diff --git a/akka-actor-tests/src/test/scala/akka/actor/FSMTimingSpec.scala b/akka-actor-tests/src/test/scala/akka/actor/FSMTimingSpec.scala
index 2d7534c755..7168daa265 100644
--- a/akka-actor-tests/src/test/scala/akka/actor/FSMTimingSpec.scala
+++ b/akka-actor-tests/src/test/scala/akka/actor/FSMTimingSpec.scala
@@ -182,7 +182,7 @@ object FSMTimingSpec {
     when(TestCancelTimer) {
       case Ev(Tick) ⇒
         setTimer("hallo", Tock, 1 milli, false)
-        TestKit.awaitCond(!context.dispatcher.mailboxIsEmpty(context.asInstanceOf[ActorCell]), 1 second)
+        TestKit.awaitCond(context.asInstanceOf[ActorCell].mailbox.hasMessages, 1 second)
         cancelTimer("hallo")
         sender ! Tick
         setTimer("hallo", Tock, 500 millis, false)
@@ -209,7 +209,7 @@ object FSMTimingSpec {
       case Ev(Tick) ⇒
         suspend(self)
         setTimer("named", Tock, 1 millis, false)
-        TestKit.awaitCond(!context.dispatcher.mailboxIsEmpty(context.asInstanceOf[ActorCell]), 1 second)
+        TestKit.awaitCond(context.asInstanceOf[ActorCell].mailbox.hasMessages, 1 second)
         stay forMax (1 millis) replying Tick
       case Ev(Tock) ⇒
         goto(TestCancelStateTimerInNamedTimerMessage2)
diff --git a/akka-actor/src/main/scala/akka/actor/ActorCell.scala b/akka-actor/src/main/scala/akka/actor/ActorCell.scala
index 6a532136b4..1d929c1de0 100644
--- a/akka-actor/src/main/scala/akka/actor/ActorCell.scala
+++ b/akka-actor/src/main/scala/akka/actor/ActorCell.scala
@@ -566,7 +566,7 @@ private[akka] class ActorCell(
 
   final def checkReceiveTimeout() {
     val recvtimeout = receiveTimeoutData
-    if (recvtimeout._1 > 0 && dispatcher.mailboxIsEmpty(this)) {
+    if (recvtimeout._1 > 0 && !mailbox.hasMessages) {
       recvtimeout._2.cancel() //Cancel any ongoing future
       //Only reschedule if desired and there are currently no more messages to be processed
       receiveTimeoutData = (recvtimeout._1, system.scheduler.scheduleOnce(Duration(recvtimeout._1, TimeUnit.MILLISECONDS), self, ReceiveTimeout))
diff --git a/akka-actor/src/main/scala/akka/dispatch/AbstractDispatcher.scala b/akka-actor/src/main/scala/akka/dispatch/AbstractDispatcher.scala
index 905d2d6498..8832b71afc 100644
--- a/akka-actor/src/main/scala/akka/dispatch/AbstractDispatcher.scala
+++ b/akka-actor/src/main/scala/akka/dispatch/AbstractDispatcher.scala
@@ -257,16 +257,6 @@ abstract class MessageDispatcher(val prerequisites: DispatcherPrerequisites) ext
    * Must be idempotent
    */
   protected[akka] def shutdown(): Unit
-
-  /**
-   * Returns the size of the mailbox for the specified actor
-   */
-  def mailboxSize(actor: ActorCell): Int = actor.mailbox.numberOfMessages
-
-  /**
-   * Returns the "current" emptiness status of the mailbox for the specified actor
-   */
-  def mailboxIsEmpty(actor: ActorCell): Boolean = !actor.mailbox.hasMessages
 }
 
 /**
diff --git a/akka-actor/src/main/scala/akka/routing/Pool.scala b/akka-actor/src/main/scala/akka/routing/Pool.scala
index 138be5e902..988820cf18 100644
--- a/akka-actor/src/main/scala/akka/routing/Pool.scala
+++ b/akka-actor/src/main/scala/akka/routing/Pool.scala
@@ -165,7 +165,7 @@ trait SmallestMailboxSelector {
     var take = if (partialFill) math.min(selectionCount, delegates.length) else selectionCount
 
     def mailboxSize(a: ActorRef): Int = a match {
-      case l: LocalActorRef ⇒ l.underlying.dispatcher.mailboxSize(l.underlying)
+      case l: LocalActorRef ⇒ l.underlying.mailbox.numberOfMessages
       case _                ⇒ Int.MaxValue //Non-local actors mailbox size is unknown, so consider them lowest priority
     }
 
@@ -282,7 +282,7 @@ trait MailboxPressureCapacitor {
   def pressureThreshold: Int
   def pressure(delegates: Seq[ActorRef]): Int =
     delegates count {
-      case a: LocalActorRef ⇒ a.underlying.dispatcher.mailboxSize(a.underlying) > pressureThreshold
+      case a: LocalActorRef ⇒ a.underlying.mailbox.numberOfMessages > pressureThreshold
       case _                ⇒ false
     }
 }
diff --git a/akka-testkit/src/main/scala/akka/testkit/CallingThreadDispatcher.scala b/akka-testkit/src/main/scala/akka/testkit/CallingThreadDispatcher.scala
index 784bb6f184..947ae4e262 100644
--- a/akka-testkit/src/main/scala/akka/testkit/CallingThreadDispatcher.scala
+++ b/akka-testkit/src/main/scala/akka/testkit/CallingThreadDispatcher.scala
@@ -165,10 +165,6 @@ class CallingThreadDispatcher(
     }
   }
 
-  override def mailboxSize(actor: ActorCell) = getMailbox(actor) map (_.queue.size) getOrElse 0
-
-  override def mailboxIsEmpty(actor: ActorCell): Boolean = getMailbox(actor) map (_.queue.isEmpty) getOrElse true
-
   protected[akka] override def systemDispatch(receiver: ActorCell, message: SystemMessage) {
     receiver.mailbox match {
       case mbox: CallingThreadMailbox ⇒
@@ -304,6 +300,6 @@ class CallingThreadMailbox(_receiver: ActorCell) extends Mailbox(_receiver) with
 
   override def enqueue(receiver: ActorRef, msg: Envelope) {}
   override def dequeue() = null
-  override def hasMessages = true
-  override def numberOfMessages = 0
+  override def hasMessages = queue.isEmpty
+  override def numberOfMessages = queue.size
 }