diff --git a/components/esp_system/port/soc/esp32c61/reset_reason.c b/components/esp_system/port/soc/esp32c61/reset_reason.c
index 84d8798417..458cb0f585 100644
--- a/components/esp_system/port/soc/esp32c61/reset_reason.c
+++ b/components/esp_system/port/soc/esp32c61/reset_reason.c
@@ -62,9 +62,6 @@ static esp_reset_reason_t get_reset_reason(soc_reset_reason_t rtc_reset_reason,
     case RESET_REASON_CPU0_JTAG:
         return ESP_RST_JTAG;
 
-    case RESET_REASON_CORE_SDIO:
-        return ESP_RST_SDIO;
-
     default:
         return ESP_RST_UNKNOWN;
     }