diff --git a/lib/utils_loop.c b/lib/utils_loop.c
index a23130ff..38726bc5 100644
--- a/lib/utils_loop.c
+++ b/lib/utils_loop.c
@@ -32,9 +32,6 @@
 #ifdef HAVE_SYS_SYSMACROS_H
 # include <sys/sysmacros.h>     /* for major, minor */
 #endif
-#ifdef HAVE_SYS_STATVFS_H
-# include <sys/statvfs.h>
-#endif
 #include <linux/loop.h>
 
 #include "utils_loop.h"
@@ -53,11 +50,6 @@
 #define LOOP_SET_CAPACITY 0x4C07
 #endif
 
-#ifndef LO_FLAGS_BLOCKSIZE
-#define LO_FLAGS_BLOCKSIZE 32
-#define LO_INFO_BLOCKSIZE(l) (l)->lo_init[0]
-#endif
-
 static char *crypt_loop_get_device_old(void)
 {
 	char dev[20];
@@ -108,21 +100,6 @@ static char *crypt_loop_get_device(void)
 	return strdup(dev);
 }
 
-static size_t crypt_loop_block_size_fd(int fd)
-{
-	size_t bs = 512;
-#ifdef HAVE_SYS_STATVFS_H
-	struct statvfs buf;
-
-	if (!fstatvfs(fd, &buf) && buf.f_bsize)
-		bs = (size_t)buf.f_bsize;
-
-	if (bs != 1024 && bs != 2048 && bs != 4096)
-		bs = 512;
-#endif
-	return bs;
-}
-
 int crypt_loop_attach(char **loop, const char *file, int offset,
 		      int autoclear, int *readonly)
 {
@@ -167,9 +144,6 @@ int crypt_loop_attach(char **loop, const char *file, int offset,
 	if (autoclear)
 		lo64.lo_flags |= LO_FLAGS_AUTOCLEAR;
 
-	LO_INFO_BLOCKSIZE(&lo64) = crypt_loop_block_size_fd(file_fd);
-	lo64.lo_flags |= LO_FLAGS_BLOCKSIZE;
-
 	if (ioctl(loop_fd, LOOP_SET_STATUS64, &lo64) < 0) {
 		(void)ioctl(loop_fd, LOOP_CLR_FD, 0);
 		goto out;