diff --git a/server/src/main/java/org/elasticsearch/common/logging/ECSJsonLayout.java b/server/src/main/java/org/elasticsearch/common/logging/ECSJsonLayout.java
index 5e50ed45f9724..849bf96a5b13d 100644
--- a/server/src/main/java/org/elasticsearch/common/logging/ECSJsonLayout.java
+++ b/server/src/main/java/org/elasticsearch/common/logging/ECSJsonLayout.java
@@ -56,7 +56,6 @@ private KeyValuePair[] additionalFields() {
             return new KeyValuePair[] {
                 new KeyValuePair("event.dataset", dataset),
                 new KeyValuePair("trace.id", "%trace_id"),
-                new KeyValuePair("transaction.id", "%transaction_id"),
                 new KeyValuePair("elasticsearch.cluster.uuid", "%cluster_id"),
                 new KeyValuePair("elasticsearch.node.id", "%node_id"),
                 new KeyValuePair("elasticsearch.node.name", "%ESnode_name"),
diff --git a/server/src/main/java/org/elasticsearch/common/logging/TransactionIdConverter.java b/server/src/main/java/org/elasticsearch/common/logging/TransactionIdConverter.java
deleted file mode 100644
index 07f914ca5c75a..0000000000000
--- a/server/src/main/java/org/elasticsearch/common/logging/TransactionIdConverter.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-package org.elasticsearch.common.logging;
-
-import org.apache.logging.log4j.core.LogEvent;
-import org.apache.logging.log4j.core.config.plugins.Plugin;
-import org.apache.logging.log4j.core.pattern.ConverterKeys;
-import org.apache.logging.log4j.core.pattern.LogEventPatternConverter;
-import org.apache.logging.log4j.core.pattern.PatternConverter;
-import org.elasticsearch.tasks.Task;
-
-import java.util.Objects;
-
-/**
- * Pattern converter to format the transaction id provided in the traceparent header into JSON fields <code>transaction.id</code>.
- */
-@Plugin(category = PatternConverter.CATEGORY, name = "TransactionIdConverter")
-@ConverterKeys({"transaction_id"})
-public final class TransactionIdConverter extends LogEventPatternConverter {
-    /**
-     * Called by log4j2 to initialize this converter.
-     */
-    public static TransactionIdConverter newInstance(@SuppressWarnings("unused") final String[] options) {
-        return new TransactionIdConverter();
-    }
-
-    public TransactionIdConverter() {
-        super("transaction_id", "transaction_id");
-    }
-
-    public static String getTransactionId() {
-        return HeaderWarning.THREAD_CONTEXT.stream()
-            .map(t -> t.<String>getTransient(Task.TRANSACTION_ID))
-            .filter(Objects::nonNull)
-            .findFirst()
-            .orElse(null);
-    }
-
-    /**
-     * Formats the transaction.id into json fields.
-     *
-     * @param event - a log event is ignored in this method as it uses the clusterId value
-     *              from <code>NodeAndClusterIdStateListener</code> to format
-     */
-    @Override
-    public void format(LogEvent event, StringBuilder toAppendTo) {
-        String transactionId = getTransactionId();
-        if (transactionId != null) {
-            toAppendTo.append(transactionId);
-        }
-    }
-
-}
diff --git a/server/src/main/java/org/elasticsearch/rest/RestController.java b/server/src/main/java/org/elasticsearch/rest/RestController.java
index b48e411851fc7..e4cba16772757 100644
--- a/server/src/main/java/org/elasticsearch/rest/RestController.java
+++ b/server/src/main/java/org/elasticsearch/rest/RestController.java
@@ -354,7 +354,6 @@ private void tryAllHandlers(final RestRequest request, final RestChannel channel
                     String[] tokens  = traceparent.split("-");
                     if (tokens.length == 4) {
                         threadContext.putTransient(Task.TRACE_ID, tokens[1]);
-                        threadContext.putTransient(Task.TRANSACTION_ID, tokens[2]);
                     }
                     threadContext.putHeader(name, String.join(",", distinctHeaderValues));
                 } else {
diff --git a/server/src/main/java/org/elasticsearch/tasks/Task.java b/server/src/main/java/org/elasticsearch/tasks/Task.java
index a060a55750a74..beb25321310e0 100644
--- a/server/src/main/java/org/elasticsearch/tasks/Task.java
+++ b/server/src/main/java/org/elasticsearch/tasks/Task.java
@@ -32,8 +32,6 @@ public class Task {
 
     public static final String TRACE_ID = "trace.id";
 
-    public static final String TRANSACTION_ID = "transaction.id";
-
     private final long id;
 
     private final String type;