diff --git a/src/devices/wifi/wifi-channel.cc b/src/devices/wifi/wifi-channel.cc
index 3677aa106..cd4cc7731 100644
--- a/src/devices/wifi/wifi-channel.cc
+++ b/src/devices/wifi/wifi-channel.cc
@@ -36,7 +36,9 @@ WifiChannel::WifiChannel ()
     m_delay (PropagationDelayModel::CreateDefault ())
 {}
 WifiChannel::~WifiChannel ()
-{}
+{
+  m_deviceList.clear ();
+}
 
 void 
 WifiChannel::SetPropationLossModel (Ptr<PropagationLossModel> loss)