diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/aot/MqttRuntimeHints.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/aot/MqttRuntimeHints.java
index d7415fb4f7..98aea69773 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/aot/MqttRuntimeHints.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/aot/MqttRuntimeHints.java
@@ -19,9 +19,13 @@
  * {@link RuntimeHintsRegistrar} for Spring Integration MQTT module.
  *
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 6.1.9
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 class MqttRuntimeHints implements RuntimeHintsRegistrar {
 
 	@Override
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttMessageDrivenChannelAdapterParser.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttMessageDrivenChannelAdapterParser.java
index 5ca7c71e64..679265524d 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttMessageDrivenChannelAdapterParser.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttMessageDrivenChannelAdapterParser.java
@@ -18,10 +18,13 @@
  *
  * @author Gary Russell
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class MqttMessageDrivenChannelAdapterParser extends AbstractChannelAdapterParser {
 
 	@Override
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttNamespaceHandler.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttNamespaceHandler.java
index 19786fa9ef..5340c230e0 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttNamespaceHandler.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttNamespaceHandler.java
@@ -10,10 +10,13 @@
  * The namespace handler for the MqttAdapter namespace.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class MqttNamespaceHandler extends AbstractIntegrationNamespaceHandler {
 
 	@Override
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttOutboundChannelAdapterParser.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttOutboundChannelAdapterParser.java
index eadb5c520d..bce32c966f 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttOutboundChannelAdapterParser.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttOutboundChannelAdapterParser.java
@@ -18,9 +18,12 @@
  * The parser for the MqttAdapter Outbound Channel Adapter.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class MqttOutboundChannelAdapterParser extends AbstractOutboundChannelAdapterParser {
 
 	@Override
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttParserUtils.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttParserUtils.java
index 0ae8935d90..8cdd56e167 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttParserUtils.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/config/xml/MqttParserUtils.java
@@ -23,10 +23,13 @@
  *
  * @author Gary Russell
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 final class MqttParserUtils {
 
 	private MqttParserUtils() {
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/AbstractMqttClientManager.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/AbstractMqttClientManager.java
index abe0ba873c..58a5205e08 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/AbstractMqttClientManager.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/AbstractMqttClientManager.java
@@ -30,9 +30,13 @@
  * @author Artem Vozhdayenko
  * @author Artem Bilan
  * @author Christian Tzolov
+ * @author Jaehong Park
  *
  * @since 6.0
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public abstract class AbstractMqttClientManager<T, C> implements ClientManager<T, C>, ApplicationEventPublisherAware {
 
 	protected final Log logger = LogFactory.getLog(this.getClass()); // NOSONAR
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/ClientManager.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/ClientManager.java
index 98313166e5..08f5e4d775 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/ClientManager.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/ClientManager.java
@@ -20,9 +20,13 @@
  * @author Artem Bilan
  * @author Jiri Soucek
  * @author Jiandong Ma
+ * @author Jaehong Park
  *
  * @since 6.0
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public interface ClientManager<T, C> extends SmartLifecycle, MqttComponent<C> {
 
 	/**
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/DefaultMqttPahoClientFactory.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/DefaultMqttPahoClientFactory.java
index b69d9a761a..3f829d1851 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/DefaultMqttPahoClientFactory.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/DefaultMqttPahoClientFactory.java
@@ -20,10 +20,13 @@
  *
  * @author Gary Russell
  * @author Gunnar Hillert
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class DefaultMqttPahoClientFactory implements MqttPahoClientFactory {
 
 	private MqttConnectOptions options = new MqttConnectOptions();
@@ -65,6 +68,9 @@ public MqttConnectOptions getConnectionOptions() {
 		return this.options;
 	}
 
+	/**
+	 * An MQTT will message.
+	 */
 	public static class Will {
 
 		private final String topic;
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttComponent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttComponent.java
index f7ab64e7a5..96fc037358 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttComponent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttComponent.java
@@ -12,9 +12,12 @@
  * @param <T> The connection information type.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  * @since 2.5
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public interface MqttComponent<T> extends BeanNameAware {
 
 	/**
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttPahoClientFactory.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttPahoClientFactory.java
index e5e9cfe250..209b1e5f77 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttPahoClientFactory.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttPahoClientFactory.java
@@ -12,9 +12,12 @@
 
 /**
  * @author Gary Russell
+ * @author Jaehong Park
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public interface MqttPahoClientFactory {
 
