diff --git a/src/wifi/model/block-ack-manager.cc b/src/wifi/model/block-ack-manager.cc
index c24b39553..266514b7c 100644
--- a/src/wifi/model/block-ack-manager.cc
+++ b/src/wifi/model/block-ack-manager.cc
@@ -705,25 +705,6 @@ BlockAckManager::InactivityTimeout(const Mac48Address& recipient, uint8_t tid)
     m_blockAckInactivityTimeout(recipient, tid, true);
 }
 
-void
-BlockAckManager::NotifyOriginatorAgreementEstablished(const Mac48Address& recipient,
-                                                      uint8_t tid,
-                                                      uint16_t startingSeq)
-{
-    NS_LOG_FUNCTION(this << recipient << +tid << startingSeq);
-    auto it = m_originatorAgreements.find({recipient, tid});
-    NS_ASSERT(it != m_originatorAgreements.end());
-    if (!it->second.first.IsEstablished())
-    {
-        m_originatorAgreementState(Simulator::Now(),
-                                   recipient,
-                                   tid,
-                                   OriginatorBlockAckAgreement::ESTABLISHED);
-    }
-    it->second.first.SetState(OriginatorBlockAckAgreement::ESTABLISHED);
-    it->second.first.SetStartingSequence(startingSeq);
-}
-
 void
 BlockAckManager::NotifyOriginatorAgreementRejected(const Mac48Address& recipient, uint8_t tid)
 {
diff --git a/src/wifi/model/block-ack-manager.h b/src/wifi/model/block-ack-manager.h
index 4af851db2..5de6628b1 100644
--- a/src/wifi/model/block-ack-manager.h
+++ b/src/wifi/model/block-ack-manager.h
@@ -233,17 +233,6 @@ class BlockAckManager : public Object
      * the number of buffered MPDUs but the number of buffered MSDUs.
      */
     uint32_t GetNBufferedPackets(const Mac48Address& recipient, uint8_t tid) const;
-    /**
-     * @param recipient Address of peer station involved in block ack mechanism.
-     * @param tid Traffic ID of transmitted packet.
-     * @param startingSeq starting sequence field
-     *
-     * Puts corresponding originator agreement in established state and updates number of packets
-     * and starting sequence field. Invoked typically after a block ack refresh.
-     */
-    void NotifyOriginatorAgreementEstablished(const Mac48Address& recipient,
-                                              uint8_t tid,
-                                              uint16_t startingSeq);
     /**
      * @param recipient Address of peer station involved in block ack mechanism.
      * @param tid Traffic ID of transmitted packet.