diff --git a/core/os/threaded_array_processor.h b/core/os/threaded_array_processor.h
deleted file mode 100644
index 34b417ae571..00000000000
--- a/core/os/threaded_array_processor.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/**************************************************************************/
-/*  threaded_array_processor.h                                            */
-/**************************************************************************/
-/*                         This file is part of:                          */
-/*                             GODOT ENGINE                               */
-/*                        https://godotengine.org                         */
-/**************************************************************************/
-/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
-/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
-/*                                                                        */
-/* Permission is hereby granted, free of charge, to any person obtaining  */
-/* a copy of this software and associated documentation files (the        */
-/* "Software"), to deal in the Software without restriction, including    */
-/* without limitation the rights to use, copy, modify, merge, publish,    */
-/* distribute, sublicense, and/or sell copies of the Software, and to     */
-/* permit persons to whom the Software is furnished to do so, subject to  */
-/* the following conditions:                                              */
-/*                                                                        */
-/* The above copyright notice and this permission notice shall be         */
-/* included in all copies or substantial portions of the Software.        */
-/*                                                                        */
-/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
-/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
-/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
-/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
-/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
-/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
-/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
-/**************************************************************************/
-
-#ifndef THREADED_ARRAY_PROCESSOR_H
-#define THREADED_ARRAY_PROCESSOR_H
-
-#include "core/os/os.h"
-#include "core/os/thread.h"
-#include "core/os/thread_safe.h"
-#include "core/templates/safe_refcount.h"
-
-template <class C, class U>
-struct ThreadArrayProcessData {
-	uint32_t elements;
-	SafeNumeric<uint32_t> index;
-	C *instance;
-	U userdata;
-	void (C::*method)(uint32_t, U);
-
-	void process(uint32_t p_index) {
-		(instance->*method)(p_index, userdata);
-	}
-};
-
-template <class T>
-void process_array_thread(void *ud) {
-	T &data = *(T *)ud;
-	while (true) {
-		uint32_t index = data.index.increment();
-		if (index >= data.elements) {
-			break;
-		}
-		data.process(index);
-	}
-}
-
-template <class C, class M, class U>
-void thread_process_array(uint32_t p_elements, C *p_instance, M p_method, U p_userdata) {
-	ThreadArrayProcessData<C, U> data;
-	data.method = p_method;
-	data.instance = p_instance;
-	data.userdata = p_userdata;
-	data.index.set(0);
-	data.elements = p_elements;
-	data.process(0); //process first, let threads increment for next
-
-	int thread_count = OS::get_singleton()->get_processor_count();
-	Thread *threads = memnew_arr(Thread, thread_count);
-
-	for (int i = 0; i < thread_count; i++) {
-		threads[i].start(process_array_thread<ThreadArrayProcessData<C, U>>, &data);
-	}
-
-	for (int i = 0; i < thread_count; i++) {
-		threads[i].wait_to_finish();
-	}
-	memdelete_arr(threads);
-}
-
-#endif // THREADED_ARRAY_PROCESSOR_H