 	/**
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttPahoComponent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttPahoComponent.java
index db14394a52..fbcf3fe9ff 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttPahoComponent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/MqttPahoComponent.java
@@ -10,9 +10,12 @@
  * An extension of {@link MqttComponent} for Eclipse Paho components.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  * @since 5.4
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public interface MqttPahoComponent extends MqttComponent<MqttConnectOptions> {
 
 	@Override
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/Mqttv3ClientManager.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/Mqttv3ClientManager.java
index b78235f0a7..f5773a206c 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/Mqttv3ClientManager.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/Mqttv3ClientManager.java
@@ -28,9 +28,13 @@
  * @author Artem Bilan
  * @author Christian Tzolov
  * @author Jiri Soucek
+ * @author Jaehong Park
  *
  * @since 6.0
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class Mqttv3ClientManager
 		extends AbstractMqttClientManager<IMqttAsyncClient, MqttConnectOptions>
 		implements MqttCallbackExtended {
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/Mqttv5ClientManager.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/Mqttv5ClientManager.java
index 838c0afab9..e8f5a60922 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/Mqttv5ClientManager.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/core/Mqttv5ClientManager.java
@@ -31,9 +31,13 @@
  * @author Artem Bilan
  * @author Christian Tzolov
  * @author Jiri Soucek
+ * @author Jaehong Park
  *
  * @since 6.0
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class Mqttv5ClientManager
 		extends AbstractMqttClientManager<IMqttAsyncClient, MqttConnectionOptions>
 		implements MqttCallback {
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttConnectionFailedEvent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttConnectionFailedEvent.java
index 3b54191cf6..a7a4d2e752 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttConnectionFailedEvent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttConnectionFailedEvent.java
@@ -12,11 +12,13 @@
  *
  * @author Gary Russell
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 4.2.2
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
-@SuppressWarnings("serial")
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings({"serial", "removal"})
 public class MqttConnectionFailedEvent extends MqttIntegrationEvent {
 
 	public MqttConnectionFailedEvent(Object source) {
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttIntegrationEvent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttIntegrationEvent.java
index 6d1c8c83fa..d0eb910840 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttIntegrationEvent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttIntegrationEvent.java
@@ -15,10 +15,13 @@
  *
  * @author Gary Russell
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 4.1
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
-@SuppressWarnings("serial")
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings({"serial", "removal"})
 public abstract class MqttIntegrationEvent extends IntegrationEvent {
 
 	public MqttIntegrationEvent(Object source) {
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageDeliveredEvent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageDeliveredEvent.java
index ba8f319b43..857ce79b39 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageDeliveredEvent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageDeliveredEvent.java
@@ -9,10 +9,12 @@
  * was delivered.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  * @since 4.1
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
-@SuppressWarnings("serial")
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings({"serial", "removal"})
 public class MqttMessageDeliveredEvent extends MqttMessageDeliveryEvent {
 
 	public MqttMessageDeliveredEvent(Object source, int messageId, String clientId,
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageDeliveryEvent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageDeliveryEvent.java
index 5e4e10330b..7879566392 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageDeliveryEvent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageDeliveryEvent.java
@@ -9,10 +9,12 @@
  * {@link #clientId} and {@link #clientInstance} can be used to correlate events.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  * @since 4.1
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
-@SuppressWarnings("serial")
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings({"serial", "removal"})
 public abstract class MqttMessageDeliveryEvent extends MqttIntegrationEvent {
 
 	private final int messageId;
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageNotDeliveredEvent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageNotDeliveredEvent.java
index fd38742142..5781e1583c 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageNotDeliveredEvent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageNotDeliveredEvent.java
@@ -11,10 +11,13 @@
  * was not delivered on publish operation.
  *
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 6.4
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class MqttMessageNotDeliveredEvent extends MqttMessageDeliveryEvent {
 
