diff --git a/src/wifi/model/interference-helper.cc b/src/wifi/model/interference-helper.cc
index 2a67fcc38..13ac82914 100644
--- a/src/wifi/model/interference-helper.cc
+++ b/src/wifi/model/interference-helper.cc
@@ -38,12 +38,12 @@ NS_LOG_COMPONENT_DEFINE ("InterferenceHelper");
  *       PHY event class
  ****************************************************************/
 
-Event::Event (Ptr<const WifiPpdu> ppdu, const WifiTxVector& txVector, Time duration, RxPowerWattPerChannelBand& rxPower)
+Event::Event (Ptr<const WifiPpdu> ppdu, const WifiTxVector& txVector, Time duration, RxPowerWattPerChannelBand&& rxPower)
   : m_ppdu (ppdu),
     m_txVector (txVector),
     m_startTime (Simulator::Now ()),
     m_endTime (m_startTime + duration),
-    m_rxPowerW (rxPower)
+    m_rxPowerW (std::move (rxPower))
 {
 }
 
@@ -189,7 +189,7 @@ InterferenceHelper::~InterferenceHelper ()
 Ptr<Event>
 InterferenceHelper::Add (Ptr<const WifiPpdu> ppdu, const WifiTxVector& txVector, Time duration, RxPowerWattPerChannelBand& rxPowerW, bool isStartOfdmaRxing)
 {
-  Ptr<Event> event = Create<Event> (ppdu, txVector, duration, rxPowerW);
+  Ptr<Event> event = Create<Event> (ppdu, txVector, duration, std::move (rxPowerW));
   AppendEvent (event, isStartOfdmaRxing);
   return event;
 }
diff --git a/src/wifi/model/interference-helper.h b/src/wifi/model/interference-helper.h
index c1cc2bf5d..c170dfa4c 100644
--- a/src/wifi/model/interference-helper.h
+++ b/src/wifi/model/interference-helper.h
@@ -38,14 +38,15 @@ class Event : public SimpleRefCount<Event>
 {
 public:
   /**
-   * Create an Event with the given parameters.
+   * Create an Event with the given parameters. Note that <i>rxPower</i> will
+   * be moved into this object.
    *
    * \param ppdu the PPDU
    * \param txVector the TXVECTOR
    * \param duration duration of the PPDU
    * \param rxPower the received power per band (W)
    */
-  Event (Ptr<const WifiPpdu> ppdu, const WifiTxVector& txVector, Time duration,  RxPowerWattPerChannelBand& rxPower);
+  Event (Ptr<const WifiPpdu> ppdu, const WifiTxVector& txVector, Time duration,  RxPowerWattPerChannelBand&& rxPower);
   ~Event ();
 
   /**