diff --git a/components/esp_rom/include/esp32c3/rom/newlib.h b/components/esp_rom/include/esp32c3/rom/newlib.h
deleted file mode 100644
index a852bdb7f5..0000000000
--- a/components/esp_rom/include/esp32c3/rom/newlib.h
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 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.
-#pragma once
-
-#include <sys/lock.h>
-#include <sys/reent.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Global variables used by newlib in ROM
-
-   Note that any of these symbols which are used by both ROM & IDF will have duplicate copies
-   in each "side" of the memory. However they're all pointers, and the pointers will be to the same
-   thing, so it's not a big memory waste and functionality is the same.
-
-   Some variables which look like they should be here, but aren't:
-
-   - __sf_fake_stdin, __sf_fake_stdout, __sf_fake_stderr - These are defined in ROM because ROM includes findfp.c,
-   but only used if _REENT_INIT or _REENT_INIT_PTR are ever called and ROM doesn't use these macros anywhere unless
-   printf() or similar is called without initializing reent first. ESP-IDF sets up its own minimal reent structures.
-
-   - __lock___sinit_recursive_mutex, etc. - these are combined into common_recursive_mutex & common_mutex to save space
-*/
-typedef struct {
-    _LOCK_T common_recursive_mutex;
-    _LOCK_T common_mutex;
-    struct _reent *global_reent;
-} esp_rom_newlib_global_data_t;
-
-/* Called from IDF newlib component setup
-   to initialize common data shared between ROM and IDF
-*/
-void esp_rom_newlib_init_global_data(const esp_rom_newlib_global_data_t *data);
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/components/esp_rom/include/esp32h2/rom/newlib.h b/components/esp_rom/include/esp32h2/rom/newlib.h
deleted file mode 100644
index a852bdb7f5..0000000000
--- a/components/esp_rom/include/esp32h2/rom/newlib.h
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright 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.
-#pragma once
-
-#include <sys/lock.h>
-#include <sys/reent.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Global variables used by newlib in ROM
-
-   Note that any of these symbols which are used by both ROM & IDF will have duplicate copies
-   in each "side" of the memory. However they're all pointers, and the pointers will be to the same
-   thing, so it's not a big memory waste and functionality is the same.
-
-   Some variables which look like they should be here, but aren't:
-
-   - __sf_fake_stdin, __sf_fake_stdout, __sf_fake_stderr - These are defined in ROM because ROM includes findfp.c,
-   but only used if _REENT_INIT or _REENT_INIT_PTR are ever called and ROM doesn't use these macros anywhere unless
-   printf() or similar is called without initializing reent first. ESP-IDF sets up its own minimal reent structures.
-
-   - __lock___sinit_recursive_mutex, etc. - these are combined into common_recursive_mutex & common_mutex to save space
-*/
-typedef struct {
-    _LOCK_T common_recursive_mutex;
-    _LOCK_T common_mutex;
-    struct _reent *global_reent;
-} esp_rom_newlib_global_data_t;
-
-/* Called from IDF newlib component setup
-   to initialize common data shared between ROM and IDF
-*/
-void esp_rom_newlib_init_global_data(const esp_rom_newlib_global_data_t *data);
-
-#ifdef __cplusplus
-}
-#endif