 	@Serial
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageSentEvent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageSentEvent.java
index 771f3fe701..5b82ddb2a2 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageSentEvent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttMessageSentEvent.java
@@ -11,10 +11,12 @@
  * has been sent.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  * @since 4.1
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
-@SuppressWarnings("serial")
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings({"serial", "removal"})
 public class MqttMessageSentEvent extends MqttMessageDeliveryEvent {
 
 	private final Message<?> message;
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttProtocolErrorEvent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttProtocolErrorEvent.java
index c2c7400d87..6a5d87b7ae 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttProtocolErrorEvent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttProtocolErrorEvent.java
@@ -10,12 +10,15 @@
  * The even representing an MQTT error occurred during client interaction.
  *
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 5.5.5
  *
  * @see org.eclipse.paho.mqttv5.client.MqttCallback#mqttErrorOccurred(MqttException)
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
-@SuppressWarnings("serial")
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings({"serial", "removal"})
 public class MqttProtocolErrorEvent extends MqttIntegrationEvent {
 
 	public MqttProtocolErrorEvent(Object source, MqttException exception) {
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttSubscribedEvent.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttSubscribedEvent.java
index 69f78a2d14..2795682eab 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttSubscribedEvent.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/event/MqttSubscribedEvent.java
@@ -6,10 +6,12 @@
 
 /**
  * @author Gary Russell
+ * @author Jaehong Park
  * @since 4.2.2
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
-@SuppressWarnings("serial")
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings({"serial", "removal"})
 public class MqttSubscribedEvent extends MqttIntegrationEvent {
 
 	private final String message;
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/AbstractMqttMessageDrivenChannelAdapter.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/AbstractMqttMessageDrivenChannelAdapter.java
index ddfd3d8ae5..987b4d8eb1 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/AbstractMqttMessageDrivenChannelAdapter.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/AbstractMqttMessageDrivenChannelAdapter.java
@@ -40,12 +40,15 @@
  * @author Artem Vozhdayenko
  * @author Jiri Soucek
  * @author Glenn Renfro
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
 @ManagedResource
 @IntegrationManagedResource
+@SuppressWarnings("removal")
 public abstract class AbstractMqttMessageDrivenChannelAdapter<T, C> extends MessageProducerSupport
 		implements ApplicationEventPublisherAware, ClientManager.ConnectCallback {
 
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/MqttPahoMessageDrivenChannelAdapter.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/MqttPahoMessageDrivenChannelAdapter.java
index 6574fee22f..0a80ffd0f5 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/MqttPahoMessageDrivenChannelAdapter.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/MqttPahoMessageDrivenChannelAdapter.java
@@ -49,10 +49,13 @@
  * @author Artem Bilan
  * @author Artem Vozhdayenko
  * @author Glenn Renfro
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class MqttPahoMessageDrivenChannelAdapter
 		extends AbstractMqttMessageDrivenChannelAdapter<IMqttAsyncClient, MqttConnectOptions>
 		implements MqttCallbackExtended, MqttPahoComponent {
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/Mqttv5PahoMessageDrivenChannelAdapter.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/Mqttv5PahoMessageDrivenChannelAdapter.java
index fda2f52421..fdc5d9e346 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/Mqttv5PahoMessageDrivenChannelAdapter.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/Mqttv5PahoMessageDrivenChannelAdapter.java
@@ -76,10 +76,13 @@
  * @author Matthias Thoma
  * @author Glenn Renfro
  * @author Goutam Adwant
+ * @author Jaehong Park
  *
  * @since 5.5.5
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class Mqttv5PahoMessageDrivenChannelAdapter
 		extends AbstractMqttMessageDrivenChannelAdapter<IMqttAsyncClient, MqttConnectionOptions>
 		implements MqttCallback, MqttComponent<MqttConnectionOptions> {
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/AbstractMqttMessageHandler.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/AbstractMqttMessageHandler.java
index b5b56b145c..e7e574e75d 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/AbstractMqttMessageHandler.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/AbstractMqttMessageHandler.java
@@ -38,10 +38,13 @@
  * @author Gary Russell
  * @author Artem Bilan
  * @author Artem Vozhdayenko
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public abstract class AbstractMqttMessageHandler<T, C> extends AbstractMessageHandler
 		implements ManageableLifecycle, ApplicationEventPublisherAware {
 
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/MqttPahoMessageHandler.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/MqttPahoMessageHandler.java
index 853b73b799..c503b1d53f 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/MqttPahoMessageHandler.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/MqttPahoMessageHandler.java
@@ -39,10 +39,13 @@
  * @author Artem Bilan
  * @author Artem Vozhdayenko
  * @author Christian Tzolov
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class MqttPahoMessageHandler extends AbstractMqttMessageHandler<IMqttAsyncClient, MqttConnectOptions>
 		implements MqttCallback, MqttPahoComponent {
 
