diff --git a/bundles/org.openhab.binding.serial/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.serial/src/main/resources/OH-INF/thing/thing-types.xml
index 5060e10eb08..a7249ea48dc 100644
--- a/bundles/org.openhab.binding.serial/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.serial/src/main/resources/OH-INF/thing/thing-types.xml
@@ -88,10 +88,9 @@
 		<description>Represents a device</description>
 
 		<config-description>
-			<parameter name="patternMatch" type="text">
+			<parameter name="patternMatch" type="text" required="true">
 				<label>Patern Match</label>
 				<context>pattern-match</context>
-				<required>true</required>
 				<description>Regular expression used to identify device from received data (must match the whole line)</description>
 			</parameter>
 		</config-description>
diff --git a/bundles/org.openhab.binding.serialbutton/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.serialbutton/src/main/resources/OH-INF/thing/thing-types.xml
index 3157a92c790..e753f6c3982 100644
--- a/bundles/org.openhab.binding.serialbutton/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.serialbutton/src/main/resources/OH-INF/thing/thing-types.xml
@@ -13,11 +13,10 @@
 		</channels>
 
 		<config-description>
-			<parameter name="port" type="text">
+			<parameter name="port" type="text" required="true">
 				<label>Serial Port</label>
 				<context>serial-port</context>
 				<limitToOptions>false</limitToOptions>
-				<required>true</required>
 				<description>The serial port that the button is connected to</description>
 			</parameter>
 		</config-description>
diff --git a/bundles/org.openhab.binding.sinope/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.sinope/src/main/resources/OH-INF/thing/thing-types.xml
index 335430d822e..63714b92706 100644
--- a/bundles/org.openhab.binding.sinope/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.sinope/src/main/resources/OH-INF/thing/thing-types.xml
@@ -8,26 +8,23 @@
 		<description>A Sinopé Gateway</description>
 
 		<config-description>
-			<parameter name="hostname" type="text">
+			<parameter name="hostname" type="text" required="true">
 				<label>Hostname</label>
 				<description>Hostname of the Sinopé Gateway</description>
 				<context>network-address</context>
-				<required>true</required>
 			</parameter>
 			<parameter name="port" type="integer">
 				<label>Port</label>
 				<description>The port that the Sinopé Gateway listens on</description>
 				<default>4550</default>
 			</parameter>
-			<parameter name="gatewayId" type="text">
+			<parameter name="gatewayId" type="text" required="true">
 				<label>Gateway ID</label>
 				<description>The Sinopé gateway ID (as printed on the back-side, e.g. "xxxx xxxx xxxx xxxx")</description>
-				<required>true</required>
 			</parameter>
-			<parameter name="apiKey" type="text">
+			<parameter name="apiKey" type="text" required="true">
 				<label>API Key</label>
 				<description>Use sinope-core application to generate your api key</description>
-				<required>true</required>
 			</parameter>
 			<parameter name="refresh" type="integer" required="false">
 				<label>Refresh Interval</label>
diff --git a/bundles/org.openhab.binding.sleepiq/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.sleepiq/src/main/resources/OH-INF/thing/thing-types.xml
index 1f90098565b..ebef3f07c6f 100644
--- a/bundles/org.openhab.binding.sleepiq/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.sleepiq/src/main/resources/OH-INF/thing/thing-types.xml
@@ -14,21 +14,18 @@
 		</properties>
 
 		<config-description>
-			<parameter name="username" type="text">
+			<parameter name="username" type="text" required="true">
 				<label>Username</label>
 				<description>Username of a registered SleepIQ account owner</description>
-				<required>true</required>
 			</parameter>
-			<parameter name="password" type="text">
+			<parameter name="password" type="text" required="false">
 				<context>password</context>
 				<label>Password</label>
 				<description>Password of a registered SleepIQ account owner</description>
-				<required>false</required>
 			</parameter>
-			<parameter name="pollingInterval" type="integer" min="30" step="30">
+			<parameter name="pollingInterval" type="integer" min="30" step="30" required="true">
 				<label>Polling Interval</label>
 				<description>Seconds between fetching values from the cloud service</description>
-				<required>true</required>
 				<default>60</default>
 			</parameter>
 		</config-description>
@@ -49,10 +46,9 @@
 		</channel-groups>
 
 		<config-description>
-		<parameter name="bedId" type="text">
+		<parameter name="bedId" type="text" required="true">
 		<label>Bed ID</label>
 		<description>The bed identifier identifies a specific bed</description>
-		<required>true</required>
 		</parameter>
 		</config-description>
 		</thing-type>
@@ -73,10 +69,9 @@
 		</channel-groups>
 
