diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c
index 867b72f2d..2179c03d7 100644
--- a/lib/libzfs/libzfs_pool.c
+++ b/lib/libzfs/libzfs_pool.c
@@ -5358,7 +5358,6 @@ zpool_set_vdev_prop(zpool_handle_t *zhp, const char *vdevname,
     const char *propname, const char *propval)
 {
 	int ret;
-	vdev_prop_t vprop;
 	nvlist_t *nvl = NULL;
 	nvlist_t *outnvl = NULL;
 	nvlist_t *props;
@@ -5370,8 +5369,6 @@ zpool_set_vdev_prop(zpool_handle_t *zhp, const char *vdevname,
 	if ((ret = zpool_vdev_guid(zhp, vdevname, &vdev_guid)) != 0)
 		return (ret);
 
-	vprop = vdev_name_to_prop(propname);
-
 	if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
 		return (no_memory(zhp->zpool_hdl));
 	if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)