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/Mqttv5PahoMessageHandler.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/Mqttv5PahoMessageHandler.java
index e32605bfcb..3575b2e89a 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/Mqttv5PahoMessageHandler.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/outbound/Mqttv5PahoMessageHandler.java
@@ -45,9 +45,13 @@
  * @author Artem Vozhdayenko
  * @author Glenn Renfro
  * @author Deng Pan
+ * @author Jaehong Park
  *
  * @since 5.5.5
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class Mqttv5PahoMessageHandler extends AbstractMqttMessageHandler<IMqttAsyncClient, MqttConnectionOptions>
 		implements MqttCallback, MqttComponent<MqttConnectionOptions> {
 
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/DefaultPahoMessageConverter.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/DefaultPahoMessageConverter.java
index 08aebe05b4..9daff2385d 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/DefaultPahoMessageConverter.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/DefaultPahoMessageConverter.java
@@ -28,10 +28,13 @@
  *
  * @author Gary Russell
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class DefaultPahoMessageConverter implements MqttMessageConverter, BeanFactoryAware {
 
 	private final Charset charset;
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaderAccessor.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaderAccessor.java
index 9b232ca72f..3bd3b898d1 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaderAccessor.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaderAccessor.java
@@ -12,9 +12,12 @@
  * Helper for typed access to incoming MQTT message headers.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  * @since 5.3
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public final class MqttHeaderAccessor {
 
 	private MqttHeaderAccessor() {
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaderMapper.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaderMapper.java
index 3518dba9ec..7ec7b16e3b 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaderMapper.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaderMapper.java
@@ -26,9 +26,13 @@
  * The default {@link HeaderMapper} implementation for MQTT v5 message properties mapping.
  *
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 5.5.5
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public class MqttHeaderMapper implements HeaderMapper<MqttProperties> {
 
 	private static final LogAccessor LOGGER = new LogAccessor(MqttHeaderMapper.class);
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaders.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaders.java
index 346814e7a9..c97f897f7a 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaders.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttHeaders.java
@@ -8,10 +8,13 @@
  * Spring Integration headers.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public final class MqttHeaders {
 
 	public static final String PREFIX = "mqtt_";
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttMessageConverter.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttMessageConverter.java
index f0fc34e925..a9c671ef9b 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttMessageConverter.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttMessageConverter.java
@@ -18,10 +18,13 @@
  *
  * @author Gary Russell
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 4.0
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public interface MqttMessageConverter extends MessageConverter {
 
 	/**
diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttUtils.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttUtils.java
index 197fc3badf..12c5ac5f1c 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttUtils.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/support/MqttUtils.java
@@ -19,10 +19,13 @@
  * MQTT Utilities.
  *
  * @author Gary Russell
+ * @author Jaehong Park
  *
  * @since 5.4
- *
+ * @deprecated since 7.2 in favor of the {@code spring-integration-mqtt-client} module.
  */
+@Deprecated(since = "7.2", forRemoval = true)
+@SuppressWarnings("removal")
 public final class MqttUtils {
 
 	private static final boolean PAHO_MQTTV3_PRESENT =
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/BackToBackAdapterTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/BackToBackAdapterTests.java
index e0e2db9666..9d4fa85930 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/BackToBackAdapterTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/BackToBackAdapterTests.java
@@ -52,12 +52,14 @@
  * @author Gary Russell
  * @author Artem Bilan
  * @author Glenn Renfro
+ * @author Jaehong Park
  *
  * @since 4.0
  *
  */
 @SpringJUnitConfig
 @DirtiesContext
+@SuppressWarnings("removal")
 public class BackToBackAdapterTests implements MosquittoContainerTest {
 
 	private static final long QUIESCENT_TIMEOUT = 1;
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/ClientManagerBackToBackTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/ClientManagerBackToBackTests.java
index dffb380574..a798264b54 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/ClientManagerBackToBackTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/ClientManagerBackToBackTests.java
@@ -47,9 +47,11 @@
 /**
  * @author Artem Vozhdayenko
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 6.0
  */
+@SuppressWarnings("removal")
 class ClientManagerBackToBackTests implements MosquittoContainerTest {
 
 	static final long QUIESCENT_TIMEOUT = 1L;
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/DownstreamExceptionTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/DownstreamExceptionTests.java
index 3bd59287c3..ddfc1dceef 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/DownstreamExceptionTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/DownstreamExceptionTests.java
@@ -35,12 +35,14 @@
  * @author Gary Russell
  * @author Artem Bilan
  * @author Glenn Renfro
+ * @author Jaehong Park
  *
  * @since 4.0
  *
  */
 @SpringJUnitConfig
 @DirtiesContext
+@SuppressWarnings("removal")
 public class DownstreamExceptionTests implements MosquittoContainerTest {
 
