diff --git a/bash-completion/blockdev b/bash-completion/blockdev
index ce986cb45..588995562 100644
--- a/bash-completion/blockdev
+++ b/bash-completion/blockdev
@@ -19,7 +19,6 @@ _blockdev_module()
 		--getalignoff
 		--getmaxsect
 		--getbsz
-		--setbsz
 		--getsize64
 		--setra
 		--getra
@@ -29,11 +28,7 @@ _blockdev_module()
 		--rereadpt
 		$DEVS"
 	case $prev in
-		'--setbsz')
-			COMPREPLY=( $(compgen -W "bytes" -- $cur) )
-			return 0
-			;;
-		'--setbsz'|'--setfra')
+		'--setfra')
 			COMPREPLY=( $(compgen -W "sectors" -- $cur) )
 			return 0
 			;;
diff --git a/disk-utils/blockdev.8 b/disk-utils/blockdev.8
index 2b3d64c88..6ab43249f 100644
--- a/disk-utils/blockdev.8
+++ b/disk-utils/blockdev.8
@@ -67,8 +67,6 @@ Print sectorsize in bytes - usually 512.
 Get size in 512-byte sectors.
 .IP "\fB\-\-rereadpt\fP"
 Reread partition table
-.IP "\fB\-\-setbsz\fP \fIbytes\fP"
-Set blocksize.
 .IP "\fB\-\-setfra\fP \fIsectors\fP"
 Set filesystem readahead (same like --setra on 2.6 kernels).
 .IP "\fB\-\-setra\fP \fIsectors\fP"
diff --git a/disk-utils/blockdev.c b/disk-utils/blockdev.c
index 4543818bd..dc02d48c0 100644
--- a/disk-utils/blockdev.c
+++ b/disk-utils/blockdev.c
@@ -121,13 +121,6 @@ static const struct bdc bdcms[] =
 		.argtype = ARG_INT,
 		.argval = -1,
 		.help = N_("get blocksize")
-	},{
-		IOCTL_ENTRY(BLKBSZSET),
-		.name = "--setbsz",
-		.argname = "<bytes>",
-		.argtype = ARG_INT,
-		.flags = FL_NORESULT,
-	        .help = N_("set blocksize")
 	},{
 		IOCTL_ENTRY(BLKGETSIZE),
 		.name = "--getsize",