Index: uspace/srv/fs/minixfs/mfs.h
===================================================================
--- uspace/srv/fs/minixfs/mfs.h	(revision 365e5e083c400383bdb124d8c5f9d516bcae7476)
+++ uspace/srv/fs/minixfs/mfs.h	(revision 6468072e33e01f8832bf89aca3f3fad668a123e0)
@@ -209,7 +209,4 @@
 
 extern int
-free_zone(struct mfs_node *mnode, const uint32_t zone);
-
-extern int
 prune_ind_zones(struct mfs_node *mnode, size_t new_size);
 
Index: uspace/srv/fs/minixfs/mfs_rw.c
===================================================================
--- uspace/srv/fs/minixfs/mfs_rw.c	(revision 365e5e083c400383bdb124d8c5f9d516bcae7476)
+++ uspace/srv/fs/minixfs/mfs_rw.c	(revision 6468072e33e01f8832bf89aca3f3fad668a123e0)
@@ -90,19 +90,4 @@
 }
 
-int
-free_zone(struct mfs_node *mnode, const uint32_t zone)
-{
-	int r;
-	uint32_t old_zone;
-
-	r = rw_map_ondisk(&old_zone, mnode, zone, true, 0);
-	on_error(r, return r);
-
-	if (old_zone > 0)
-		r = mfs_free_zone(mnode->instance, old_zone);
-
-	return r;
-}
-
 static int
 rw_map_ondisk(uint32_t *b, const struct mfs_node *mnode, int rblock,