diff --git a/components/bt/include/esp_bt.h b/components/bt/include/esp_bt.h
index de8b04239f..1f55965f89 100644
--- a/components/bt/include/esp_bt.h
+++ b/components/bt/include/esp_bt.h
@@ -459,23 +459,6 @@ esp_err_t esp_bt_mem_release(esp_bt_mode_t mode);
  */
 esp_err_t esp_bt_sleep_enable(void);
 
-
-/**
- * @brief disable bluetooth modem sleep
- *
- * Note that this function shall not be invoked before esp_bt_controller_enable()
- *
- * If esp_bt_sleep_disable() is called, bluetooth controller will not be allowed to enter modem sleep;
- *
- * If ORIG modem sleep mode is in use, if this function is called, bluetooth controller may not immediately wake up if it is dormant then.
- * In this case, esp_bt_controller_wakeup_request() can be used to shorten the time for wakeup.
- *
- * @return
- *                  - ESP_OK : success
- *                  - other  : failed
- */
-esp_err_t esp_bt_sleep_disable(void);
-
 /**
  * @brief to check whether bluetooth controller is sleeping at the instant, if modem sleep is enabled
  *
diff --git a/components/esp_rom/esp32/ld/esp32.rom.ld b/components/esp_rom/esp32/ld/esp32.rom.ld
index 0a70c5dbe6..4368e4b318 100644
--- a/components/esp_rom/esp32/ld/esp32.rom.ld
+++ b/components/esp_rom/esp32/ld/esp32.rom.ld
@@ -661,6 +661,7 @@ PROVIDE ( ld_acl_rsw_frm_cbk = 0x40033bb0 );
 PROVIDE ( ld_sco_modify = 0x40031778 );
 PROVIDE ( lm_cmd_cmp_send = 0x40051838 );
 PROVIDE ( ld_sco_frm_cbk = 0x400349dc );
+PROVIDE ( ld_acl_sco_rsvd_check = 0x4002fa94 );
 PROVIDE ( ld_acl_sniff_frm_cbk = 0x4003482c );
 PROVIDE ( ld_inq_end = 0x4003ab48 );
 PROVIDE ( ld_inq_sched = 0x4003aba4 );