diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
index efef1e30e3df6..f836adaf35887 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml
@@ -1072,15 +1072,6 @@
     <value>/yarn/conf</value>
   </property>
 
-  <property>
-    <description>The setting that controls whether yarn system metrics is
-    published to the Timeline server (version one) or not, by RM.
-    This configuration is now deprecated in favor of
-    yarn.system-metrics-publisher.enabled.</description>
-    <name>yarn.resourcemanager.system-metrics-publisher.enabled</name>
-    <value>false</value>
-  </property>
-
   <property>
     <description>The setting that controls whether yarn system metrics is
     published on the Timeline service or not by RM And NM.</description>
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/conf/TestYarnConfiguration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/conf/TestYarnConfiguration.java
index 3b76d41af795e..c69ed03f6ddf7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/conf/TestYarnConfiguration.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/conf/TestYarnConfiguration.java
@@ -19,13 +19,22 @@
 package org.apache.hadoop.yarn.conf;
 
 import java.net.InetSocketAddress;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.TimeUnit;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
 
 import org.apache.commons.lang3.math.NumberUtils;
 import org.junit.jupiter.api.Test;
 
+import org.w3c.dom.Document;
+import org.w3c.dom.NodeList;
+
 import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotSame;
@@ -266,4 +275,31 @@ void checkRmAmExpiryIntervalSetting() throws Exception {
     assertTrue(NumberUtils.isDigits(rmAmExpiryIntervalMS1));
     assertEquals(600000, Long.parseLong(rmAmExpiryIntervalMS1));
   }
+
+  @Test
+  public void testNoDeprecationsByDefault() throws Exception {
+    // Force initialization to make sure deprecations are recorded for later calls to isDeprecated.
+    new YarnConfiguration();
+
+    // This test directly parses the default XML configuration file to check for deprecated
+    // properties, bypassing normalization logic in the Configuration class that might hide them.
+    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+    DocumentBuilder db = dbf.newDocumentBuilder();
+    List<String> deprecatedProps = new ArrayList<>();
+
+    try (InputStream is = getClass().getResourceAsStream("/yarn-default.xml")) {
+      Document doc = db.parse(is);
+      NodeList props = doc.getElementsByTagName("name");
+      for (int i = 0; i < props.getLength(); ++i) {
+        String prop = props.item(i).getTextContent();
+        if (YarnConfiguration.isDeprecated(prop)) {
+          deprecatedProps.add(prop);
+        }
+      }
+    }
+
+    assertThat(deprecatedProps)
+        .as("By default, deprecated properties should be empty: %s", deprecatedProps)
+        .isEmpty();
+  }
 }