diff --git a/core/src/main/scala/org/apache/spark/deploy/Client.scala b/core/src/main/scala/org/apache/spark/deploy/Client.scala
index 7649258b010b8..ee511ec5370cf 100644
--- a/core/src/main/scala/org/apache/spark/deploy/Client.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/Client.scala
@@ -27,7 +27,7 @@ import org.apache.spark.rpc.{RpcEndpointRef, RpcAddress, RpcEnv, ThreadSafeRpcEn
 import org.apache.spark.{Logging, SecurityManager, SparkConf}
 import org.apache.spark.deploy.DeployMessages._
 import org.apache.spark.deploy.master.{DriverState, Master}
-import org.apache.spark.util.{SparkExitCode, Utils}
+import org.apache.spark.util.{ThreadUtils, SparkExitCode, Utils}
 
 /**
  * Proxy that relays messages to the driver.
@@ -41,7 +41,7 @@ private class ClientEndpoint(
 
   // A scheduled executor used to send messages at the specified time.
   private val forwardMessageThread =
-    Utils.newDaemonSingleThreadScheduledExecutor("client-forward-message")
+    ThreadUtils.newDaemonSingleThreadScheduledExecutor("client-forward-message")
   // Used to provide the implicit parameter of `Future` methods.
   private val forwardMessageExecutionContext =
     ExecutionContext.fromExecutor(forwardMessageThread,
diff --git a/core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala b/core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala
index c1a7fb4975c39..0247d16f38b43 100644
--- a/core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala
@@ -26,7 +26,7 @@ import org.apache.spark.deploy.{ApplicationDescription, ExecutorState}
 import org.apache.spark.deploy.DeployMessages._
 import org.apache.spark.deploy.master.Master
 import org.apache.spark.rpc._
-import org.apache.spark.util.Utils
+import org.apache.spark.util.{ThreadUtils, Utils}
 
 /**
  * Interface allowing applications to speak with a Spark deploy cluster. Takes a master URL,
@@ -70,11 +70,11 @@ private[spark] class AppClient(
       masterRpcAddresses.size, // Make sure we can register with all masters at the same time
       60L, TimeUnit.SECONDS,
       new SynchronousQueue[Runnable](),
-      Utils.namedThreadFactory("appclient-register-master-threadpool"))
+      ThreadUtils.namedThreadFactory("appclient-register-master-threadpool"))
 
     // A scheduled executor for scheduling the registration actions
     private val registrationRetryThread =
-      Utils.newDaemonSingleThreadScheduledExecutor("appclient-registration-retry-thread")
+      ThreadUtils.newDaemonSingleThreadScheduledExecutor("appclient-registration-retry-thread")
 
     override def onStart(): Unit = {
       try {
diff --git a/core/src/main/scala/org/apache/spark/deploy/master/Master.scala b/core/src/main/scala/org/apache/spark/deploy/master/Master.scala
index a8213cd410c51..6fc850be37046 100644
--- a/core/src/main/scala/org/apache/spark/deploy/master/Master.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/master/Master.scala
@@ -45,7 +45,7 @@ import org.apache.spark.deploy.rest.StandaloneRestServer
 import org.apache.spark.metrics.MetricsSystem
 import org.apache.spark.scheduler.{EventLoggingListener, ReplayListenerBus}
 import org.apache.spark.ui.SparkUI
-import org.apache.spark.util.{SignalLogger, Utils}
+import org.apache.spark.util.{ThreadUtils, SignalLogger, Utils}
 
 private[master] class Master(
     override val rpcEnv: RpcEnv,
@@ -56,7 +56,7 @@ private[master] class Master(
   extends ThreadSafeRpcEndpoint with Logging with LeaderElectable {
 
   private val forwardMessageThread =
-    Utils.newDaemonSingleThreadScheduledExecutor("master-forward-message-thread")
+    ThreadUtils.newDaemonSingleThreadScheduledExecutor("master-forward-message-thread")
 
   // TODO Remove it once we don't use akka.serialization.Serialization
   private val actorSystem = rpcEnv.asInstanceOf[AkkaRpcEnv].actorSystem
diff --git a/core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala b/core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala
index f6967cc2583f5..d9b91021496ab 100755
--- a/core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/worker/Worker.scala
@@ -36,7 +36,7 @@ import org.apache.spark.deploy.master.{DriverState, Master}
 import org.apache.spark.deploy.worker.ui.WorkerWebUI
 import org.apache.spark.metrics.MetricsSystem
 import org.apache.spark.rpc._
-import org.apache.spark.util.{SignalLogger, Utils}
+import org.apache.spark.util.{ThreadUtils, SignalLogger, Utils}
 
 private[worker] class Worker(
     override val rpcEnv: RpcEnv,
@@ -59,9 +59,9 @@ private[worker] class Worker(
 
   // A scheduled executor used to send messages at the specified time.
   private val forwordMessageScheduler =
-    Utils.newDaemonSingleThreadScheduledExecutor("worker-forward-message-scheduler")
+    ThreadUtils.newDaemonSingleThreadScheduledExecutor("worker-forward-message-scheduler")
   // A separated thread to clean up the workDir
-  private val cleanupThread = Utils.newDaemonSingleThreadExecutor("worker-cleanup-thread")
+  private val cleanupThread = ThreadUtils.newDaemonSingleThreadExecutor("worker-cleanup-thread")
   // Used to provide the implicit parameter of `Future` methods.
   private val cleanupThreadExecutor = ExecutionContext.fromExecutor(cleanupThread)
 
@@ -144,7 +144,7 @@ private[worker] class Worker(
     masterRpcAddresses.size, // Make sure we can register with all masters at the same time
     60L, TimeUnit.SECONDS,
     new SynchronousQueue[Runnable](),
-    Utils.namedThreadFactory("worker-register-master-threadpool"))
+    ThreadUtils.namedThreadFactory("worker-register-master-threadpool"))
 
   var coresUsed = 0
   var memoryUsed = 0
diff --git a/core/src/main/scala/org/apache/spark/util/Utils.scala b/core/src/main/scala/org/apache/spark/util/Utils.scala
index 154ca25c60904..2feb7341b159b 100644
--- a/core/src/main/scala/org/apache/spark/util/Utils.scala
+++ b/core/src/main/scala/org/apache/spark/util/Utils.scala
@@ -896,24 +896,6 @@ private[spark] object Utils extends Logging {
     hostPortParseResults.get(hostPort)
   }
 
-  /**
-   * Wrapper over newSingleThreadExecutor. Thread names are formatted as prefix-ID, where ID is a
-   * unique, sequentially assigned integer.
-   */
-  def newDaemonSingleThreadExecutor(prefix: String): ExecutorService = {
-    val threadFactory = namedThreadFactory(prefix)
-    Executors.newSingleThreadExecutor(threadFactory)
-  }
-
-  /**
-   * Wrapper over newSingleThreadScheduledExecutor. Thread names are formatted as prefix-ID, where
-   * ID is a unique, sequentially assigned integer.
-   */
-  def newDaemonSingleThreadScheduledExecutor(prefix: String): ScheduledExecutorService = {
-    val threadFactory = namedThreadFactory(prefix)
-    Executors.newSingleThreadScheduledExecutor(threadFactory)
-  }
-
   /**
    * Return the string to tell how long has passed in milliseconds.
    */