diff --git a/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/SimpleBytes.java b/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/SimpleBytes.java
index 474ea3d97c..fff613a52a 100644
--- a/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/SimpleBytes.java
+++ b/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/SimpleBytes.java
@@ -21,7 +21,7 @@ import java.nio.charset.StandardCharsets;
 
 public class SimpleBytes
 {
-   private int step;
+   private final int step;
    private byte[] contents;
    private int index;
 
diff --git a/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/StompConnection.java b/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/StompConnection.java
index df03baf377..1929b686fd 100644
--- a/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/StompConnection.java
+++ b/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/StompConnection.java
@@ -92,7 +92,7 @@ public final class StompConnection implements RemotingConnection
 
    private final Object sendLock = new Object();
 
-   private int minLargeMessageSize;
+   private final int minLargeMessageSize;
 
    public StompFrame decode(ActiveMQBuffer buffer) throws ActiveMQStompException
    {
diff --git a/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/StompProtocolManagerFactory.java b/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/StompProtocolManagerFactory.java
index c65593b316..381b38dd79 100644
--- a/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/StompProtocolManagerFactory.java
+++ b/artemis-protocols/artemis-stomp-protocol/src/main/java/org/apache/activemq/artemis/core/protocol/stomp/StompProtocolManagerFactory.java
@@ -29,7 +29,7 @@ public class StompProtocolManagerFactory extends AbstractProtocolManagerFactory<
 
    private static final String MODULE_NAME = "artemis-stomp-protocol";
 
-   private static String[] SUPPORTED_PROTOCOLS = {STOMP_PROTOCOL_NAME};
+   private static final String[] SUPPORTED_PROTOCOLS = {STOMP_PROTOCOL_NAME};
 
    public ProtocolManager createProtocolManager(final ActiveMQServer server, final List<StompFrameInterceptor> incomingInterceptors, List<StompFrameInterceptor> outgoingInterceptors)
    {