diff --git a/core/mac/src/pe/include/lim_session.h b/core/mac/src/pe/include/lim_session.h
index 3e3192427ff6..edeaf60cd210 100644
--- a/core/mac/src/pe/include/lim_session.h
+++ b/core/mac/src/pe/include/lim_session.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012-2018 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -528,8 +528,6 @@ typedef struct sPESession       /* Added to Support BT-AMP */
 #endif
 	/* previous auth frame's sequence number */
 	uint16_t prev_auth_seq_num;
-	/* previous auth algo */
-	uint16_t prev_auth_algo;
 } tPESession, *tpPESession;
 
 /*-------------------------------------------------------------------------
diff --git a/core/mac/src/pe/lim/lim_process_auth_frame.c b/core/mac/src/pe/lim/lim_process_auth_frame.c
index e2d576e40a3e..74b4c157ac5a 100644
--- a/core/mac/src/pe/lim/lim_process_auth_frame.c
+++ b/core/mac/src/pe/lim/lim_process_auth_frame.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2018 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -1096,6 +1096,15 @@ lim_process_auth_frame(tpAniSirGlobal mac_ctx, uint8_t *rx_pkt_info,
 		pe_session->limMlmState, MAC_ADDR_ARRAY(mac_hdr->bssId),
 		(uint) abs((int8_t) WMA_GET_RX_RSSI_NORMALIZED(rx_pkt_info)));
 
+	if (pe_session->prev_auth_seq_num == curr_seq_num) {
+		pe_err("auth frame, seq num: %d is already processed, drop it",
+			curr_seq_num);
+		return;
+	}
+
+	/* save seq number in pe_session */
+	pe_session->prev_auth_seq_num = curr_seq_num;
+
 	body_ptr = WMA_GET_RX_MPDU_DATA(rx_pkt_info);
 
 	/* Restore default failure timeout */
@@ -1335,18 +1344,6 @@ lim_process_auth_frame(tpAniSirGlobal mac_ctx, uint8_t *rx_pkt_info,
 			goto free;
 	}
 
-	if (pe_session->prev_auth_seq_num == curr_seq_num &&
-	    pe_session->prev_auth_algo == rx_auth_frame->authAlgoNumber) {
-		pe_err("auth frame, seq num: %d is already processed, drop it",
-			curr_seq_num);
-		goto free;
-	}
-
-	/* save seq number in pe_session */
-	pe_session->prev_auth_seq_num = curr_seq_num;
-
-	pe_session->prev_auth_algo = rx_auth_frame->authAlgoNumber;
-
 	rx_auth_frm_body = rx_auth_frame;
 
 	pe_debug("Received Auth frame with type: %d seqnum: %d status: %d %d",
diff --git a/core/mac/src/pe/lim/lim_session.c b/core/mac/src/pe/lim/lim_session.c
index b9d23949aa74..747ec794e3ca 100644
--- a/core/mac/src/pe/lim/lim_session.c
+++ b/core/mac/src/pe/lim/lim_session.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2018 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -541,7 +541,6 @@ pe_create_session(tpAniSirGlobal pMac, uint8_t *bssid, uint8_t *sessionId,
 	session_ptr->ht_client_cnt = 0;
 	/* following is invalid value since seq number is 12 bit */
 	session_ptr->prev_auth_seq_num = 0xFFFF;
-	session_ptr->prev_auth_algo = 0xFFFF;
 
 	return &pMac->lim.gpSession[i];
 }