diff --git a/src/add-ons/kernel/file_systems/udf/cache.h b/src/add-ons/kernel/file_systems/udf/cache.h
deleted file mode 100644
index a0e913840e..0000000000
--- a/src/add-ons/kernel/file_systems/udf/cache.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
-	Copyright 1999-2001, Be Incorporated.   All Rights Reserved.
-	This file may be used under the terms of the Be Sample Code License.
-*/
-
-#ifndef _CACHE_H_
-#define _CACHE_H_
-
-#include <BeBuild.h>
-
-typedef struct hash_ent {
-	int              dev;
-	off_t            bnum;
-	off_t            hash_val;
-	void            *data;
-	struct hash_ent *next;
-} hash_ent;
-
-
-typedef struct hash_table {
-    hash_ent **table;
-    int        max;
-    int        mask;          /* == max - 1 */
-    int        num_elements;
-} hash_table;
-
-
-#define HT_DEFAULT_MAX   128
-
-
-typedef struct cache_ent {
-	int               dev;
-	off_t             block_num;
-	int               bsize;
-	volatile int      flags;
-
-	void             *data;
-	void             *clone;         /* copy of data by set_block_info() */
-	int               lock;
-
-	void            (*func)(off_t bnum, size_t num_blocks, void *arg);
-	off_t             logged_bnum;
-	void             *arg;
-
-	struct cache_ent *next,          /* points toward mru end of list */
-	                 *prev;          /* points toward lru end of list */
-
-} cache_ent;
-
-#define CE_NORMAL    0x0000     /* a nice clean pristine page */
-#define CE_DIRTY     0x0002     /* needs to be written to disk */
-#define CE_BUSY      0x0004     /* this block has i/o happening, don't touch it */
-
-
-typedef struct cache_ent_list {
-	cache_ent *lru;              /* tail of the list */
-	cache_ent *mru;              /* head of the list */
-} cache_ent_list;
-
-
-typedef struct block_cache {
-	struct lock		lock;
-	int			 	flags;
-    int				cur_blocks;
-	int				max_blocks;
-	hash_table		ht;
-
-	cache_ent_list	normal,       /* list of "normal" blocks (clean & dirty) */
-					locked;       /* list of clean and locked blocks */
-} block_cache;
-
-#if 0   /* XXXdbg -- need to deal with write through caches */
-#define DC_WRITE_THROUGH    0x0001  /* cache is write-through (for floppies) */
-#endif
-
-#define ALLOW_WRITES  1
-#define NO_WRITES     0
-
-extern _IMPEXP_KERNEL int   init_block_cache(int max_blocks, int flags);
-extern _IMPEXP_KERNEL void  shutdown_block_cache(void);
-
-extern _IMPEXP_KERNEL void  force_cache_flush(int dev, int prefer_log_blocks);
-extern _IMPEXP_KERNEL int   flush_blocks(int dev, off_t bnum, int nblocks);
-extern _IMPEXP_KERNEL int   flush_device(int dev, int warn_locked);
-
-extern _IMPEXP_KERNEL int   init_cache_for_device(int fd, off_t max_blocks);
-extern _IMPEXP_KERNEL int   remove_cached_device_blocks(int dev, int allow_write);
-
-extern _IMPEXP_KERNEL void *get_block(int dev, off_t bnum, int bsize);
-extern _IMPEXP_KERNEL void *get_empty_block(int dev, off_t bnum, int bsize);
-extern _IMPEXP_KERNEL int   release_block(int dev, off_t bnum);
-extern _IMPEXP_KERNEL int   mark_blocks_dirty(int dev, off_t bnum, int nblocks);
-
-
-extern _IMPEXP_KERNEL int  cached_read(int dev, off_t bnum, void *data, off_t num_blocks, int bsize);
-extern _IMPEXP_KERNEL int  cached_write(int dev, off_t bnum, const void *data,
-				  off_t num_blocks, int bsize);
-extern _IMPEXP_KERNEL int  cached_write_locked(int dev, off_t bnum, const void *data,
-						 off_t num_blocks, int bsize);
-extern _IMPEXP_KERNEL int  set_blocks_info(int dev, off_t *blocks, int nblocks,
-					 void (*func)(off_t bnum, size_t nblocks, void *arg),
-					 void *arg);
-
-
-extern _IMPEXP_KERNEL size_t read_phys_blocks (int fd, off_t bnum, void *data, uint num_blocks, int bsize);
-extern _IMPEXP_KERNEL size_t write_phys_blocks(int fd, off_t bnum, void *data, uint num_blocks, int bsize);
-
-#endif /* _CACHE_H_ */