diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/activemq/ActiveMQProperties.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/activemq/ActiveMQProperties.java
index 2a6b696de5..a951fe2708 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/activemq/ActiveMQProperties.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/activemq/ActiveMQProperties.java
@@ -70,9 +70,9 @@ public class ActiveMQProperties {
 	 */
 	private Duration sendTimeout = Duration.ofMillis(0);
 
-	private Pool pool = new Pool();
+	private final Pool pool = new Pool();
 
-	private Packages packages = new Packages();
+	private final Packages packages = new Packages();
 
 	public String getBrokerUrl() {
 		return this.brokerUrl;
@@ -134,10 +134,6 @@ public class ActiveMQProperties {
 		return this.pool;
 	}
 
-	public void setPool(Pool pool) {
-		this.pool = pool;
-	}
-
 	public Packages getPackages() {
 		return this.packages;
 	}