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diff --git a/sbin/fsck_ffs/setup.c b/sbin/fsck_ffs/setup.c
index f10f02d159c3..41b4a5336350 100644
--- a/sbin/fsck_ffs/setup.c
+++ b/sbin/fsck_ffs/setup.c
@@ -58,7 +58,6 @@ char *copybuf; /* buffer to copy snapshot blocks */
static int sbhashfailed;
#define POWEROF2(num) (((num) & ((num) - 1)) == 0)
-static int calcsb(char *dev, int devfd, struct fs *fs);
static void saverecovery(int readfd, int writefd);
static int chkrecovery(int devfd);
static int getlbnblkno(struct inodesc *);
@@ -500,52 +499,6 @@ sblock_init(void)
dev_bsize = secsize = DEV_BSIZE;
}
-/*
- * Calculate a prototype superblock based on information in the boot area.
- * When done the cgsblock macro can be calculated and the fs_ncg field
- * can be used. Do NOT attempt to use other macros without verifying that
- * their needed information is available!
- */
-static int
-calcsb(char *dev, int devfd, struct fs *fs)
-{
- struct fsrecovery *fsr;
- char *fsrbuf;
- u_int secsize;
-
- /*
- * We need fragments-per-group and the partition-size.
- *
- * Newfs stores these details at the end of the boot block area
- * at the start of the filesystem partition. If they have been
- * overwritten by a boot block, we fail. But usually they are
- * there and we can use them.
- */
- if (ioctl(devfd, DIOCGSECTORSIZE, &secsize) == -1)
- return (0);
- fsrbuf = Balloc(secsize);
- if (fsrbuf == NULL)
- errx(EEXIT, "calcsb: cannot allocate recovery buffer");
- if (blread(devfd, fsrbuf,
- (SBLOCK_UFS2 - secsize) / dev_bsize, secsize) != 0) {
- free(fsrbuf);
- return (0);
- }
- fsr = (struct fsrecovery *)&fsrbuf[secsize - sizeof *fsr];
- if (fsr->fsr_magic != FS_UFS2_MAGIC) {
- free(fsrbuf);
- return (0);
- }
- memset(fs, 0, sizeof(struct fs));
- fs->fs_fpg = fsr->fsr_fpg;
- fs->fs_fsbtodb = fsr->fsr_fsbtodb;
- fs->fs_sblkno = fsr->fsr_sblkno;
- fs->fs_magic = fsr->fsr_magic;
- fs->fs_ncg = fsr->fsr_ncg;
- free(fsrbuf);
- return (1);
-}
-
/*
* Check to see if recovery information exists.
* Return 1 if it exists or cannot be created.
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