diff --git a/src/platform/intel/ace/include/ace/drivers/idc.h b/src/platform/intel/ace/include/ace/drivers/idc.h
deleted file mode 100644
index a62bda4f82be..000000000000
--- a/src/platform/intel/ace/include/ace/drivers/idc.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright(c) 2022 Intel Corporation. All rights reserved.
- */
-
-#ifdef __PLATFORM_DRIVERS_IDC_H__
-
-#ifndef __ACE_DRIVERS_IDC_H__
-#define __ACE_DRIVERS_IDC_H__
-
-#include <stdint.h>
-
-struct idc_msg;
-
-int idc_send_msg(struct idc_msg *msg, uint32_t mode);
-
-int idc_init(void);
-
-#endif /* __ACE_DRIVERS_IDC_H__ */
-
-#else
-
-#error "This file shouldn't be included from outside of platform/drivers/idc.h"
-
-#endif /* __PLATFORM_DRIVERS_IDC_H__ */
diff --git a/src/platform/intel/cavs/include/cavs/drivers/idc.h b/src/platform/intel/cavs/include/cavs/drivers/idc.h
deleted file mode 100644
index 11d30d7f446b..000000000000
--- a/src/platform/intel/cavs/include/cavs/drivers/idc.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright(c) 2018 Intel Corporation. All rights reserved.
- *
- * Author: Tomasz Lauda <tomasz.lauda@linux.intel.com>
- */
-
-#ifdef __PLATFORM_DRIVERS_IDC_H__
-
-#ifndef __CAVS_DRIVERS_IDC_H__
-#define __CAVS_DRIVERS_IDC_H__
-
-#include <stdint.h>
-
-struct idc_msg;
-
-#if CONFIG_MULTICORE
-
-int idc_send_msg(struct idc_msg *msg, uint32_t mode);
-
-int idc_init(void);
-
-int idc_restore(void);
-
-#else
-
-static inline int idc_send_msg(struct idc_msg *msg, uint32_t mode) { return 0; }
-
-static inline int idc_init(void) { return 0; }
-
-#endif
-
-#endif /* __CAVS_DRIVERS_IDC_H__ */
-
-#else
-
-#error "This file shouldn't be included from outside of platform/drivers/idc.h"
-
-#endif /* __PLATFORM_DRIVERS_IDC_H__ */
diff --git a/src/platform/lunarlake/include/platform/drivers/idc.h b/src/platform/lunarlake/include/platform/drivers/idc.h
deleted file mode 100644
index 4d3859729f14..000000000000
--- a/src/platform/lunarlake/include/platform/drivers/idc.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright(c) 2023 Intel Corporation. All rights reserved.
- */
-
-#if defined(__XTOS_RTOS_IDC_H__) || defined(__ZEPHYR_RTOS_IDC_H__)
-
-#ifndef __PLATFORM_DRIVERS_IDC_H__
-#define __PLATFORM_DRIVERS_IDC_H__
-
-#include <ace/drivers/idc.h>
-
-#endif /* __PLATFORM_DRIVERS_IDC_H__ */
-
-#else
-
-#error "This file shouldn't be included from outside of Zephyr/XTOS's rtos/idc.h"
-
-#endif
diff --git a/src/platform/meteorlake/include/platform/drivers/idc.h b/src/platform/meteorlake/include/platform/drivers/idc.h
deleted file mode 100644
index e63bfb0997f9..000000000000
--- a/src/platform/meteorlake/include/platform/drivers/idc.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright(c) 2022 Intel Corporation. All rights reserved.
- */
-
-#if defined(__XTOS_RTOS_IDC_H__) || defined(__ZEPHYR_RTOS_IDC_H__)
-
-#ifndef __PLATFORM_DRIVERS_IDC_H__
-#define __PLATFORM_DRIVERS_IDC_H__
-
-#include <ace/drivers/idc.h>
-
-#endif /* __PLATFORM_DRIVERS_IDC_H__ */
-
-#else
-
-#error "This file shouldn't be included from outside of Zephyr/XTOS's rtos/idc.h"
-
-#endif
diff --git a/src/platform/tigerlake/include/platform/drivers/idc.h b/src/platform/tigerlake/include/platform/drivers/idc.h
deleted file mode 100644
index 49d7e60f2cc4..000000000000
--- a/src/platform/tigerlake/include/platform/drivers/idc.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright(c) 2018 Intel Corporation. All rights reserved.
- *
- * Author: Tomasz Lauda <tomasz.lauda@linux.intel.com>
- */
-
-#if defined(__XTOS_RTOS_IDC_H__) || defined(__ZEPHYR_RTOS_IDC_H__)
-
-#ifndef __PLATFORM_DRIVERS_IDC_H__
-#define __PLATFORM_DRIVERS_IDC_H__
-
-#include <cavs/drivers/idc.h>
-
-#endif /* __PLATFORM_DRIVERS_IDC_H__ */
-
-#else
-
-#error "This file shouldn't be included from outside of Zephyr/XTOS's rtos/idc.h"
-
-#endif
diff --git a/zephyr/include/rtos/idc.h b/zephyr/include/rtos/idc.h
index 30a4069f8863..178048eb0cbd 100644
--- a/zephyr/include/rtos/idc.h
+++ b/zephyr/include/rtos/idc.h
@@ -14,7 +14,6 @@
 #ifndef __ZEPHYR_RTOS_IDC_H__
 #define __ZEPHYR_RTOS_IDC_H__
 
-#include <platform/drivers/idc.h>
 #include <rtos/task.h>
 #include <sof/trace/trace.h>
 #include <user/trace.h>
@@ -199,8 +198,12 @@ int idc_wait_in_blocking_mode(uint32_t target_core, bool (*cond)(int));
 
 int idc_msg_status_get(uint32_t core);
 
+int idc_init(void);
+
 void idc_init_thread(void);
 
+int idc_send_msg(struct idc_msg *msg, uint32_t mode);
+
 struct idc **idc_get(void);
 
 #endif /* __ZEPHYR_RTOS_IDC_H__ */