diff --git a/cmd/zfs/zfs_main.c b/cmd/zfs/zfs_main.c
index 9d4bfc3cff..d3228e2269 100644
--- a/cmd/zfs/zfs_main.c
+++ b/cmd/zfs/zfs_main.c
@@ -817,7 +817,9 @@ out:
 static int
 destroy_callback(zfs_handle_t *zhp, void *data)
 {
+#ifdef HAVE_ZPL
 	destroy_cbdata_t *cbp = data;
+#endif
 
 	/*
 	 * Ignore pools (which we've already flagged as an error before getting
@@ -4152,7 +4154,9 @@ main(int argc, char **argv)
 {
 	int ret;
 	int i;
+#ifdef HAVE_ZPL
 	char *progname;
+#endif
 	char *cmdname;
 
 	(void) setlocale(LC_ALL, "");
diff --git a/cmd/zpool/zpool_main.c b/cmd/zpool/zpool_main.c
index 92ee1872ae..ec898bee1b 100644
--- a/cmd/zpool/zpool_main.c
+++ b/cmd/zpool/zpool_main.c
@@ -697,7 +697,9 @@ zpool_do_create(int argc, char **argv)
 	    (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 &&
 	    strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) {
 		char buf[MAXPATHLEN];
+#ifdef HAVE_ZPL
 		DIR *dirp;
+#endif
 
 		if (mountpoint && mountpoint[0] != '/') {
 			(void) fprintf(stderr, gettext("invalid mountpoint "
diff --git a/module/zfs/zfs_ioctl.c b/module/zfs/zfs_ioctl.c
index 0f62e7dff5..e0f4930b90 100644
--- a/module/zfs/zfs_ioctl.c
+++ b/module/zfs/zfs_ioctl.c
@@ -616,6 +616,7 @@ zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr)
 	return (error);
 }
 
+#ifdef HAVE_ZPL
 static int
 zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr)
 {
@@ -627,6 +628,7 @@ zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr)
 	}
 	return (error);
 }
+#endif /* HAVE_ZPL */
 
 /*
  * Policy for pool operations - create/destroy pools, add vdevs, etc.  Requires
@@ -1883,6 +1885,7 @@ zfs_ioc_remove_minor(zfs_cmd_t *zc)
 #endif /* HAVE_ZVOL */
 }
 
+#ifdef HAVE_ZPL
 /*
  * Search the vfs list for a specified resource.  Returns a pointer to it
  * or NULL if no suitable entry is found. The caller of this routine
@@ -1891,7 +1894,6 @@ zfs_ioc_remove_minor(zfs_cmd_t *zc)
 static vfs_t *
 zfs_get_vfs(const char *resource)
 {
-#ifdef HAVE_ZPL
 	struct vfs *vfsp;
 	struct vfs *vfs_found = NULL;
 
@@ -1907,10 +1909,8 @@ zfs_get_vfs(const char *resource)
 	} while (vfsp != rootvfs);
 	vfs_list_unlock();
 	return (vfs_found);
-#else
-	return NULL;
-#endif /* HAVE_ZPL */
 }
+#endif /* HAVE_ZPL */
 
 /* ARGSUSED */
 static void
diff --git a/module/zfs/zio.c b/module/zfs/zio.c
index 3ffbccecb2..18ebb64152 100644
--- a/module/zfs/zio.c
+++ b/module/zfs/zio.c
@@ -1434,10 +1434,9 @@ zio_gang_tree_assemble_done(zio_t *zio)
 	zio_t *lio = zio->io_logical;
 	zio_gang_node_t *gn = zio->io_private;
 	blkptr_t *bp = zio->io_bp;
-	zio_t *pio = zio_unique_parent(zio);
 	int g;
 
-	ASSERT(pio == lio);
+	ASSERT(zio_unique_parent(zio) == lio);
 	ASSERT(zio_walk_children(zio) == NULL);
 
 	if (zio->io_error)