diff --git a/components/bt/host/bluedroid/stack/btm/btm_dev.c b/components/bt/host/bluedroid/stack/btm/btm_dev.c
index 169dcc1449..f705a8dc69 100644
--- a/components/bt/host/bluedroid/stack/btm/btm_dev.c
+++ b/components/bt/host/bluedroid/stack/btm/btm_dev.c
@@ -187,8 +187,10 @@ BOOLEAN BTM_SecDeleteDevice (BD_ADDR bd_addr, tBT_TRANSPORT transport)
     }
 
     if ((p_dev_rec = btm_find_dev(bd_addr)) != NULL) {
+#if (CLASSIC_BT_INCLUDED == TRUE)
         /* Tell controller to get rid of the link key, if it has one stored */
         BTM_DeleteStoredLinkKey (p_dev_rec->bd_addr, NULL);
+#endif // (CLASSIC_BT_INCLUDED == TRUE)
 
         btm_sec_free_dev(p_dev_rec, transport);
     }
diff --git a/components/bt/host/bluedroid/stack/btm/btm_devctl.c b/components/bt/host/bluedroid/stack/btm/btm_devctl.c
index 99b30bce11..2250c78bd4 100644
--- a/components/bt/host/bluedroid/stack/btm/btm_devctl.c
+++ b/components/bt/host/bluedroid/stack/btm/btm_devctl.c
@@ -1149,6 +1149,7 @@ tBTM_STATUS BTM_EnableTestMode(void)
 }
 #endif // #if (BLE_HOST_ENABLE_TEST_MODE_EN == TRUE)
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         BTM_DeleteStoredLinkKey
@@ -1223,6 +1224,7 @@ void btm_delete_stored_link_key_complete (UINT8 *p)
     }
 }
 
+#endif // (CLASSIC_BT_INCLUDED == TRUE)
 /*******************************************************************************
 **
 ** Function         btm_report_device_status
diff --git a/components/bt/host/bluedroid/stack/btm/btm_sec.c b/components/bt/host/bluedroid/stack/btm/btm_sec.c
index 1cd0e66833..3ed5d4b13f 100644
--- a/components/bt/host/bluedroid/stack/btm/btm_sec.c
+++ b/components/bt/host/bluedroid/stack/btm/btm_sec.c
@@ -1001,12 +1001,12 @@ tBTM_STATUS btm_sec_bond_by_transport (BD_ADDR bd_addr, tBT_TRANSPORT transport,
         return (BTM_SUCCESS);
     }
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
     /* Tell controller to get rid of the link key if it has one stored */
     if ((BTM_DeleteStoredLinkKey (bd_addr, NULL)) != BTM_SUCCESS) {
         return (BTM_NO_RESOURCES);
     }
 
-#if (CLASSIC_BT_INCLUDED == TRUE)
     /* Save the PIN code if we got a valid one */
     if (p_pin && (pin_len <= PIN_CODE_LEN) && (pin_len != 0)) {
         btm_cb.pin_code_len = pin_len;