diff --git a/src/wifi/model/wifi-information-element-vector.cc b/src/wifi/model/wifi-information-element-vector.cc
index 740e099d6..78bb06249 100644
--- a/src/wifi/model/wifi-information-element-vector.cc
+++ b/src/wifi/model/wifi-information-element-vector.cc
@@ -130,12 +130,6 @@ WifiInformationElementVector::Print (std::ostream & os) const
     }
 }
 
-void
-WifiInformationElementVector::SetMaxSize (uint16_t size)
-{
-  m_maxSize = size;
-}
-
 WifiInformationElementVector::Iterator
 WifiInformationElementVector::Begin ()
 {
@@ -172,29 +166,6 @@ WifiInformationElementVector::FindFirst (WifiInformationElementId id) const
   return 0;
 }
 
-
-namespace {
-
-/// PIEComparator structure
-struct PIEComparator
-{
-  /**
-   * comparison operator
-   *
-   * \param a left side
-   * \param b right side
-   * \returns true if less than
-   */
-  bool
-  operator () (Ptr<WifiInformationElement> a, Ptr<WifiInformationElement> b) const
-  {
-    return ((*PeekPointer (a)) < (*PeekPointer (b)));
-  }
-};
-
-}
-
-
 uint32_t
 WifiInformationElementVector::GetSize () const
 {
diff --git a/src/wifi/model/wifi-information-element-vector.h b/src/wifi/model/wifi-information-element-vector.h
index 35ce92feb..754797667 100644
--- a/src/wifi/model/wifi-information-element-vector.h
+++ b/src/wifi/model/wifi-information-element-vector.h
@@ -78,12 +78,6 @@ public:
    * \return deserialized bytes
    */
   virtual uint32_t DeserializeSingleIe (Buffer::Iterator start);
-  /**
-   * Set maximum size to control overflow of the max packet length
-   *
-   * \param size the maximum size to set (bytes)
-   */
-  void SetMaxSize (uint16_t size);
   /// As soon as this is a vector, we define an Iterator
   typedef std::vector<Ptr<WifiInformationElement> >::iterator Iterator;
   /**
diff --git a/src/wifi/model/wifi-information-element.cc b/src/wifi/model/wifi-information-element.cc
index 36e9c3b1b..bea446576 100644
--- a/src/wifi/model/wifi-information-element.cc
+++ b/src/wifi/model/wifi-information-element.cc
@@ -84,12 +84,6 @@ WifiInformationElement::DeserializeIfPresent (Buffer::Iterator i)
   return i;
 }
 
-bool
-WifiInformationElement::operator< (WifiInformationElement const & a) const
-{
-  return (ElementId () < a.ElementId ());
-}
-
 bool
 WifiInformationElement::operator== (WifiInformationElement const & a) const
 {
diff --git a/src/wifi/model/wifi-information-element.h b/src/wifi/model/wifi-information-element.h
index 44dd1d586..d370c2dc2 100644
--- a/src/wifi/model/wifi-information-element.h
+++ b/src/wifi/model/wifi-information-element.h
@@ -309,15 +309,6 @@ public:
    * \param os output stream
    */
   virtual void Print (std::ostream &os) const;
-  /**
-   * Compare information elements using Element ID
-   *
-   * \param a another information element to compare with
-   *
-   * \return true if the Element ID is less than the other IE Element ID,
-   *         false otherwise
-   */
-  virtual bool operator< (WifiInformationElement const & a) const;
   /**
    * Compare two IEs for equality by ID & Length, and then through
    * memcmp of serialised version