diff --git a/core/sme/inc/csr_api.h b/core/sme/inc/csr_api.h
index 9f9009bce3fc..d7922374be8f 100644
--- a/core/sme/inc/csr_api.h
+++ b/core/sme/inc/csr_api.h
@@ -1555,12 +1555,6 @@ typedef struct tagCsrGlobalClassDStatsInfo {
 
 } tCsrGlobalClassDStatsInfo;
 
-typedef struct tagCsrPerStaStatsInfo {
-	uint32_t tx_frag_cnt[4];
-	uint32_t tx_ampdu_cnt;
-	uint32_t tx_mpdu_in_ampdu_cnt;
-} tCsrPerStaStatsInfo;
-
 /**
  * struct csr_per_chain_rssi_stats_info - stores chain rssi
  * @rssi: array containing rssi for all chains
diff --git a/core/sme/inc/csr_internal.h b/core/sme/inc/csr_internal.h
index 8954b2a818b5..4604c835333d 100644
--- a/core/sme/inc/csr_internal.h
+++ b/core/sme/inc/csr_internal.h
@@ -44,8 +44,6 @@
 
 #include "sir_types.h"
 
-#define CSR_MAX_STA (HAL_NUM_STA)
-
 /* define scan return criteria. LIM should use these define as well */
 #define CSR_SCAN_RETURN_AFTER_ALL_CHANNELS          (0)
 #define CSR_SCAN_RETURN_AFTER_FIRST_MATCH           (0x01)
@@ -229,7 +227,6 @@ typedef enum {
 	eCsrGlobalClassBStats,
 	eCsrGlobalClassCStats,
 	eCsrGlobalClassDStats,
-	eCsrPerStaStats,
 	csr_per_chain_rssi_stats,
 	eCsrMaxStats
 } eCsrRoamStatsClassTypes;
@@ -1016,7 +1013,6 @@ typedef struct tagCsrRoamStruct {
 	tCsrGlobalClassBStatsInfo classBStatsInfo;
 	tCsrGlobalClassCStatsInfo classCStatsInfo;
 	tCsrGlobalClassDStatsInfo classDStatsInfo;
-	tCsrPerStaStatsInfo perStaStatsInfo[CSR_MAX_STA];
 	struct csr_per_chain_rssi_stats_info  per_chain_rssi_stats;
 	tDblLinkList statsClientReqList;
 	tDblLinkList peStatsReqList;
diff --git a/core/sme/inc/sme_api.h b/core/sme/inc/sme_api.h
index 5cb7b2316510..a8fd6b17e5b2 100644
--- a/core/sme/inc/sme_api.h
+++ b/core/sme/inc/sme_api.h
@@ -61,7 +61,6 @@
 #define SME_GLOBAL_CLASSB_STATS   (1 << eCsrGlobalClassBStats)
 #define SME_GLOBAL_CLASSC_STATS   (1 << eCsrGlobalClassCStats)
 #define SME_GLOBAL_CLASSD_STATS   (1 << eCsrGlobalClassDStats)
-#define SME_PER_STA_STATS         (1 << eCsrPerStaStats)
 #define SME_PER_CHAIN_RSSI_STATS  (1 << csr_per_chain_rssi_stats)
 
 #define SME_SESSION_ID_ANY        50
diff --git a/core/sme/src/csr/csr_api_roam.c b/core/sme/src/csr/csr_api_roam.c
index 2edfdcb4738f..35983b09665f 100644
--- a/core/sme/src/csr/csr_api_roam.c
+++ b/core/sme/src/csr/csr_api_roam.c
@@ -16128,20 +16128,6 @@ csr_update_stats(tpAniSirGlobal mac, uint8_t stats_type,
 		*stats += sizeof(tCsrGlobalClassCStatsInfo);
 		*length -= sizeof(tCsrGlobalClassCStatsInfo);
 		break;
-	case eCsrPerStaStats:
-		sms_log(mac, LOG2, FL("PerSta stats"));
-		if (CSR_MAX_STA > sme_stats_rsp->staId) {
-			qdf_mem_copy(
-				&mac->roam.perStaStatsInfo[sme_stats_rsp->staId],
-				*stats, sizeof(tCsrPerStaStatsInfo));
-		} else {
-			sms_log(mac, LOGE, FL("out bound staId:%d. failed to copy PerSta stats"),
-				sme_stats_rsp->staId);
-			QDF_ASSERT(0);
-		}
-		*stats += sizeof(tCsrPerStaStatsInfo);
-		*length -= sizeof(tCsrPerStaStatsInfo);
-		break;
 	case csr_per_chain_rssi_stats:
 		sms_log(mac, LOG2,
 			FL("csrRoamStatsRspProcessor:Per Chain RSSI stats"));
@@ -18307,14 +18293,6 @@ void csr_roam_report_statistics(tpAniSirGlobal pMac, uint32_t statsMask,
 					     sizeof(tCsrGlobalClassDStatsInfo));
 				pStats += sizeof(tCsrGlobalClassDStatsInfo);
 				break;
-			case eCsrPerStaStats:
-				sms_log(pMac, LOG2, FL("PerSta stats"));
-				qdf_mem_copy(pStats,
-					     (uint8_t *) &pMac->roam.
-					     perStaStatsInfo[staId],
-					     sizeof(tCsrPerStaStatsInfo));
-				pStats += sizeof(tCsrPerStaStatsInfo);
-				break;
 			case csr_per_chain_rssi_stats:
 				sms_log(pMac, LOG2, FL("Per Chain RSSI stats"));
 				qdf_mem_copy(pStats,