--- a/src/wifi/model/spectrum-wifi-phy.cc	Thu Nov 29 15:15:22 2018 +0100
+++ b/src/wifi/model/spectrum-wifi-phy.cc	Fri Nov 30 17:02:35 2018 +0300
@@ -188,33 +188,6 @@
 }
 
 void
-SpectrumWifiPhy::AddOperationalChannel (uint8_t channelNumber)
-{
-  m_operationalChannelList.push_back (channelNumber);
-}
-
-std::vector<uint8_t>
-SpectrumWifiPhy::GetOperationalChannelList () const
-{
-  std::vector<uint8_t> channelList;
-  channelList.push_back (GetChannelNumber ());  // first channel of list
-  for (std::vector<uint8_t>::size_type i = 0; i != m_operationalChannelList.size (); i++)
-    {
-      if (m_operationalChannelList[i] != GetChannelNumber ())
-        {
-          channelList.push_back (m_operationalChannelList[i]);
-        }
-    }
-  return channelList;
-}
-
-void
-SpectrumWifiPhy::ClearOperationalChannelList ()
-{
-  m_operationalChannelList.clear ();
-}
-
-void
 SpectrumWifiPhy::StartRx (Ptr<SpectrumSignalParameters> rxParams)
 {
   NS_LOG_FUNCTION (this << rxParams);

--- a/src/wifi/model/spectrum-wifi-phy.h	Thu Nov 29 15:15:22 2018 +0100
+++ b/src/wifi/model/spectrum-wifi-phy.h	Fri Nov 30 17:02:35 2018 +0300
@@ -65,25 +65,6 @@
    * \param channel the SpectrumChannel this SpectrumWifiPhy is to be connected to
    */
   void SetChannel (const Ptr<SpectrumChannel> channel);
-  /**
-   * Add a channel number to the list of operational channels.  This method
-   * is used to support scanning for strongest base station.
-   *
-   * \param channelNumber the channel number to add
-   */
-  void AddOperationalChannel (uint8_t channelNumber);
-  /**
-   * Return a list of channels to which it may be possible to roam
-   * By default, this method will return the current channel number followed
-   * by any other channel numbers that have been added.
-   *
-   * \return vector of channel numbers to which it may be possible to roam
-   */
-  std::vector<uint8_t> GetOperationalChannelList (void) const;
-  /**
-   * Clear the list of operational channels.
-   */
-  void ClearOperationalChannelList (void);
 
   /**
    * Input method for delivering a signal from the spectrum channel
@@ -210,7 +191,6 @@
   void ResetSpectrumModel (void);
 
   Ptr<SpectrumChannel> m_channel;        //!< SpectrumChannel that this SpectrumWifiPhy is connected to
-  std::vector<uint8_t> m_operationalChannelList; //!< List of possible channels
 
   Ptr<WifiSpectrumPhyInterface> m_wifiSpectrumPhyInterface; //!< Spectrum phy interface
   Ptr<AntennaModel> m_antenna; //!< antenna model