diff --git a/headers/posix/lock.h b/headers/posix/lock.h
deleted file mode 100644
index 05ad4e9330..0000000000
--- a/headers/posix/lock.h
+++ /dev/null
@@ -1,128 +0,0 @@
-#ifndef LOCK_H
-#define LOCK_H
-/* lock.h - benaphore locking, "faster semaphores", read/write locks
-**		sorry for all those macros; I wish C would support C++-style
-**		inline functions.
-**
-** Initial version by Axel Dörfler, axeld@pinc-software.de
-**
-** This file may be used under the terms of the OpenBeOS License.
-*/
-
-
-#include <SupportDefs.h>
-
-// for read/write locks
-#define MAX_READERS 100000
-
-
-struct benaphore {
-	sem_id	sem;
-	int32	count;
-};
-
-typedef struct benaphore benaphore;
-
-// it may make sense to add a status field to the rw_lock to
-// be able to check if the semaphore could be locked
-
-struct rw_lock {
-	sem_id		sem;
-	int32		count;
-	benaphore	writeLock;
-};
-
-typedef struct rw_lock rw_lock;
-
-#ifndef _KERNEL_
-#define INIT_BENAPHORE(lock,name) \
-	{ \
-		(lock).count = 1; \
-		(lock).sem = create_sem(0, name); \
-	}
-
-#else
-
-#define INIT_BENAPHORE(lock,name) \
-        { \
-                (lock).count = 1; \
-                (lock).sem = create_sem(0, name); \
-                set_sem_owner((lock).sem, B_SYSTEM_TEAM); \
-        }
-#endif
-
-
-#define CHECK_BENAPHORE(lock) \
-	((lock).sem)
-
-#define UNINIT_BENAPHORE(lock) \
-	delete_sem((lock).sem);
-
-#define ACQUIRE_BENAPHORE(lock) \
-	(atomic_add(&((lock).count), -1) <= 0 ? \
-		acquire_sem_etc((lock).sem, 1, B_CAN_INTERRUPT, 0) \
-		: B_OK)
-
-#define RELEASE_BENAPHORE(lock) \
-	{ \
-		if (atomic_add(&((lock).count), 1) < 0) \
-			release_sem((lock).sem); \
-	}
-
-/* read/write lock */
-#ifndef _KERNEL_
-#define INIT_RW_LOCK(lock,name) \
-	{ \
-		(lock).sem = create_sem(0, name); \
-		(lock).count = MAX_READERS; \
-		INIT_BENAPHORE((lock).writeLock, "r/w write lock"); \
-	}
-
-#else
-
-#define INIT_RW_LOCK(lock,name) \
-        { \
-                (lock).sem = create_sem(0, name); \
-                set_sem_owner((lock).sem, B_SYSTEM_TEAM); \
-                (lock).count = MAX_READERS; \
-                INIT_BENAPHORE((lock).writeLock, "r/w write lock"); \
-        }
-
-#endif
-#define CHECK_RW_LOCK(lock) \
-	((lock).sem)
-
-#define UNINIT_RW_LOCK(lock) \
-	delete_sem((lock).sem); \
-	UNINIT_BENAPHORE((lock).writeLock)
-
-#define ACQUIRE_READ_LOCK(lock) \
-	{ \
-		if (atomic_add(&(lock).count, -1) <= 0) \
-			acquire_sem((lock).sem); \
-	}
-
-#define RELEASE_READ_LOCK(lock) \
-	{ \
-		if (atomic_add(&(lock).count, 1) < 0) \
-			release_sem((lock).sem); \
-	}
-
-#define ACQUIRE_WRITE_LOCK(lock) \
-	{ \
-		int32 readers; \
-		ACQUIRE_BENAPHORE((lock).writeLock); \
-		readers = atomic_add(&(lock).count, -MAX_READERS); \
-		if (readers < MAX_READERS) \
-			acquire_sem_etc((lock).sem,readers <= 0 ? 1 : MAX_READERS - readers,0,0); \
-		RELEASE_BENAPHORE((lock).writeLock); \
-	}
-
-#define RELEASE_WRITE_LOCK(lock) \
-	{ \
-		int32 readers = atomic_add(&(lock).count,MAX_READERS); \
-		if (readers < 0) \
-			release_sem_etc((lock).sem,readers <= -MAX_READERS ? 1 : -readers,B_CAN_INTERRUPT); \
-	}
-
-#endif	/* LOCK_H */
diff --git a/headers/posix/net_timer.h b/headers/posix/net_timer.h
deleted file mode 100644
index c700d76d56..0000000000
--- a/headers/posix/net_timer.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef NET_TIMER_H
-#define NET_TIMER_H
-/* net_timer.h - a small and more or less inaccurate timer for net modules.
-**		The registered hooks will be called in the thread of the timer.
-**
-** Initial version by Axel Dörfler, axeld@pinc-software.de
-**
-** This file may be used under the terms of the OpenBeOS License.
-*/
-
-
-#include <SupportDefs.h>
-
-
-typedef void (*net_timer_hook)(void *);
-typedef int32 net_timer_id;
-
-
-extern status_t net_init_timer(void);
-extern void net_shutdown_timer(void);
-
-extern net_timer_id net_add_timer(net_timer_hook hook, void *data, bigtime_t interval);
-extern status_t net_remove_timer(net_timer_id);
-
-
-#endif	/* NET_TIMER_H */
diff --git a/headers/posix/pools.h b/headers/posix/pools.h
deleted file mode 100644
index 61d3b1d182..0000000000
--- a/headers/posix/pools.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/* pools.h
- * simple fixed size block allocator
- */
-
-#ifndef OBOS_POOLS_H
-#define OBOS_POOLS_H
-
-
-#include <kernel/OS.h>
-
-#include "lock.h"
-
-
-typedef struct pool_ctl	pool_ctl;
-
-struct pool_mem {
-	struct pool_mem *next;
-	area_id	aid;
-	char *base_addr;
-	size_t mem_size;
-	char *ptr;
-	size_t avail;
-	benaphore lock;
-};
-
-struct free_blk {
-	char *next;
-};
-
-#define POOL_USES_BENAPHORES 0
-#define POOL_DEBUG_NAME_SZ	32
-
-struct pool_ctl {
-	struct pool_mem *list;
-	char *freelist;
-	size_t alloc_size;
-	size_t block_size;
-#if POOL_USES_BENAPHORES
-	benaphore lock;
-#else
-	rw_lock lock;
-#endif
-	int debug;
-	char name[POOL_DEBUG_NAME_SZ];
-};
-
-status_t pool_init(pool_ctl **p, size_t sz);
-char *pool_get(pool_ctl *p);
-void pool_put(pool_ctl *p, void *ptr);
-void pool_destroy(pool_ctl *p);
-void pool_debug(struct pool_ctl *p, char *name);
-
-void pool_debug_walk(pool_ctl *p);
-
-#endif	/* OBOS_POOLS_H */