diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_mirror.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_mirror.c
index 94133a47272..b610d69c9ac 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_mirror.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_mirror.c
@@ -58,9 +58,11 @@ typedef struct mirror_map {
 
 static int vdev_mirror_shift = 21;
 
+#ifdef _KERNEL
 SYSCTL_DECL(_vfs_zfs_vdev);
 static SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, mirror, CTLFLAG_RD, 0,
     "ZFS VDEV Mirror");
+#endif
 
 /*
  * The load configuration settings below are tuned by default for
@@ -74,28 +76,38 @@ static SYSCTL_NODE(_vfs_zfs_vdev, OID_AUTO, mirror, CTLFLAG_RD, 0,
 
 /* Rotating media load calculation configuration. */
 static int rotating_inc = 0;
+#ifdef _KERNEL
 SYSCTL_INT(_vfs_zfs_vdev_mirror, OID_AUTO, rotating_inc, CTLFLAG_RWTUN,
     &rotating_inc, 0, "Rotating media load increment for non-seeking I/O's");
+#endif
 
 static int rotating_seek_inc = 5;
+#ifdef _KERNEL
 SYSCTL_INT(_vfs_zfs_vdev_mirror, OID_AUTO, rotating_seek_inc, CTLFLAG_RWTUN,
     &rotating_seek_inc, 0, "Rotating media load increment for seeking I/O's");
+#endif
 
 static int rotating_seek_offset = 1 * 1024 * 1024;
+#ifdef _KERNEL
 SYSCTL_INT(_vfs_zfs_vdev_mirror, OID_AUTO, rotating_seek_offset, CTLFLAG_RWTUN,
     &rotating_seek_offset, 0, "Offset in bytes from the last I/O which "
     "triggers a reduced rotating media seek increment");
+#endif
 
 /* Non-rotating media load calculation configuration. */
 static int non_rotating_inc = 0;
+#ifdef _KERNEL
 SYSCTL_INT(_vfs_zfs_vdev_mirror, OID_AUTO, non_rotating_inc, CTLFLAG_RWTUN,
     &non_rotating_inc, 0,
     "Non-rotating media load increment for non-seeking I/O's");
+#endif
 
 static int non_rotating_seek_inc = 1;
+#ifdef _KERNEL
 SYSCTL_INT(_vfs_zfs_vdev_mirror, OID_AUTO, non_rotating_seek_inc, CTLFLAG_RWTUN,
     &non_rotating_seek_inc, 0,
     "Non-rotating media load increment for seeking I/O's");
+#endif
 
 
 static inline size_t
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c
index 112d698079f..c402ae97308 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_queue.c
@@ -176,6 +176,7 @@ int zfs_vdev_read_gap_limit = 32 << 10;
 int zfs_vdev_write_gap_limit = 4 << 10;
 
 #ifdef __FreeBSD__
+#ifdef _KERNEL
 SYSCTL_DECL(_vfs_zfs_vdev);
 
 static int sysctl_zfs_async_write_active_min_dirty_percent(SYSCTL_HANDLER_ARGS);
@@ -271,6 +272,7 @@ sysctl_zfs_async_write_active_max_dirty_percent(SYSCTL_HANDLER_ARGS)
 	return (0);
 }
 #endif
+#endif
 
 int
 vdev_queue_offset_compare(const void *x1, const void *x2)