diff --git a/config/kernel-get-disk-and-module.m4 b/config/kernel-get-disk-and-module.m4
deleted file mode 100644
index 51cf7743cf0b..000000000000
--- a/config/kernel-get-disk-and-module.m4
+++ /dev/null
@@ -1,24 +0,0 @@
-dnl #
-dnl # 4.16 API change
-dnl # Verify if get_disk_and_module() symbol is available.
-dnl #
-AC_DEFUN([ZFS_AC_KERNEL_SRC_GET_DISK_AND_MODULE], [
-	ZFS_LINUX_TEST_SRC([get_disk_and_module], [
-		#include <linux/genhd.h>
-	], [
-		struct gendisk *disk = NULL;
-		(void) get_disk_and_module(disk);
-	])
-])
-
-AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_AND_MODULE], [
-	AC_MSG_CHECKING([whether get_disk_and_module() is available])
-	ZFS_LINUX_TEST_RESULT_SYMBOL([get_disk_and_module],
-	    [get_disk_and_module], [block/genhd.c], [
-		AC_MSG_RESULT(yes)
-		AC_DEFINE(HAVE_GET_DISK_AND_MODULE,
-		    1, [get_disk_and_module() is available])
-	], [
-		AC_MSG_RESULT(no)
-	])
-])
diff --git a/config/kernel.m4 b/config/kernel.m4
index 03271411fbc6..fc7ae95dbcbd 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -61,7 +61,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
 	ZFS_AC_KERNEL_SRC_BIO
 	ZFS_AC_KERNEL_SRC_BLKDEV
 	ZFS_AC_KERNEL_SRC_BLK_QUEUE
-	ZFS_AC_KERNEL_SRC_GET_DISK_AND_MODULE
 	ZFS_AC_KERNEL_SRC_REVALIDATE_DISK
 	ZFS_AC_KERNEL_SRC_GET_DISK_RO
 	ZFS_AC_KERNEL_SRC_GENERIC_READLINK_GLOBAL
@@ -160,7 +159,6 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
 	ZFS_AC_KERNEL_BIO
 	ZFS_AC_KERNEL_BLKDEV
 	ZFS_AC_KERNEL_BLK_QUEUE
-	ZFS_AC_KERNEL_GET_DISK_AND_MODULE
 	ZFS_AC_KERNEL_REVALIDATE_DISK
 	ZFS_AC_KERNEL_GET_DISK_RO
 	ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL
diff --git a/include/os/linux/kernel/linux/blkdev_compat.h b/include/os/linux/kernel/linux/blkdev_compat.h
index e1270cb25d66..e41b248b0405 100644
--- a/include/os/linux/kernel/linux/blkdev_compat.h
+++ b/include/os/linux/kernel/linux/blkdev_compat.h
@@ -99,14 +99,6 @@ blk_queue_set_read_ahead(struct request_queue *q, unsigned long ra_pages)
 #endif
 }
 
-#if !defined(HAVE_GET_DISK_AND_MODULE)
-static inline struct kobject *
-get_disk_and_module(struct gendisk *disk)
-{
-	return (get_disk(disk));
-}
-#endif
-
 #ifdef HAVE_BIO_BVEC_ITER
 #define	BIO_BI_SECTOR(bio)	(bio)->bi_iter.bi_sector
 #define	BIO_BI_SIZE(bio)	(bio)->bi_iter.bi_size
diff --git a/module/os/linux/zfs/zvol_os.c b/module/os/linux/zfs/zvol_os.c
index 6f5ef12e74a6..cdc2076702af 100644
--- a/module/os/linux/zfs/zvol_os.c
+++ b/module/os/linux/zfs/zvol_os.c
@@ -708,46 +708,6 @@ zvol_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return (0);
 }
 
-/*
- * Find a zvol_state_t given the full major+minor dev_t. If found,
- * return with zv_state_lock taken, otherwise, return (NULL) without
- * taking zv_state_lock.
- */
-static zvol_state_t *
-zvol_find_by_dev(dev_t dev)
-{
-	zvol_state_t *zv;
-
-	rw_enter(&zvol_state_lock, RW_READER);
-	for (zv = list_head(&zvol_state_list); zv != NULL;
-	    zv = list_next(&zvol_state_list, zv)) {
-		mutex_enter(&zv->zv_state_lock);
-		if (zv->zv_zso->zvo_dev == dev) {
-			rw_exit(&zvol_state_lock);
-			return (zv);
-		}
-		mutex_exit(&zv->zv_state_lock);
-	}
-	rw_exit(&zvol_state_lock);
-
-	return (NULL);
-}
-
-static struct kobject *
-zvol_probe(dev_t dev, int *part, void *arg)
-{
-	zvol_state_t *zv;
-	struct kobject *kobj;
-
-	zv = zvol_find_by_dev(dev);
-	kobj = zv ? get_disk_and_module(zv->zv_zso->zvo_disk) : NULL;
-	ASSERT(zv == NULL || MUTEX_HELD(&zv->zv_state_lock));
-	if (zv)
-		mutex_exit(&zv->zv_state_lock);
-
-	return (kobj);
-}
-
 static struct block_device_operations zvol_ops = {
 	.open			= zvol_open,
 	.release		= zvol_release,
@@ -1100,9 +1060,6 @@ zvol_init(void)
 		return (-ENOMEM);
 	}
 	zvol_init_impl();
-	blk_register_region(MKDEV(zvol_major, 0), 1UL << MINORBITS,
-	    THIS_MODULE, zvol_probe, NULL, NULL);
-
 	ida_init(&zvol_ida);
 	zvol_register_ops(&zvol_linux_ops);
 	return (0);
@@ -1112,7 +1069,6 @@ void
 zvol_fini(void)
 {
 	zvol_fini_impl();
-	blk_unregister_region(MKDEV(zvol_major, 0), 1UL << MINORBITS);
 	unregister_blkdev(zvol_major, ZVOL_DRIVER);
 	taskq_destroy(zvol_taskq);
 	ida_destroy(&zvol_ida);