diff --git a/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/config/channelConfig.xml b/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/config/channelConfig.xml
index 4f8f11338..f4256cfce 100644
--- a/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/config/channelConfig.xml
+++ b/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/config/channelConfig.xml
@@ -7,37 +7,31 @@
 
 	<!-- Dimmer -->
 	<config-description uri="channel-type:knx:dimmer">
-		<parameter name="switch" type="text">
+		<parameter name="switch" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to toggle the dimmer on or off</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="position" type="text">
+		<parameter name="position" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to set the absolute position of the dimmer</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="increaseDecrease" type="text">
+		<parameter name="increaseDecrease" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to increase or decrease the dimmer</description>
-			<required>false</required>
 		</parameter>
 	</config-description>
 	<config-description uri="channel-type:knx:dimmer-control">
-		<parameter name="switch" type="text">
+		<parameter name="switch" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to toggle the dimmer on or off</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="position" type="text">
+		<parameter name="position" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to set the absolute position of the dimmer</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="increaseDecrease" type="text">
+		<parameter name="increaseDecrease" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to increase or decrease the dimmer</description>
-			<required>false</required>
 		</parameter>
 		<parameter name="frequency" type="integer">
 			<label>Frequency</label>
@@ -49,47 +43,39 @@
 
 	<!-- Color -->
 	<config-description uri="channel-type:knx:color">
-		<parameter name="hsb" type="text">
+		<parameter name="hsb" type="text" required="false">
 			<label>Color Value</label>
 			<description>The group address(es) in Group Address Notation for the color value</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="switch" type="text">
+		<parameter name="switch" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to toggle the color on or off</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="position" type="text">
+		<parameter name="position" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to set the absolute position of the color</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="increaseDecrease" type="text">
+		<parameter name="increaseDecrease" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to increase or decrease the color</description>
-			<required>false</required>
 		</parameter>
 	</config-description>
 	<config-description uri="channel-type:knx:color-control">
-		<parameter name="hsb" type="text">
+		<parameter name="hsb" type="text" required="false">
 			<label>Color Value</label>
 			<description>The group address(es) in Group Address Notation for the color value</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="switch" type="text">
+		<parameter name="switch" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to toggle the color on or off</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="position" type="text">
+		<parameter name="position" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to set the absolute position of the color</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="increaseDecrease" type="text">
+		<parameter name="increaseDecrease" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to increase or decrease the color</description>
-			<required>false</required>
 		</parameter>
 		<parameter name="frequency" type="integer">
 			<label>Frequency</label>
@@ -101,29 +87,25 @@
 
 	<!-- Rollershutter -->
 	<config-description uri="channel-type:knx:rollershutter">
-		<parameter name="upDown" type="text">
+		<parameter name="upDown" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to move the shutter in the DOWN or UP direction</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="stopMove" type="text">
+		<parameter name="stopMove" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to start (MOVE) or STOP shutter movement</description>
-			<required>false</required>
 		</parameter>
-		<parameter name="position" type="text">
+		<parameter name="position" type="text" required="false">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation to set the absolute position of the shutter, in %</description>
-			<required>false</required>
 		</parameter>
 	</config-description>
 
 	<!-- Generic single-GA -->
 	<config-description uri="channel-type:knx:single">
-		<parameter name="ga" type="text">
+		<parameter name="ga" type="text" required="true">
 			<label>Address</label>
 			<description>The group address(es) in Group Address Notation</description>
-			<required>true</required>
 		</parameter>
 	</config-description>
 
diff --git a/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/thing/ip.xml b/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/thing/ip.xml
index 36fb253ed..89e2c6472 100644
--- a/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/thing/ip.xml
+++ b/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/thing/ip.xml
@@ -9,10 +9,9 @@
 		<description>This is a KNX IP interface or router</description>
 
 		<config-description>
-			<parameter name="type" type="text">
+			<parameter name="type" type="text" required="true">
 				<label>IP Connection Type</label>
 				<description>The ip connection type for connecting to the KNX bus. Could be either TUNNEL or ROUTER</description>
-				<required>true</required>
 				<options>
 					<option value="TUNNEL">Tunnel</option>
 					<option value="ROUTER">Router</option>
@@ -23,9 +22,8 @@
 				<description>Network address of the KNX/IP gateway</description>
 				<context>network-address</context>
 			</parameter>
-			<parameter name="portNumber" type="integer">
+			<parameter name="portNumber" type="integer" required="false"> <!-- Only required in TUNNEL mode -->
 				<description>Port number of the KNX/IP gateway</description>
-				<required>false</required> <!-- Only required in TUNNEL mode -->
 				<label>Port</label>
 				<default>3671</default>
 			</parameter>
diff --git a/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/thing/serial.xml b/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/thing/serial.xml
index 1a5f39510..bb7705928 100644
--- a/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/thing/serial.xml
+++ b/bundles/org.openhab.binding.knx/src/main/resources/OH-INF/thing/serial.xml
@@ -8,35 +8,30 @@
 		<label>KNX FT1.2 Interface</label>
 		<description>This is a serial interface for accessing the KNX bus</description>
 		<config-description>
-			<parameter name="serialPort" type="text">
+			<parameter name="serialPort" type="text" required="true">
 				<context>serial-port </context>
 				<label>Serial Port</label>
 				<description>The serial port to use for connecting to the KNX bus</description>
-				<required>true</required>
 			</parameter>
-			<parameter name="readingPause" type="integer">
+			<parameter name="readingPause" type="integer" required="true">
 				<label>Reading Pause</label>
 				<description>Time in milliseconds of how long should be paused between two read requests to the bus during
 					initialization</description>
-				<required>true</required>
 				<default>50</default>
 			</parameter>
-			<parameter name="responseTimeout" type="integer">
+			<parameter name="responseTimeout" type="integer" required="true">
 				<label>Response Timeout</label>
 				<description>Seconds to wait for a response from the KNX bus</description>
-				<required>true</required>
 				<default>10</default>
 			</parameter>
-			<parameter name="readRetriesLimit" type="integer">
+			<parameter name="readRetriesLimit" type="integer" required="true">
 				<label>Read Retries Limit</label>
 				<description>Limits the read retries while initialization from the KNX bus</description>
-				<required>true</required>
 				<default>3</default>
 			</parameter>
-			<parameter name="autoReconnectPeriod" type="integer">
+			<parameter name="autoReconnectPeriod" type="integer" required="true">
 				<label>Auto Reconnect Period</label>
 				<description>Seconds between connect retries when KNX link has been lost, 0 means never retry</description>
-				<required>true</required>
 				<default>0</default>
 			</parameter>
 		</config-description>