diff --git a/conf/defaults.yaml b/conf/defaults.yaml
index 939d79b1e5c..219aff24dbc 100644
--- a/conf/defaults.yaml
+++ b/conf/defaults.yaml
@@ -82,8 +82,7 @@ nimbus.thrift.tls.client.auth.required: true
 topology.worker.nimbus.thrift.client.use.tls: false
 nimbus.childopts: "-Xmx1024m"
 nimbus.task.timeout.secs: 30
-# Deprecated since 3.1.0 and unused; supervisor liveness is tracked via ephemeral ZooKeeper nodes, so Nimbus does not time supervisors out. Scheduled for removal in a future release.
-nimbus.supervisor.timeout.secs: 60
+
 nimbus.monitor.freq.secs: 10
 nimbus.cleanup.inbox.freq.secs: 600
 nimbus.inbox.jar.expiration.secs: 3600
diff --git a/storm-server/src/main/java/org/apache/storm/DaemonConfig.java b/storm-server/src/main/java/org/apache/storm/DaemonConfig.java
index e535baf1baa..37ac619fb93 100644
--- a/storm-server/src/main/java/org/apache/storm/DaemonConfig.java
+++ b/storm-server/src/main/java/org/apache/storm/DaemonConfig.java
@@ -279,19 +279,7 @@ public class DaemonConfig implements Validated {
     @IsInteger
     public static final String NIMBUS_INBOX_JAR_EXPIRATION_SECS = "nimbus.inbox.jar.expiration.secs";
 
-    /**
-     * How long before a supervisor can go without heartbeating before nimbus considers it dead and stops assigning new work to it.
-     *
-     * @deprecated Unused. Supervisor liveness is tracked via an ephemeral ZooKeeper node (see
-     *     {@code StormClusterState#supervisorHeartbeat}); when a supervisor dies its ZooKeeper session
-     *     expires and the node disappears, so Nimbus detects the loss directly rather than by timing out
-     *     heartbeats. No code reads this value. It is scheduled for removal; retained for now only for
-     *     backward compatibility.
-     */
-    @Deprecated(forRemoval = true, since = "3.1.0")
-    @IsInteger
-    @IsPositiveNumber
-    public static final String NIMBUS_SUPERVISOR_TIMEOUT_SECS = "nimbus.supervisor.timeout.secs";
+
 
     /**
      * A special timeout used when a task is initially launched. During launch, this is the timeout used until the first heartbeat,