diff --git a/module/zfs/zfs_ioctl.c b/module/zfs/zfs_ioctl.c
index ba695ddbeb..61bc4b82b1 100644
--- a/module/zfs/zfs_ioctl.c
+++ b/module/zfs/zfs_ioctl.c
@@ -6028,13 +6028,9 @@ zfs_attach(void)
 static void
 zfs_detach(void)
 {
-	int error;
 	zfsdev_state_t *zs, *zsprev = NULL;
 
-	error = misc_deregister(&zfs_misc);
-	if (error != 0)
-		printk(KERN_INFO "ZFS: misc_deregister() failed %d\n", error);
-
+	misc_deregister(&zfs_misc);
 	mutex_destroy(&zfsdev_state_lock);
 
 	for (zs = zfsdev_state_list; zs != NULL; zs = zs->zs_next) {
diff --git a/module/zpios/pios.c b/module/zpios/pios.c
index 8e5077da51..e3a85c1686 100644
--- a/module/zpios/pios.c
+++ b/module/zpios/pios.c
@@ -1310,11 +1310,7 @@ zpios_init(void)
 static void __exit
 zpios_fini(void)
 {
-	int error;
-
-	error = misc_deregister(&zpios_misc);
-	if (error)
-		printk(KERN_INFO "ZPIOS: misc_deregister() failed %d\n", error);
+	misc_deregister(&zpios_misc);
 
 	printk(KERN_INFO "ZPIOS: Unloaded module v%s-%s%s\n",
 	    ZFS_META_VERSION, ZFS_META_RELEASE, ZFS_DEBUG_STR);