diff --git a/config/kernel-bdi.m4 b/config/kernel-bdi.m4
deleted file mode 100644
index 95f1291dde8c..000000000000
--- a/config/kernel-bdi.m4
+++ /dev/null
@@ -1,56 +0,0 @@
-dnl #
-dnl # Check available BDI interfaces.
-dnl #
-AC_DEFUN([ZFS_AC_KERNEL_SRC_BDI], [
-	ZFS_LINUX_TEST_SRC([super_setup_bdi_name], [
-		#include <linux/fs.h>
-		struct super_block sb;
-	], [
-		char *name = "bdi";
-		atomic_long_t zfs_bdi_seq;
-		int error __attribute__((unused));
-		atomic_long_set(&zfs_bdi_seq, 0);
-		error =
-		    super_setup_bdi_name(&sb, "%.28s-%ld", name,
-		    atomic_long_inc_return(&zfs_bdi_seq));
-	])
-
-	ZFS_LINUX_TEST_SRC([bdi_setup_and_register], [
-		#include <linux/backing-dev.h>
-		struct backing_dev_info bdi;
-	], [
-		char *name = "bdi";
-		int error __attribute__((unused)) =
-		    bdi_setup_and_register(&bdi, name);
-	])
-])
-
-AC_DEFUN([ZFS_AC_KERNEL_BDI], [
-	dnl #
-	dnl # 4.12, super_setup_bdi_name() introduced.
-	dnl #
-	AC_MSG_CHECKING([whether super_setup_bdi_name() exists])
-	ZFS_LINUX_TEST_RESULT_SYMBOL([super_setup_bdi_name],
-	    [super_setup_bdi_name], [fs/super.c], [
-		AC_MSG_RESULT(yes)
-		AC_DEFINE(HAVE_SUPER_SETUP_BDI_NAME, 1,
-                    [super_setup_bdi_name() exits])
-	], [
-		AC_MSG_RESULT(no)
-
-		dnl #
-		dnl # 4.0 - 4.11, bdi_setup_and_register() takes 2 arguments.
-		dnl #
-		AC_MSG_CHECKING(
-		    [whether bdi_setup_and_register() wants 2 args])
-		ZFS_LINUX_TEST_RESULT_SYMBOL([bdi_setup_and_register],
-		    [bdi_setup_and_register], [mm/backing-dev.c], [
-			AC_MSG_RESULT(yes)
-			AC_DEFINE(HAVE_2ARGS_BDI_SETUP_AND_REGISTER, 1,
-			    [bdi_setup_and_register() wants 2 args])
-		], [
-			AC_MSG_RESULT(no)
-			ZFS_LINUX_TEST_ERROR([bdi_setup])
-		])
-	])
-])
diff --git a/config/kernel.m4 b/config/kernel.m4
index eb13e6684f44..1c34daea5d70 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -77,7 +77,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
 	ZFS_AC_KERNEL_SRC_TRUNCATE_SETSIZE
 	ZFS_AC_KERNEL_SRC_SECURITY_INODE
 	ZFS_AC_KERNEL_SRC_FST_MOUNT
-	ZFS_AC_KERNEL_SRC_BDI
 	ZFS_AC_KERNEL_SRC_SET_NLINK
 	ZFS_AC_KERNEL_SRC_SGET
 	ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO
@@ -191,7 +190,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
 	ZFS_AC_KERNEL_TRUNCATE_SETSIZE
 	ZFS_AC_KERNEL_SECURITY_INODE
 	ZFS_AC_KERNEL_FST_MOUNT
-	ZFS_AC_KERNEL_BDI
 	ZFS_AC_KERNEL_SET_NLINK
 	ZFS_AC_KERNEL_SGET
 	ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO
diff --git a/include/os/linux/kernel/linux/vfs_compat.h b/include/os/linux/kernel/linux/vfs_compat.h
index 369829a8f653..3caa61ec514f 100644
--- a/include/os/linux/kernel/linux/vfs_compat.h
+++ b/include/os/linux/kernel/linux/vfs_compat.h
@@ -32,54 +32,6 @@
 #include <linux/backing-dev.h>
 #include <linux/compat.h>
 
-/*
- * 4.0 - 4.11, bdi_setup_and_register() takes 2 arguments.
- * 4.12 - x.y, super_setup_bdi_name() new interface.
- */
-#if defined(HAVE_SUPER_SETUP_BDI_NAME)
-extern atomic_long_t zfs_bdi_seq;
-
-static inline int
-zpl_bdi_setup(struct super_block *sb, char *name)
-{
-	return super_setup_bdi_name(sb, "%.28s-%ld", name,
-	    atomic_long_inc_return(&zfs_bdi_seq));
-}
-static inline void
-zpl_bdi_destroy(struct super_block *sb)
-{
-}
-#elif defined(HAVE_2ARGS_BDI_SETUP_AND_REGISTER)
-static inline int
-zpl_bdi_setup(struct super_block *sb, char *name)
-{
-	struct backing_dev_info *bdi;
-	int error;
-
-	bdi = kmem_zalloc(sizeof (struct backing_dev_info), KM_SLEEP);
-	error = bdi_setup_and_register(bdi, name);
-	if (error) {
-		kmem_free(bdi, sizeof (struct backing_dev_info));
-		return (error);
-	}
-
-	sb->s_bdi = bdi;
-
-	return (0);
-}
-static inline void
-zpl_bdi_destroy(struct super_block *sb)
-{
-	struct backing_dev_info *bdi = sb->s_bdi;
-
-	bdi_destroy(bdi);
-	kmem_free(bdi, sizeof (struct backing_dev_info));
-	sb->s_bdi = NULL;
-}
-#else
-#error "Unsupported kernel"
-#endif
-
 /*
  * 4.14 adds SB_* flag definitions, define them to MS_* equivalents
  * if not set.
diff --git a/module/os/linux/zfs/zfs_vfsops.c b/module/os/linux/zfs/zfs_vfsops.c
index 9d695a50cf3d..b28efd3c58cd 100644
--- a/module/os/linux/zfs/zfs_vfsops.c
+++ b/module/os/linux/zfs/zfs_vfsops.c
@@ -1385,9 +1385,7 @@ zfsvfs_teardown(zfsvfs_t *zfsvfs, boolean_t unmounting)
 	return (0);
 }
 
-#if defined(HAVE_SUPER_SETUP_BDI_NAME)
-atomic_long_t zfs_bdi_seq = ATOMIC_LONG_INIT(0);
-#endif
+static atomic_long_t zfs_bdi_seq = ATOMIC_LONG_INIT(0);
 
 int
 zfs_domount(struct super_block *sb, zfs_mnt_t *zm, int silent)
@@ -1448,7 +1446,8 @@ zfs_domount(struct super_block *sb, zfs_mnt_t *zm, int silent)
 	sb->s_blocksize = recordsize;
 	sb->s_blocksize_bits = ilog2(recordsize);
 
-	error = -zpl_bdi_setup(sb, "zfs");
+	error = -super_setup_bdi_name(sb, "%.28s-%ld", "zfs",
+	    atomic_long_inc_return(&zfs_bdi_seq));
 	if (error)
 		goto out;
 
@@ -1576,7 +1575,6 @@ zfs_umount(struct super_block *sb)
 		arc_remove_prune_callback(zfsvfs->z_arc_prune);
 	VERIFY(zfsvfs_teardown(zfsvfs, B_TRUE) == 0);
 	os = zfsvfs->z_os;
-	zpl_bdi_destroy(sb);
 
 	/*
 	 * z_os will be NULL if there was an error in