 	@Autowired
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MosquittoContainerTest.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MosquittoContainerTest.java
index bb38ada766..46a5bd7669 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MosquittoContainerTest.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MosquittoContainerTest.java
@@ -16,10 +16,12 @@
  * started only once per JVM, therefore the target Docker container is reused automatically.
  *
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 5.5.5
  */
 @Testcontainers(disabledWithoutDocker = true)
+@SuppressWarnings("removal")
 public interface MosquittoContainerTest {
 
 	GenericContainer<?> MOSQUITTO_CONTAINER =
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MqttAdapterTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MqttAdapterTests.java
index e896822074..406db9a66c 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MqttAdapterTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MqttAdapterTests.java
@@ -86,10 +86,12 @@
  * @author Artem Bilan
  * @author Artem Vozhdayenko
  * @author Glenn Renfro
+ * @author Jaehong Park
  *
  * @since 4.0
  *
  */
+@SuppressWarnings("removal")
 public class MqttAdapterTests implements TestApplicationContextAware {
 
 	private final IMqttToken alwaysComplete;
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MqttDslTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MqttDslTests.java
index fc302115c3..5ec16deabd 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MqttDslTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/MqttDslTests.java
@@ -41,11 +41,13 @@
 
 /**
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 5.1.2
  */
 @SpringJUnitConfig
 @DirtiesContext
+@SuppressWarnings("removal")
 public class MqttDslTests implements MosquittoContainerTest, TestApplicationContextAware {
 
 	@Autowired
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5AdapterTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5AdapterTests.java
index 3896859a71..87d8954745 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5AdapterTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5AdapterTests.java
@@ -43,10 +43,12 @@
  * @author Artem Vozhdayenko
  * @author Matthias Thoma
  * @author Goutam Adwant
+ * @author Jaehong Park
  *
  * @since 5.5.16
  *
  */
+@SuppressWarnings("removal")
 public class Mqttv5AdapterTests {
 
 	@Test
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5BackToBackAutomaticReconnectTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5BackToBackAutomaticReconnectTests.java
index 76e0d87345..165fca7dd9 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5BackToBackAutomaticReconnectTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5BackToBackAutomaticReconnectTests.java
@@ -38,11 +38,13 @@
 /**
  * @author Lucas Bowler
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 5.5.13
  */
 @SpringJUnitConfig
 @DirtiesContext
+@SuppressWarnings("removal")
 public class Mqttv5BackToBackAutomaticReconnectTests implements MosquittoContainerTest {
 
 	@Autowired
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5BackToBackTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5BackToBackTests.java
index cf21538e05..08487457e6 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5BackToBackTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5BackToBackTests.java
@@ -48,12 +48,14 @@
  * @author Mikhail Polivakha
  * @author Glenn Renfro
  * @author Goutam Adwant
+ * @author Jaehong Park
  *
  * @since 5.5.5
  *
  */
 @SpringJUnitConfig
 @DirtiesContext
+@SuppressWarnings("removal")
 public class Mqttv5BackToBackTests implements MosquittoContainerTest {
 
 	private static final long QUIESCENT_TIMEOUT = 1;
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5HandlerTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5HandlerTests.java
index d38d7d2299..536f5fbfcc 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5HandlerTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5HandlerTests.java
@@ -34,9 +34,11 @@
  * conversion path.
  *
  * @author Deng Pan
+ * @author Jaehong Park
  *
  * @since 7.1
  */
+@SuppressWarnings("removal")
 class Mqttv5HandlerTests {
 
 	@Test
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5ReconnectionConditionTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5ReconnectionConditionTests.java
index 68d031baa4..aef0cfc2b0 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5ReconnectionConditionTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/Mqttv5ReconnectionConditionTests.java
@@ -39,9 +39,11 @@
  * in {@link Mqttv5PahoMessageHandler}.
  *
  * @author Glenn Renfro
+ * @author Jaehong Park
  *
  * @since 7.1
  */
+@SuppressWarnings("removal")
 public class Mqttv5ReconnectionConditionTests {
 
