diff --git a/components/bt/controller/esp32c2/bt.c b/components/bt/controller/esp32c2/bt.c
index a7c96cf348..ddb3c1dd13 100644
--- a/components/bt/controller/esp32c2/bt.c
+++ b/components/bt/controller/esp32c2/bt.c
@@ -187,7 +187,7 @@ static DRAM_ATTR esp_pm_lock_handle_t s_pm_lock = NULL;
 #endif /* #ifdef CONFIG_PM_ENABLE */
 
 #ifdef CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
-#define BLE_RTC_DELAY_US                    (1100)
+#define BLE_RTC_DELAY_US                    (1800)
 #endif
 
 #ifdef CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
diff --git a/components/esp_rom/esp32c2/ld/esp32c2.rom.ld b/components/esp_rom/esp32c2/ld/esp32c2.rom.ld
index 98cd2b3ce3..f3f0f84f82 100644
--- a/components/esp_rom/esp32c2/ld/esp32c2.rom.ld
+++ b/components/esp_rom/esp32c2/ld/esp32c2.rom.ld
@@ -1192,7 +1192,6 @@ r_ble_lll_rfmgmt_controller_sleep_en = 0x40001648;
 r_ble_lll_rfmgmt_enable_now = 0x40001658;
 r_ble_lll_rfmgmt_is_enabled = 0x40001660;
 r_ble_lll_rfmgmt_release = 0x40001664;
-r_ble_lll_rfmgmt_release_ev = 0x40001668;
 r_ble_lll_rfmgmt_scan_changed = 0x40001670;
 r_ble_lll_rfmgmt_sched_changed = 0x40001674;
 r_ble_lll_rfmgmt_set_sleep_cb = 0x40001678;