artnet-bridge.xml b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/artnet-bridge.xml
index ce5b2db5b..fad3cc7d8 100644
--- a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/artnet-bridge.xml
+++ b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/artnet-bridge.xml
@@ -10,11 +10,10 @@
 			<channel id="mute" typeId="mute"/>
 		</channels>
 		<config-description>
-			<parameter name="address" type="text">
+			<parameter name="address" type="text" required="true">
 				<label>Receiver Address(es)</label>
 				<description>Network addresses of ArtNet receivers, format: address[:port][, address[:port], ...]. Default port is
 					6454.</description>
-				<required>true</required>
 			</parameter>
 			<parameter name="localaddress" type="text">
 				<label>Local Network Address</label>
diff --git a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/chaser-thing.xml b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/chaser-thing.xml
index a7ad88b25..5313518fc 100644
--- a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/chaser-thing.xml
+++ b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/chaser-thing.xml
@@ -16,21 +16,18 @@
 			<channel id="control" typeId="control"/>
 		</channels>
 		<config-description>
-			<parameter name="dmxid" type="text">
+			<parameter name="dmxid" type="text" required="true">
 				<label>DMX Channel Configuration</label>
 				<description>Format is channel[,channel, ...] or channel[/width]</description>
-				<required>true</required>
 			</parameter>
 			<parameter name="resumeafter" type="boolean">
 				<label>Resume After Finish</label>
 				<description>resume old actions after this completes</description>
 				<default>false</default>
-				<required>false</required>
 			</parameter>
-			<parameter name="steps" type="text">
+			<parameter name="steps" type="text" required="true">
 				<label>Step Configuration</label>
 				<description>fadeTime:value[, ...]:holdTime </description>
-				<required>true</required>
 			</parameter>
 		</config-description>
 	</thing-type>
diff --git a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/color-thing.xml b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/color-thing.xml
index b2ba8c8a8..1bebec0c0 100644
--- a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/color-thing.xml
+++ b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/color-thing.xml
@@ -18,10 +18,9 @@
 			<channel id="color" typeId="color"/>
 		</channels>
 		<config-description>
-			<parameter name="dmxid" type="text">
+			<parameter name="dmxid" type="text" required="true">
 				<label>DMX Channel Configuration</label>
 				<description>Format is channel[,channel, ...] or channel[/width], has to be multiple of three</description>
-				<required>true</required>
 			</parameter>
 			<parameter name="fadetime" type="integer" min="0">
 				<label>Fade Time</label>
@@ -37,7 +36,6 @@
 				<label>Turn-On Value(s)</label>
 				<description>Format is "value[, value, ...]", has to be a multiple of three. If less values than channels are
 					defined, they are reused from the beginning.</description>
-				<required>false</required>
 				<advanced>true</advanced>
 			</parameter>
 			<parameter name="turnoffvalue" type="text">
@@ -49,7 +47,6 @@
 			<parameter name="dynamicturnonvalue" type="boolean">
 				<label>Dynamic Turn-On Value</label>
 				<description>If enabled, values are stored on OFF command and restored on ON command</description>
-				<required>false</required>
 				<default>false</default>
 			</parameter>
 		</config-description>
diff --git a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/dimmer-thing.xml b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/dimmer-thing.xml
index 7e107d9b0..d4c1695ba 100644
--- a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/dimmer-thing.xml
+++ b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/dimmer-thing.xml
@@ -16,10 +16,9 @@
 			<channel id="switch" typeId="switch"/>
 		</channels>
 		<config-description>
-			<parameter name="dmxid" type="text">
+			<parameter name="dmxid" type="text" required="true">
 				<label>DMX Channel Configuration</label>
 				<description>Format is channel[,channel, ...] or channel[/width]</description>
-				<required>true</required>
 			</parameter>
 			<parameter name="fadetime" type="integer" min="0">
 				<label>Fade Time</label>
@@ -36,7 +35,6 @@
 				<description>Format is "value[, value, ...]". If less values than channels are defined, they are reused from the
 					beginning.
