diff --git a/src/lte/model/lte-phy.cc b/src/lte/model/lte-phy.cc
index f428368fe..faaadd0a5 100644
--- a/src/lte/model/lte-phy.cc
+++ b/src/lte/model/lte-phy.cc
@@ -144,15 +144,6 @@ LtePhy::SetDownlinkChannel (Ptr<SpectrumChannel> c)
   m_downlinkSpectrumPhy->SetChannel (c);
 }
 
-
-Ptr<SpectrumChannel>
-LtePhy::GetDownlinkChannel ()
-{
-  NS_LOG_FUNCTION (this);
-  return m_downlinkSpectrumPhy->GetChannel ();
-}
-
-
 void
 LtePhy::SetUplinkChannel (Ptr<SpectrumChannel> c)
 {
@@ -160,15 +151,6 @@ LtePhy::SetUplinkChannel (Ptr<SpectrumChannel> c)
   m_uplinkSpectrumPhy->SetChannel (c);
 }
 
-
-Ptr<SpectrumChannel>
-LtePhy::GetUplinkChannel ()
-{
-  NS_LOG_FUNCTION (this);
-  return m_uplinkSpectrumPhy->GetChannel ();
-}
-
-
 void
 LtePhy::SetDownlinkSubChannels (std::vector<int> mask )
 {
diff --git a/src/lte/model/lte-phy.h b/src/lte/model/lte-phy.h
index 6e24114f1..af457faf4 100644
--- a/src/lte/model/lte-phy.h
+++ b/src/lte/model/lte-phy.h
@@ -100,24 +100,12 @@ public:
    */
   void SetDownlinkChannel (Ptr<SpectrumChannel> c);
 
-  /**
-   * Get the downlink channel
-   * \return a Ptr to the downlink SpectrumChannel
-   */
-  Ptr<SpectrumChannel> GetDownlinkChannel ();
-
   /**
    * Set the uplink channel
    * \param c the uplink channel
    */
   void SetUplinkChannel (Ptr<SpectrumChannel> c);
 
-  /**
-   * Get the uplink channel
-   * \return a Ptr to the uplink SpectrumChannel
-   */
-  Ptr<SpectrumChannel> GetUplinkChannel ();
-
   /**
    * \brief set a list of sub channel to use in the downlink.
    * A sub channel is composed by a couple of resource bloks (180KHz x 1 ms)
diff --git a/src/lte/model/lte-spectrum-phy.cc b/src/lte/model/lte-spectrum-phy.cc
index 08e49dceb..63258f6a8 100644
--- a/src/lte/model/lte-spectrum-phy.cc
+++ b/src/lte/model/lte-spectrum-phy.cc
@@ -39,11 +39,7 @@ namespace ns3 {
 NS_OBJECT_ENSURE_REGISTERED (LteSpectrumPhy);
 
 LteSpectrumPhy::LteSpectrumPhy ()
-  : m_mobility (0),
-    m_device (0),
-    m_channel (0),
-    m_txPsd (0),
-    m_state (IDLE)
+  : m_state (IDLE)
 {
 }
 
@@ -52,6 +48,14 @@ LteSpectrumPhy::~LteSpectrumPhy ()
 {
 }
 
+void LteSpectrumPhy::DoDispose ()
+{
+  m_channel->Dispose ();
+  m_channel = 0;
+  m_mobility = 0;
+  m_device = 0;
+} 
+
 std::ostream& operator<< (std::ostream& os, LteSpectrumPhy::State s)
 {
   switch (s)
@@ -141,14 +145,6 @@ LteSpectrumPhy::SetChannel (Ptr<SpectrumChannel> c)
   m_channel = c;
 }
 
-
-Ptr<SpectrumChannel>
-LteSpectrumPhy::GetChannel (void)
-{
-  return m_channel;
-}
-
-
 Ptr<const SpectrumModel>
 LteSpectrumPhy::GetRxSpectrumModel () const
 {
diff --git a/src/lte/model/lte-spectrum-phy.h b/src/lte/model/lte-spectrum-phy.h
index abe314180..4ebe519c8 100644
--- a/src/lte/model/lte-spectrum-phy.h
+++ b/src/lte/model/lte-spectrum-phy.h
@@ -61,6 +61,7 @@ public:
 
   // inherited from Object
   static TypeId GetTypeId (void);
+  virtual void DoDispose ();
 
   // inherited from SpectrumPhy
   void SetChannel (Ptr<SpectrumChannel> c);
@@ -72,13 +73,6 @@ public:
   void StartRx (Ptr<PacketBurst> pb, Ptr <const SpectrumValue> rxPsd, SpectrumType st, Time duration);
   
 
-  /**
-   * \brief Get the channel where the physical layer is attached
-   * \return a pointer to the channel
-   */
-  Ptr<SpectrumChannel> GetChannel (void);
-
-
   /**
    * Get the SpectrumType used by this PHY
    *