diff --git a/src/wifi/model/wifi-phy-state-helper.cc b/src/wifi/model/wifi-phy-state-helper.cc
index 17af3c9ed..d163aa179 100644
--- a/src/wifi/model/wifi-phy-state-helper.cc
+++ b/src/wifi/model/wifi-phy-state-helper.cc
@@ -98,10 +98,10 @@ WifiPhyStateHelper::RegisterListener (WifiPhyListener *listener)
 void
 WifiPhyStateHelper::UnregisterListener (WifiPhyListener *listener)
 {
-  ListenersI i = find (m_listeners.begin (), m_listeners.end (), listener);
-  if (i != m_listeners.end ())
+  auto it = find (m_listeners.begin (), m_listeners.end (), listener);
+  if (it != m_listeners.end ())
     {
-      m_listeners.erase (i);
+      m_listeners.erase (it);
     }
 }
 
diff --git a/src/wifi/model/wifi-phy-state-helper.h b/src/wifi/model/wifi-phy-state-helper.h
index f7c79dec2..57d08de4b 100644
--- a/src/wifi/model/wifi-phy-state-helper.h
+++ b/src/wifi/model/wifi-phy-state-helper.h
@@ -287,10 +287,6 @@ private:
    * typedef for a list of WifiPhyListeners
    */
   typedef std::vector<WifiPhyListener *> Listeners;
-  /**
-   * typedef for a list of WifiPhyListeners iterator
-   */
-  typedef std::vector<WifiPhyListener *>::iterator ListenersI;
 
   /**
    * Log the idle and CCA busy states.