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diff --git a/include/distortos/internal/memory/DeferredThreadDeleter.hpp b/include/distortos/internal/memory/DeferredThreadDeleter.hpp
deleted file mode 100644
index bb38ebc..0000000
--- a/include/distortos/internal/memory/DeferredThreadDeleter.hpp
+++ /dev/null
@@ -1,121 +0,0 @@
-/**
- * \file
- * \brief DeferredThreadDeleter class header
- *
- * \author Copyright (C) 2015 Kamil Szczygiel http://www.distortec.com http://www.freddiechopin.info
- *
- * \par License
- * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not
- * distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-#ifndef INCLUDE_DISTORTOS_INTERNAL_MEMORY_DEFERREDTHREADDELETER_HPP_
-#define INCLUDE_DISTORTOS_INTERNAL_MEMORY_DEFERREDTHREADDELETER_HPP_
-
-#include "distortos/distortosConfiguration.h"
-
-#ifdef CONFIG_THREAD_DETACH_ENABLE
-
-#include "distortos/Mutex.hpp"
-
-namespace distortos
-{
-
-namespace internal
-{
-
-/// DeferredThreadDeleter class can be used to defer deletion of dynamic detached threads
-class DeferredThreadDeleter
-{
-public:
-
-	/**
-	 * \brief DeferredThreadDeleter's constructor
-	 */
-
-	constexpr DeferredThreadDeleter() :
-			list_{},
-			mutex_{Mutex::Type::normal, Mutex::Protocol::priorityInheritance},
-			notEmpty_{}
-	{
-
-	}
-
-	/**
-	 * \brief DeferredThreadDeleter's function call operator
-	 *
-	 * Adds thread to internal list of threads scheduled for deferred deletion and marks the list as "not empty".
-	 *
-	 * \note The object must be locked (with a successful call to DeferredThreadDeleter::lock()) before this function is
-	 * used!
-	 *
-	 * \param [in] threadControlBlock is a reference to ThreadControlBlock object associated with dynamic and detached
-	 * thread that has terminated its execution
-	 *
-	 * \return 0 on success, error code otherwise:
-	 * - error codes returned by Mutex::unlock();
-	 */
-
-	int operator()(ThreadControlBlock& threadControlBlock);
-
-	/**
-	 * \brief Locks the object, preparing it for adding thread to internal list.
-	 *
-	 * Locks the mutex that synchronizes access to internal list. Locking (performed in this function) and unlocking
-	 * (performed at the end of function call operator) are separated, because the locking must be done while the thread
-	 * is still runnable, while the transfer to internal list is performed when the thread is not in this state.
-	 *
-	 * \note This function must be called before function call operator is used!
-	 *
-	 * \return 0 on success, error code otherwise:
-	 * - error codes returned by Mutex::lock();
-	 */
-
-	int lock();
-
-	/**
-	 * \brief Tries to perform deferred deletion of threads.
-	 *
-	 * Does nothing is the list is not marked as "not empty". Otherwise this function first tries to lock following two
-	 * mutexes:
-	 * - mutex that protects dynamic memory allocator;
-	 * - mutex that synchronizes access to list of threads scheduled for deferred deletion;
-	 * If any Mutex::tryLock() call fails, this function just returns (unlocking any mutexes is necessary). Otherwise
-	 * the threads are removed from the list and deleted, while the list's "not empty" marker is cleared.
-	 *
-	 * \return 0 on success, error code otherwise:
-	 * - error codes returned by Mutex::tryLock();
-	 * - error codes returned by Mutex::unlock();
-	 */
-
-	int tryCleanup();
-
-private:
-
-	/**
-	 * \brief Internals of tryCleanup().
-	 *
-	 * \return 0 on success, error code otherwise:
-	 * - error codes returned by Mutex::tryLock();
-	 * - error codes returned by Mutex::unlock();
-	 */
-
-	int tryCleanupInternal();
-
-	/// list of threads scheduled for deferred deletion
-	ThreadList::UnsortedIntrusiveList list_;
-
-	/// mutex that synchronizes access to the \a list_
-	Mutex mutex_;
-
-	/// true if \a list_ is not empty, false otherwise
-	bool notEmpty_;
-};
-
-}	// namespace internal
-
-}	// namespace distortos
-
-#endif	// def CONFIG_THREAD_DETACH_ENABLE
-
-#endif	// INCLUDE_DISTORTOS_INTERNAL_MEMORY_DEFERREDTHREADDELETER_HPP_