 		<config-description>
-			<parameter name="bedId" type="text">
+			<parameter name="bedId" type="text" required="true">
 				<label>Bed ID</label>
 				<description>The bed identifier identifies a specific bed</description>
-				<required>true</required>
 			</parameter>
 		</config-description>
 	</thing-type>
diff --git a/bundles/org.openhab.binding.smartmeter/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.smartmeter/src/main/resources/OH-INF/thing/thing-types.xml
index d679cc940e8..73a74eb6095 100644
--- a/bundles/org.openhab.binding.smartmeter/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.smartmeter/src/main/resources/OH-INF/thing/thing-types.xml
@@ -9,10 +9,9 @@
 		<label>Smart Meter</label>
 		<description>The meter device to read the SML or IEC 62056-21 messages from</description>
 		<config-description>
-			<parameter name="port" type="text">
+			<parameter name="port" type="text" required="true">
 				<label>Serial Port</label>
 				<description>The device serial port (e.g. /dev/tty0 or COM1)</description>
-				<required>true</required>
 				<limitToOptions>false</limitToOptions>
 				<context>serial-port</context>
 			</parameter>
diff --git a/bundles/org.openhab.binding.sonos/src/main/resources/OH-INF/binding/binding.xml b/bundles/org.openhab.binding.sonos/src/main/resources/OH-INF/binding/binding.xml
index dd88dd3ac4a..bdc4cada11a 100644
--- a/bundles/org.openhab.binding.sonos/src/main/resources/OH-INF/binding/binding.xml
+++ b/bundles/org.openhab.binding.sonos/src/main/resources/OH-INF/binding/binding.xml
@@ -10,12 +10,10 @@
 		<parameter name="opmlUrl" type="text">
 			<label>OPML Service URL</label>
 			<description>URL for the OPML/tunein.com service</description>
-			<required>false</required>
 		</parameter>
 		<parameter name="callbackUrl" type="text">
 			<label>Callback URL</label>
 			<description>URL to use for playing notification sounds, e.g. http://192.168.0.2:8080</description>
-			<required>false</required>
 		</parameter>
 	</config-description>
 
diff --git a/bundles/org.openhab.binding.spotify/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.spotify/src/main/resources/OH-INF/thing/thing-types.xml
index 198ed4053c3..949b5231eee 100644
--- a/bundles/org.openhab.binding.spotify/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.spotify/src/main/resources/OH-INF/thing/thing-types.xml
@@ -64,20 +64,17 @@
 		<representation-property>clientId</representation-property>
 
 		<config-description>
-			<parameter name="clientId" type="text">
-				<required>true</required>
+			<parameter name="clientId" type="text" required="true">
 				<label>Application Client ID</label>
 				<description>This is the Client ID provided by Spotify when you add a new Application for openHAB to your Spotify
 					Account. Go to https://developer.spotify.com/</description>
 			</parameter>
-			<parameter name="clientSecret" type="text">
-				<required>true</required>
+			<parameter name="clientSecret" type="text" required="true">
 				<label>Application Client Secret</label>
 				<description>This is the Client Secret provided by Spotify when you add a new Application for openHAB to your
 					Spotify Account.</description>
 			</parameter>
-			<parameter name="refreshPeriod" type="integer" min="1" max="60">
-				<required>true</required>
+			<parameter name="refreshPeriod" type="integer" min="1" max="60" required="true">
 				<default>10</default>
 				<label>Connect Refresh Period (seconds)</label>
 				<description>This is the frequency of the polling requests to the Spotify Connect Web API. There are limits to the
@@ -116,8 +113,7 @@
 		<representation-property>deviceName</representation-property>
 
 		<config-description>
-			<parameter name="deviceName" type="text">
-				<required>true</required>
+			<parameter name="deviceName" type="text" required="true">
 				<label>Spotify Device Name</label>
 				<description>This is the device name provided by Spotify.</description>
 			</parameter>
diff --git a/bundles/org.openhab.binding.squeezebox/src/main/resources/OH-INF/binding/binding.xml b/bundles/org.openhab.binding.squeezebox/src/main/resources/OH-INF/binding/binding.xml
index d0c586a0549..119caf3d9d4 100644
--- a/bundles/org.openhab.binding.squeezebox/src/main/resources/OH-INF/binding/binding.xml
+++ b/bundles/org.openhab.binding.squeezebox/src/main/resources/OH-INF/binding/binding.xml
@@ -10,7 +10,6 @@
 		<parameter name="callbackUrl" type="text">
 			<label>Callback URL</label>
 			<description>URL to use for playing notification sounds, e.g. http://192.168.0.2:8080</description>
-			<required>false</required>
 		</parameter>
 	</config-description>
 
