diff --git a/components/freemodbus/common/include/esp_modbus_master.h b/components/freemodbus/common/include/esp_modbus_master.h
index 433e143..9f4bd47 100644
--- a/components/freemodbus/common/include/esp_modbus_master.h
+++ b/components/freemodbus/common/include/esp_modbus_master.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2016-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2016-2022 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -9,7 +9,6 @@
 
 #include <stdint.h>                 // for standard int types definition
 #include <stddef.h>                 // for NULL and std defines
-#include "soc/soc.h"                // for BITN definitions
 #include "esp_modbus_common.h"      // for common types
 
 #ifdef __cplusplus
diff --git a/components/freemodbus/common/include/esp_modbus_slave.h b/components/freemodbus/common/include/esp_modbus_slave.h
index 13fd456..8e958c4 100644
--- a/components/freemodbus/common/include/esp_modbus_slave.h
+++ b/components/freemodbus/common/include/esp_modbus_slave.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2016-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2016-2022 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -10,7 +10,6 @@
 // Public interface header for slave
 #include <stdint.h>                 // for standard int types definition
 #include <stddef.h>                 // for NULL and std defines
-#include "soc/soc.h"                // for BITN definitions
 #include "freertos/FreeRTOS.h"      // for task creation and queues access
 #include "freertos/event_groups.h"  // for event groups
 #include "esp_modbus_common.h"      // for common types