 				</description>
-				<required>false</required>
 				<advanced>true</advanced>
 			</parameter>
 			<parameter name="turnoffvalue" type="text">
@@ -49,7 +47,6 @@
 			<parameter name="dynamicturnonvalue" type="boolean">
 				<label>Dynamic Turn-On Value</label>
 				<description>If enabled, values are stored on OFF command and restored on ON command</description>
-				<required>false</required>
 				<default>false</default>
 			</parameter>
 		</config-description>
diff --git a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/lib485-bridge.xml b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/lib485-bridge.xml
index 70fe9f717..0bd1ea68e 100644
--- a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/lib485-bridge.xml
+++ b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/lib485-bridge.xml
@@ -10,10 +10,9 @@
 			<channel id="mute" typeId="mute"/>
 		</channels>
 		<config-description>
-			<parameter name="address" type="text">
+			<parameter name="address" type="text" required="true">
 				<label>Network Address</label>
 				<description>Network address of bridge, format: address[:port]. Default port is 9020.</description>
-				<required>true</required>
 				<default>localhost</default>
 			</parameter>
 			<parameter name="applycurve" type="text">
diff --git a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/sacn-bridge.xml b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/sacn-bridge.xml
index c594138c5..723c7e611 100644
--- a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/sacn-bridge.xml
+++ b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/sacn-bridge.xml
@@ -10,11 +10,10 @@
 			<channel id="mute" typeId="mute"/>
 		</channels>
 		<config-description>
-			<parameter name="mode" type="text">
+			<parameter name="mode" type="text" required="true">
 				<context></context>
 				<label>Transmission Mode</label>
 				<description>Set UDP mode to multicast (default)/unicast</description>
-				<required>true</required>
 				<options>
 					<option value="unicast">Unicast</option>
 					<option value="multicast">Multicast</option>
@@ -25,24 +24,20 @@
 				<label>Receiver Address(es)</label>
 				<description>Network addresses of sACN/E1.31 receivers, format: address[:port][, address[:port], ...]. Default port
 					is 5568.</description>
-				<required>false</required>
 			</parameter>
 			<parameter name="localaddress" type="text">
 				<label>Local Network Address</label>
 				<description>Network address of the sending host, format: address[:port]. Default port is 0 (random)</description>
-				<required>false</required>
 				<advanced>true</advanced>
 			</parameter>
 			<parameter name="universe" type="integer" min="1" max="63999">
 				<label>DMX Universe</label>
 				<description>ID of DMX universe (1-63999)</description>
 				<default>1</default>
-				<required>false</required>
 			</parameter>
 			<parameter name="refreshmode" type="text">
 				<label>Refresh Mode</label>
 				<description>Suppress re-transmission and refresh every 800ms or send every packet.</description>
-				<required>false</required>
 				<options>
 					<option value="always">Always</option>
 					<option value="standard">Standard</option>
@@ -53,12 +48,10 @@
 			<parameter name="applycurve" type="text">
 				<label>Apply Curve</label>
 				<description>List of channels that should use LED dim curve. Format is channel[,channel, ...] or channel[/width].</description>
-				<required>false</required>
 				<advanced>true</advanced>
 			</parameter>
 			<parameter name="refreshrate" type="decimal" min="0" max="100">
 				<description>DMX refresh rate in Hz</description>
-				<required>false</required>
 				<default>30</default>
 				<advanced>true</advanced>
 			</parameter>
diff --git a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/tunablewhite-thing.xml b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/tunablewhite-thing.xml
index 52076d7ec..2476b86aa 100644
--- a/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/tunablewhite-thing.xml
+++ b/bundles/org.openhab.binding.dmx/src/main/resources/OH-INF/thing/tunablewhite-thing.xml
@@ -18,10 +18,9 @@
 			<channel id="color_temperature" typeId="color_temperature"/>
 		</channels>
 		<config-description>
-			<parameter name="dmxid" type="text">
+			<parameter name="dmxid" type="text" required="true">
 				<label>DMX Channel Configuration</label>
 				<description>Format is channel[,channel, ...] or channel[/width], has to be an even number</description>
-				<required>true</required>
 			</parameter>
 			<parameter name="fadetime" type="integer" min="0">
 				<label>Fade Time</label>
@@ -38,7 +37,6 @@
 				<description>Format is "value[, value, ...]", has to be a multiple of two. If less values than channels are defined,
 					they are reused from the beginning.
 				</description>
-				<required>false</required>
 				<advanced>true</advanced>
 			</parameter>
 			<parameter name="turnoffvalue" type="text">
@@ -51,7 +49,6 @@
 			<parameter name="dynamicturnonvalue" type="boolean">
 				<label>Dynamic Turn-On Value</label>
 				<description>If enabled, values are stored on OFF command and restored on ON command</description>
-				<required>false</required>
 				<default>false</default>
 			</parameter>
 		</config-description>