diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c
index 30a07105b35..95e741f754e 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_pool.c
@@ -48,7 +48,7 @@
 #include <sys/zil_impl.h>
 #include <sys/dsl_userhold.h>
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) && defined(_KERNEL)
 #include <sys/sysctl.h>
 #include <sys/types.h>
 #endif
@@ -132,7 +132,7 @@ int zfs_delay_min_dirty_percent = 60;
 uint64_t zfs_delay_scale = 1000 * 1000 * 1000 / 2000;
 
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) && defined(_KERNEL)
 
 extern int zfs_vdev_async_write_active_max_dirty_percent;