diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index 2514e5fcda7f..8042f55dd323 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -85,70 +85,6 @@ typedef struct mdk_rdev_s mdk_rdev_t;
 
 #define MAX_CHUNK_SIZE (4096*1024)
 
-/*
- * default readahead
- */
-
-static inline int disk_faulty(mdp_disk_t * d)
-{
-	return d->state & (1 << MD_DISK_FAULTY);
-}
-
-static inline int disk_active(mdp_disk_t * d)
-{
-	return d->state & (1 << MD_DISK_ACTIVE);
-}
-
-static inline int disk_sync(mdp_disk_t * d)
-{
-	return d->state & (1 << MD_DISK_SYNC);
-}
-
-static inline int disk_spare(mdp_disk_t * d)
-{
-	return !disk_sync(d) && !disk_active(d) && !disk_faulty(d);
-}
-
-static inline int disk_removed(mdp_disk_t * d)
-{
-	return d->state & (1 << MD_DISK_REMOVED);
-}
-
-static inline void mark_disk_faulty(mdp_disk_t * d)
-{
-	d->state |= (1 << MD_DISK_FAULTY);
-}
-
-static inline void mark_disk_active(mdp_disk_t * d)
-{
-	d->state |= (1 << MD_DISK_ACTIVE);
-}
-
-static inline void mark_disk_sync(mdp_disk_t * d)
-{
-	d->state |= (1 << MD_DISK_SYNC);
-}
-
-static inline void mark_disk_spare(mdp_disk_t * d)
-{
-	d->state = 0;
-}
-
-static inline void mark_disk_removed(mdp_disk_t * d)
-{
-	d->state = (1 << MD_DISK_FAULTY) | (1 << MD_DISK_REMOVED);
-}
-
-static inline void mark_disk_inactive(mdp_disk_t * d)
-{
-	d->state &= ~(1 << MD_DISK_ACTIVE);
-}
-
-static inline void mark_disk_nonsync(mdp_disk_t * d)
-{
-	d->state &= ~(1 << MD_DISK_SYNC);
-}
-
 /*
  * MD's 'extended' device
  */