diff --git a/components/esp_system/esp_system.c b/components/esp_system/esp_system.c
index 9d5002e24c..da05aa0bd0 100644
--- a/components/esp_system/esp_system.c
+++ b/components/esp_system/esp_system.c
@@ -1,16 +1,8 @@
-// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/*
+ * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 #include "esp_system.h"
 #include "esp_private/system_internal.h"
@@ -93,7 +85,7 @@ void IRAM_ATTR esp_restart(void)
     vTaskSuspendAll();
 
     bool digital_reset_needed = false;
-#if CONFIG_ESP_SYSTEM_CONFIG_MEMPROT_FEATURE
+#if CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
     if (esp_memprot_is_intr_ena_any() || esp_memprot_is_locked_any()) {
         digital_reset_needed = true;
     }
diff --git a/components/esp_system/port/panic_handler.c b/components/esp_system/port/panic_handler.c
index 58c27e76dc..0ee5ac34d0 100644
--- a/components/esp_system/port/panic_handler.c
+++ b/components/esp_system/port/panic_handler.c
@@ -1,16 +1,9 @@
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+/*
+ * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 #include <stdlib.h>
 
 #include "esp_spi_flash.h"
@@ -199,7 +192,8 @@ static void panic_handler(void *frame, bool pseudo_excause)
  * This function must always be in IRAM as it is required to
  * re-enable the flash cache.
  */
-static void IRAM_ATTR panic_enable_cache(void) {
+static void IRAM_ATTR panic_enable_cache(void)
+{
     int core_id = cpu_hal_get_core_id();
 
     if (!spi_flash_cache_enabled()) {
@@ -234,7 +228,7 @@ void __attribute__((noreturn)) panic_restart(void)
         digital_reset_needed = true;
     }
 #endif
-#if CONFIG_ESP_SYSTEM_CONFIG_MEMPROT_FEATURE
+#if CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
     if (esp_memprot_is_intr_ena_any() || esp_memprot_is_locked_any()) {
         digital_reset_needed = true;
     }
diff --git a/tools/ci/check_copyright_ignore.txt b/tools/ci/check_copyright_ignore.txt
index 5e15d266a7..dafa3bbf8b 100644
--- a/tools/ci/check_copyright_ignore.txt
+++ b/tools/ci/check_copyright_ignore.txt
@@ -1083,7 +1083,6 @@ components/esp_system/crosscore_int.c
 components/esp_system/dbg_stubs.c
 components/esp_system/eh_frame_parser.c
 components/esp_system/esp_err.c
-components/esp_system/esp_system.c
 components/esp_system/fpga_overrides.c
 components/esp_system/freertos_hooks.c
 components/esp_system/include/eh_frame_parser.h
@@ -1108,7 +1107,6 @@ components/esp_system/port/brownout.c
 components/esp_system/port/include/esp_clk_internal.h
 components/esp_system/port/include/port/panic_funcs.h
 components/esp_system/port/include/riscv/eh_frame_parser_impl.h
-components/esp_system/port/panic_handler.c
 components/esp_system/port/public_compat/brownout.h
 components/esp_system/port/public_compat/cache_err_int.h
 components/esp_system/port/public_compat/trax.h