diff --git a/bundles/org.openhab.binding.synopanalyzer/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.synopanalyzer/src/main/resources/OH-INF/thing/thing-types.xml
index 3ee79409b70..4a76987cac6 100644
--- a/bundles/org.openhab.binding.synopanalyzer/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.synopanalyzer/src/main/resources/OH-INF/thing/thing-types.xml
@@ -29,9 +29,8 @@
 				<default>60</default>
 				<advanced>true</advanced>
 			</parameter>
-			<parameter name="stationId" type="integer">
+			<parameter name="stationId" type="integer" required="true">
 				<label>Station Number</label>
-				<required>true</required>
 			</parameter>
 		</config-description>
 
diff --git a/bundles/org.openhab.binding.valloxmv/src/main/resources/OH-INF/thing/thing-types.xml b/bundles/org.openhab.binding.valloxmv/src/main/resources/OH-INF/thing/thing-types.xml
index e7393a99ad3..c637af228c3 100644
--- a/bundles/org.openhab.binding.valloxmv/src/main/resources/OH-INF/thing/thing-types.xml
+++ b/bundles/org.openhab.binding.valloxmv/src/main/resources/OH-INF/thing/thing-types.xml
@@ -55,7 +55,6 @@
 			<parameter name="updateinterval" type="integer" required="false">
 				<label>Update Interval</label>
 				<description>Data update interval in seconds (default: 60s)</description>
-				<required>false</required>
 				<default>60</default>
 			</parameter>
 		</config-description>
diff --git a/bundles/org.openhab.binding.velbus/src/main/resources/OH-INF/config/config.xml b/bundles/org.openhab.binding.velbus/src/main/resources/OH-INF/config/config.xml
index 975d35ec50a..24eab60c4db 100644
--- a/bundles/org.openhab.binding.velbus/src/main/resources/OH-INF/config/config.xml
+++ b/bundles/org.openhab.binding.velbus/src/main/resources/OH-INF/config/config.xml
@@ -5,12 +5,11 @@
 	xsi:schemaLocation="https://openhab.org/schemas/config-description/v1.0.0 https://openhab.org/schemas/config-description-1.0.0.xsd">
 
 	<config-description uri="bridge-type:velbus:bridge">
-		<parameter name="port" type="text">
+		<parameter name="port" type="text" required="true">
 			<context>serial-port</context>
 			<limitToOptions>false</limitToOptions>
 			<label>Serial Port</label>
 			<description>Select serial port (COM1, /dev/ttyS0, ...)</description>
-			<required>true</required>
 		</parameter>
 		<parameter name="timeUpdateInterval" type="integer" unit="min">
 			<label>Time Update Interval</label>
@@ -33,12 +32,10 @@
 			<context>network-address</context>
 			<label>IP Address or Hostname</label>
 			<description>IP Address or hostname of Velbus server</description>
-			<required>true</required>
 		</parameter>
-		<parameter name="port" type="integer" required="false">
+		<parameter name="port" type="integer" required="true">
 			<label>Port</label>
 			<description>Network port to communicate with Velbus server</description>
-			<required>true</required>
 		</parameter>
 		<parameter name="timeUpdateInterval" type="integer" unit="min">
 			<label>Time Update Interval</label>
diff --git a/bundles/org.openhab.binding.volvooncall/src/main/resources/OH-INF/config/config.xml b/bundles/org.openhab.binding.volvooncall/src/main/resources/OH-INF/config/config.xml
index aef24a4a262..9f53ff7d107 100644
--- a/bundles/org.openhab.binding.volvooncall/src/main/resources/OH-INF/config/config.xml
+++ b/bundles/org.openhab.binding.volvooncall/src/main/resources/OH-INF/config/config.xml
@@ -6,16 +6,14 @@
 		https://openhab.org/schemas/config-description-1.0.0.xsd">
 
 	<config-description uri="thing-type:volvooncall:vocapi">
-		<parameter name="username" type="text">
+		<parameter name="username" type="text" required="true">
 			<label>Username</label>
 			<description>Your VOC username (email)</description>
-			<required>true</required>
 		</parameter>
 
-		<parameter name="password" type="text">
+		<parameter name="password" type="text" required="true">
 			<label>Password</label>
 			<description>Your VOC password</description>
-			<required>true</required>
 			<context>password</context>
 		</parameter>
 	</config-description>