diff --git a/components/bt/bluedroid/bta/dm/bta_dm_act.c b/components/bt/bluedroid/bta/dm/bta_dm_act.c
index 7ee978b97b..8946e9bd14 100644
--- a/components/bt/bluedroid/bta/dm/bta_dm_act.c
+++ b/components/bt/bluedroid/bta/dm/bta_dm_act.c
@@ -2642,9 +2642,7 @@ static UINT8 bta_dm_authorize_cback (BD_ADDR bd_addr, DEV_CLASS dev_class, BD_NA
     }
 }
 
-
-
-
+#if (BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE)
 /*******************************************************************************
 **
 ** Function         bta_dm_pinname_cback
@@ -2701,6 +2699,7 @@ static UINT8 bta_dm_authorize_cback (BD_ADDR bd_addr, DEV_CLASS dev_class, BD_NA
         bta_dm_cb.p_sec_cback(event, &sec_event);
     }
 }
+#endif //(BTM_LOCAL_IO_CAPS != BTM_IO_CAP_NONE)
 
 /*******************************************************************************
 **
@@ -2720,18 +2719,6 @@ static UINT8 bta_dm_pin_cback (BD_ADDR bd_addr, DEV_CLASS dev_class, BD_NAME bd_
         return BTM_NOT_AUTHORIZED;
     }
 
-    /* If the device name is not known, save bdaddr and devclass and initiate a name request */
-    if (bd_name[0] == 0) {
-        bta_dm_cb.pin_evt = BTA_DM_PIN_REQ_EVT;
-        bdcpy(bta_dm_cb.pin_bd_addr, bd_addr);
-        BTA_COPY_DEVICE_CLASS(bta_dm_cb.pin_dev_class, dev_class);
-        if ((BTM_ReadRemoteDeviceName(bd_addr, bta_dm_pinname_cback, BT_TRANSPORT_BR_EDR)) == BTM_CMD_STARTED) {
-            return BTM_CMD_STARTED;
-        }
-
-        APPL_TRACE_WARNING(" bta_dm_pin_cback() -> Failed to start Remote Name Request  ");
-    }
-
     bdcpy(sec_event.pin_req.bd_addr, bd_addr);
     BTA_COPY_DEVICE_CLASS(sec_event.pin_req.dev_class, dev_class);
     BCM_STRNCPY_S((char *)sec_event.pin_req.bd_name, sizeof(BD_NAME), (char *)bd_name, (BD_NAME_LEN - 1));
diff --git a/components/bt/bluedroid/device/controller.c b/components/bt/bluedroid/device/controller.c
index f0963b4695..2d4d29a4f4 100644
--- a/components/bt/bluedroid/device/controller.c
+++ b/components/bt/bluedroid/device/controller.c
@@ -250,10 +250,10 @@ static void start_up(void)
     }
 #endif
 
-    if (simple_pairing_supported) {
-        response = AWAIT_COMMAND(packet_factory->make_set_event_mask(&CLASSIC_EVENT_MASK));
-        packet_parser->parse_generic_command_complete(response);
-    }
+
+    response = AWAIT_COMMAND(packet_factory->make_set_event_mask(&CLASSIC_EVENT_MASK));
+    packet_parser->parse_generic_command_complete(response);
+
 
 #if (BTM_SCO_HCI_INCLUDED == TRUE)
     response = AWAIT_COMMAND(packet_factory->make_write_sync_flow_control_enable(1));
diff --git a/components/bt/bluedroid/stack/btm/btm_sec.c b/components/bt/bluedroid/stack/btm/btm_sec.c
index 6933e3fb81..459931b9f1 100644
--- a/components/bt/bluedroid/stack/btm/btm_sec.c
+++ b/components/bt/bluedroid/stack/btm/btm_sec.c
@@ -5030,42 +5030,13 @@ void btm_sec_pin_code_request (UINT8 *p_bda)
         memcpy (p_cb->connecting_bda, p_bda, BD_ADDR_LEN);
         memcpy (p_cb->connecting_dc,  p_dev_rec->dev_class, DEV_CLASS_LEN);
 
-        /* Check if the name is known */
-        /* Even if name is not known we might not be able to get one */
-        /* this is the case when we are already getting something from the */
-        /* device, so HCI level is flow controlled */
-        /* Also cannot send remote name request while paging, i.e. connection is not completed */
-        if (p_dev_rec->sec_flags & BTM_SEC_NAME_KNOWN) {
-            BTM_TRACE_EVENT ("btm_sec_pin_code_request going for callback\n");
-
-            btm_cb.pairing_flags |= BTM_PAIR_FLAGS_PIN_REQD;
-            if (p_cb->api.p_pin_callback) {
-                (*p_cb->api.p_pin_callback) (p_bda, p_dev_rec->dev_class, p_dev_rec->sec_bd_name,
-                                             (p_dev_rec->p_cur_service == NULL) ? FALSE
-                                             : (p_dev_rec->p_cur_service->security_flags
-                                                & BTM_SEC_IN_MIN_16_DIGIT_PIN));
-            }
-        } else {
-            BTM_TRACE_EVENT ("btm_sec_pin_code_request going for remote name\n");
-
-            /* We received PIN code request for the device with unknown name */
-            /* it is not user friendly just to ask for the PIN without name */
-            /* try to get name at first */
-            if (!btsnd_hcic_rmt_name_req (p_dev_rec->bd_addr,
-                                          HCI_PAGE_SCAN_REP_MODE_R1,
-                                          HCI_MANDATARY_PAGE_SCAN_MODE, 0)) {
-                p_dev_rec->sec_flags |= BTM_SEC_NAME_KNOWN;
-                p_dev_rec->sec_bd_name[0] = 'f';
-                p_dev_rec->sec_bd_name[1] = '0';
-                BTM_TRACE_ERROR ("can not send rmt_name_req?? fake a name and call callback\n");
-
-                btm_cb.pairing_flags |= BTM_PAIR_FLAGS_PIN_REQD;
-                if (p_cb->api.p_pin_callback)
-                    (*p_cb->api.p_pin_callback) (p_bda, p_dev_rec->dev_class,
-                                                 p_dev_rec->sec_bd_name, (p_dev_rec->p_cur_service == NULL) ? FALSE
-                                                 : (p_dev_rec->p_cur_service->security_flags
-                                                    & BTM_SEC_IN_MIN_16_DIGIT_PIN));
-            }
+        BTM_TRACE_EVENT ("btm_sec_pin_code_request going for callback\n");
+        btm_cb.pairing_flags |= BTM_PAIR_FLAGS_PIN_REQD;
+        if (p_cb->api.p_pin_callback) {
+            (*p_cb->api.p_pin_callback) (p_bda, p_dev_rec->dev_class, p_dev_rec->sec_bd_name,
+                                         (p_dev_rec->p_cur_service == NULL) ? FALSE
+                                         : (p_dev_rec->p_cur_service->security_flags
+                                            & BTM_SEC_IN_MIN_16_DIGIT_PIN));
         }
     }
     return;