 	@Test
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/ResubscribeAfterAutomaticReconnectTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/ResubscribeAfterAutomaticReconnectTests.java
index d3bafbdfec..ae301092c6 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/ResubscribeAfterAutomaticReconnectTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/ResubscribeAfterAutomaticReconnectTests.java
@@ -33,11 +33,13 @@
 
 /**
  * @author Artem Bilan
+ * @author Jaehong Park
  *
  * @since 6.0.3
  */
 @SpringJUnitConfig
 @DirtiesContext
+@SuppressWarnings("removal")
 public class ResubscribeAfterAutomaticReconnectTests implements MosquittoContainerTest {
 
 	@Autowired
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/config/xml/MqttMessageDrivenChannelAdapterParserTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/config/xml/MqttMessageDrivenChannelAdapterParserTests.java
index 3fc432ba93..9a5d56ae8a 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/config/xml/MqttMessageDrivenChannelAdapterParserTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/config/xml/MqttMessageDrivenChannelAdapterParserTests.java
@@ -23,12 +23,14 @@
  * @author Gary Russell
  * @author Artem Bilan
  * @author Glenn Renfro
+ * @author Jaehong Park
  *
  * @since 4.0
  *
  */
 @SpringJUnitConfig
 @DirtiesContext
+@SuppressWarnings("removal")
 public class MqttMessageDrivenChannelAdapterParserTests {
 
 	@Autowired
diff --git a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/config/xml/MqttOutboundChannelAdapterParserTests.java b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/config/xml/MqttOutboundChannelAdapterParserTests.java
index b5ea1fb386..debdbd2f77 100644
--- a/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/config/xml/MqttOutboundChannelAdapterParserTests.java
+++ b/spring-integration-mqtt/src/test/java/org/springframework/integration/mqtt/config/xml/MqttOutboundChannelAdapterParserTests.java
@@ -29,11 +29,13 @@
  * @author Gary Russell
  * @author Artem Bilan
  * @author Glenn Renfro
+ * @author Jaehong Park
  *
  * @since 4.0
  */
 @SpringJUnitConfig
 @DirtiesContext
+@SuppressWarnings("removal")
 public class MqttOutboundChannelAdapterParserTests {
 
 	@Autowired
diff --git a/src/reference/antora/modules/ROOT/pages/mqtt.adoc b/src/reference/antora/modules/ROOT/pages/mqtt.adoc
index a7943b9d8e..2d208c2638 100644
--- a/src/reference/antora/modules/ROOT/pages/mqtt.adoc
+++ b/src/reference/antora/modules/ROOT/pages/mqtt.adoc
@@ -3,6 +3,10 @@
 
 Spring Integration provides inbound and outbound channel adapters to support the Message Queueing Telemetry Transport (MQTT) protocol.
 
+IMPORTANT: Starting with version 7.2, the Paho-based `spring-integration-mqtt` module is deprecated for removal in favor of the HiveMQ-based `spring-integration-mqtt-client` module.
+The following sections describe the deprecated Paho-based adapters.
+To migrate, use the `spring-integration-mqtt-client` dependency and the components in the `org.springframework.integration.mqtt.client` packages, and adapt your client configuration to the HiveMQ MQTT client API.
+
 This dependency is required for the project:
 
 [tabs]
@@ -565,4 +569,4 @@ private void addAddRuntimeAdapter(IntegrationFlowContext flowContext, Mqttv5Clie
                 .get())
         .register();
 }
-----
\ No newline at end of file
+----
diff --git a/src/reference/antora/modules/ROOT/pages/whats-new.adoc b/src/reference/antora/modules/ROOT/pages/whats-new.adoc
index cbd447ada3..a7c4f73f80 100644
--- a/src/reference/antora/modules/ROOT/pages/whats-new.adoc
+++ b/src/reference/antora/modules/ROOT/pages/whats-new.adoc
@@ -21,6 +21,7 @@ A new `KafkaShareMessageDrivenChannelAdapter` provides a message-driven inbound
 See xref:kafka.adoc#kafka-share-inbound[Message-driven Channel Adapter for Share Groups] for more information.
 
 A new `spring-integration-mqtt-client` module has been introduced to provide similar capabilities to the existing `spring-integration-mqtt`, but based on the HiveMQ MQTT client.
+The Paho-based `spring-integration-mqtt` module is deprecated for removal in favor of this new module.
 See xref:mqtt.adoc[] for more information.
 
 A new `PayloadValidatingMessageSelector` accepts a message only if its payload passes a Spring `Validator`, such as a Bean Validation one from the `LocalValidatorFactoryBean`.