diff --git a/components/esp_rom/include/esp32c6/rom/apb_backup_dma.h b/components/esp_rom/include/esp32c6/rom/apb_backup_dma.h
deleted file mode 100644
index 08c98eff64..0000000000
--- a/components/esp_rom/include/esp32c6/rom/apb_backup_dma.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#pragma once
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void ets_apb_backup_init_lock_func(void(* _apb_backup_lock)(void), void(* _apb_backup_unlock)(void));
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/components/esp_rom/include/esp32h2/rom/apb_backup_dma.h b/components/esp_rom/include/esp32h2/rom/apb_backup_dma.h
deleted file mode 100644
index 08c98eff64..0000000000
--- a/components/esp_rom/include/esp32h2/rom/apb_backup_dma.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#pragma once
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void ets_apb_backup_init_lock_func(void(* _apb_backup_lock)(void), void(* _apb_backup_unlock)(void));
-
-#ifdef __cplusplus
-}
-#endif